[gstreamermm] tests: fix indentatinos



commit 11790583ce92f56984699d9061e3a2ce9a21fae6
Author: Marcin Kolny <marcin kolny gmail com>
Date:   Sat Aug 22 15:49:44 2015 +0000

    tests: fix indentatinos
    
        * tests/main.cc:
        * tests/plugins/derivedfromappsink.h:
        * tests/plugins/derivedfromappsrc.h:
        * tests/plugins/derivedfrombasetransform.h:
        * tests/plugins/foo.h:
        * tests/plugins/test-plugin-appsink.cc:
        * tests/plugins/test-plugin-appsrc.cc:
        * tests/plugins/test-plugin-derivedfromappsink.cc:
        * tests/plugins/test-plugin-derivedfromappsrc.cc:
        * tests/plugins/test-plugin-derivedfrombasetransform.cc:
        * tests/plugins/test-plugin-pushsrc.cc:
        * tests/plugins/test-plugin-register.cc:
        * tests/regression/pluginbin.h:
        * tests/regression/test-regression-bininpipeline.cc:
        * tests/regression/test-regression-binplugin.cc:
        * tests/regression/test-regression-rewritefile.cc:
        * tests/regression/test-regression-seekonstartup.cc:
        * tests/regression/test-regression-videoduration.cc:
        * tests/regression/utils.cc:
        * tests/test-allocator.cc:
        * tests/test-atomicqueue.cc:
        * tests/test-buffer.cc:
        * tests/test-bus.cc:
        * tests/test-caps.cc:
        * tests/test-capsfeatures.cc:
        * tests/test-ghostpad.cc:
        * tests/test-pad.cc:
        * tests/test-query.cc:
        * tests/test-structure.cc:
        * tests/test-taglist.cc:
        * tests/test-urihandler.cc: use the same indentations in test files.

 tests/main.cc                                      |    6 +-
 tests/plugins/derivedfromappsink.h                 |   28 ++--
 tests/plugins/derivedfromappsrc.h                  |   28 ++--
 tests/plugins/derivedfrombasetransform.h           |   34 ++--
 tests/plugins/foo.h                                |   74 +++++-----
 tests/plugins/test-plugin-appsink.cc               |  146 +++++++++---------
 tests/plugins/test-plugin-appsrc.cc                |  146 +++++++++---------
 tests/plugins/test-plugin-derivedfromappsink.cc    |  162 ++++++++++----------
 tests/plugins/test-plugin-derivedfromappsrc.cc     |  163 ++++++++++----------
 .../test-plugin-derivedfrombasetransform.cc        |  156 ++++++++++----------
 tests/plugins/test-plugin-pushsrc.cc               |  126 ++++++++--------
 tests/plugins/test-plugin-register.cc              |  120 +++++++-------
 tests/regression/pluginbin.h                       |   81 +++++-----
 tests/regression/test-regression-bininpipeline.cc  |  122 +++++++--------
 tests/regression/test-regression-binplugin.cc      |   82 +++++-----
 tests/regression/test-regression-rewritefile.cc    |   72 ++++-----
 tests/regression/test-regression-seekonstartup.cc  |  157 +++++++++----------
 tests/regression/test-regression-videoduration.cc  |   98 ++++++------
 tests/regression/utils.cc                          |   67 ++++----
 tests/test-allocator.cc                            |   50 +++---
 tests/test-atomicqueue.cc                          |   58 ++++----
 tests/test-buffer.cc                               |   26 ++--
 tests/test-bus.cc                                  |   56 ++++----
 tests/test-caps.cc                                 |  144 +++++++++---------
 tests/test-capsfeatures.cc                         |   14 +-
 tests/test-ghostpad.cc                             |   26 ++--
 tests/test-pad.cc                                  |   50 +++---
 tests/test-query.cc                                |   44 +++---
 tests/test-structure.cc                            |   62 ++++----
 tests/test-taglist.cc                              |   63 ++++----
 tests/test-urihandler.cc                           |   85 +++++-----
 31 files changed, 1259 insertions(+), 1287 deletions(-)
---
diff --git a/tests/main.cc b/tests/main.cc
index 6b5b5ef..0528a63 100644
--- a/tests/main.cc
+++ b/tests/main.cc
@@ -3,8 +3,8 @@
 
 int main(int argc, char** argv)
 {
-    ::testing::InitGoogleTest(&argc, argv);
-    Gst::init(argc, argv);
+  ::testing::InitGoogleTest(&argc, argv);
+  Gst::init(argc, argv);
 
-    return RUN_ALL_TESTS();
+  return RUN_ALL_TESTS();
 }
diff --git a/tests/plugins/derivedfromappsink.h b/tests/plugins/derivedfromappsink.h
index 0941cdd..178adc6 100644
--- a/tests/plugins/derivedfromappsink.h
+++ b/tests/plugins/derivedfromappsink.h
@@ -9,22 +9,22 @@
 class DerivedFromAppSink : public Gst::AppSink
 {
 public:
-    static void base_init(Gst::ElementClass<DerivedFromAppSink> *klass)
-    {
-        klass->set_metadata("derivedfromappsink_longname",
-                "derivedfromappsink_classification", "derivedfromappsink_detail_description", 
"derivedfromappsink_detail_author");
-    }
+  static void base_init(Gst::ElementClass<DerivedFromAppSink> *klass)
+  {
+    klass->set_metadata("derivedfromappsink_longname",
+            "derivedfromappsink_classification", "derivedfromappsink_detail_description", 
"derivedfromappsink_detail_author");
+  }
 
-    explicit DerivedFromAppSink(GstAppSink *gobj)
-        : Glib::ObjectBase(typeid (DerivedFromAppSink)), // type must be registered before use
-          Gst::AppSink(gobj)
-    {
-    }
+  explicit DerivedFromAppSink(GstAppSink *gobj)
+  : Glib::ObjectBase(typeid (DerivedFromAppSink)), // type must be registered before use
+    Gst::AppSink(gobj)
+  {
+  }
 
-    static bool register_element(Glib::RefPtr<Gst::Plugin> plugin)
-    {
-        return Gst::ElementFactory::register_element(plugin, "derivedfromappsink", 10, 
Gst::register_mm_type<DerivedFromAppSink>("derivedfromappsink"));
-    }
+  static bool register_element(Glib::RefPtr<Gst::Plugin> plugin)
+  {
+    return Gst::ElementFactory::register_element(plugin, "derivedfromappsink", 10, 
Gst::register_mm_type<DerivedFromAppSink>("derivedfromappsink"));
+  }
 };
 
 #endif /* TEST_DERIVEDFROMAPPSINK_H_ */
diff --git a/tests/plugins/derivedfromappsrc.h b/tests/plugins/derivedfromappsrc.h
index aca87ad..d76f9b4 100644
--- a/tests/plugins/derivedfromappsrc.h
+++ b/tests/plugins/derivedfromappsrc.h
@@ -9,22 +9,22 @@
 class DerivedFromAppSrc : public Gst::AppSrc
 {
 public:
-    static void base_init(Gst::ElementClass<DerivedFromAppSrc> *klass)
-    {
-        klass->set_metadata("derivedfromappsrc_longname",
-                "derivedfromappsrc_classification", "derivedfromappsrc_detail_description", 
"derivedfromappsrc_detail_author");
-    }
+  static void base_init(Gst::ElementClass<DerivedFromAppSrc> *klass)
+  {
+    klass->set_metadata("derivedfromappsrc_longname",
+          "derivedfromappsrc_classification", "derivedfromappsrc_detail_description", 
"derivedfromappsrc_detail_author");
+  }
 
-    explicit DerivedFromAppSrc(GstAppSrc *gobj)
-        : Glib::ObjectBase(typeid (DerivedFromAppSrc)), // type must be registered before use
-          Gst::AppSrc(gobj)
-    {
-    }
+  explicit DerivedFromAppSrc(GstAppSrc *gobj)
+  : Glib::ObjectBase(typeid (DerivedFromAppSrc)), // type must be registered before use
+    Gst::AppSrc(gobj)
+  {
+  }
 
-    static bool register_element(Glib::RefPtr<Gst::Plugin> plugin)
-    {
-        return Gst::ElementFactory::register_element(plugin, "derivedfromappsrc", 10, 
Gst::register_mm_type<DerivedFromAppSrc>("derivedfromappsrc"));
-    }
+  static bool register_element(Glib::RefPtr<Gst::Plugin> plugin)
+  {
+    return Gst::ElementFactory::register_element(plugin, "derivedfromappsrc", 10, 
Gst::register_mm_type<DerivedFromAppSrc>("derivedfromappsrc"));
+  }
 };
 
 #endif /* TESTS_PLUGINS_DERIVEDFROMAPPSRC_H_ */
diff --git a/tests/plugins/derivedfrombasetransform.h b/tests/plugins/derivedfrombasetransform.h
index 82eb8f5..9319f7b 100644
--- a/tests/plugins/derivedfrombasetransform.h
+++ b/tests/plugins/derivedfrombasetransform.h
@@ -8,26 +8,26 @@
 class DerivedFromBaseTransform : public Gst::BaseTransform
 {
 public:
-    static void base_init(Gst::ElementClass<DerivedFromBaseTransform> *klass)
-    {
-        klass->set_metadata("derivedfrombasetransform_longname",
-                "derivedfrombasetransform_classification", "derivedfrombasetransform_detail_description", 
"derivedfrombasetransform_detail_author");
+  static void base_init(Gst::ElementClass<DerivedFromBaseTransform> *klass)
+  {
+    klass->set_metadata("derivedfrombasetransform_longname",
+          "derivedfrombasetransform_classification", "derivedfrombasetransform_detail_description", 
"derivedfrombasetransform_detail_author");
 
-        klass->add_pad_template(Gst::PadTemplate::create("sink", Gst::PAD_SINK, Gst::PAD_ALWAYS, 
Gst::Caps::create_any()));
-        klass->add_pad_template(Gst::PadTemplate::create("src", Gst::PAD_SRC, Gst::PAD_ALWAYS, 
Gst::Caps::create_any()));
-    }
+    klass->add_pad_template(Gst::PadTemplate::create("sink", Gst::PAD_SINK, Gst::PAD_ALWAYS, 
Gst::Caps::create_any()));
+    klass->add_pad_template(Gst::PadTemplate::create("src", Gst::PAD_SRC, Gst::PAD_ALWAYS, 
Gst::Caps::create_any()));
+  }
 
-    explicit DerivedFromBaseTransform(GstBaseTransform *gobj)
-        : Glib::ObjectBase(typeid (DerivedFromBaseTransform)), // type must be registered before use
-          Gst::BaseTransform(gobj)
-    {
-        set_passthrough(true);
-    }
+  explicit DerivedFromBaseTransform(GstBaseTransform *gobj)
+  : Glib::ObjectBase(typeid (DerivedFromBaseTransform)), // type must be registered before use
+    Gst::BaseTransform(gobj)
+  {
+    set_passthrough(true);
+  }
 
-    static bool register_element(Glib::RefPtr<Gst::Plugin> plugin)
-    {
-        return Gst::ElementFactory::register_element(plugin, "derivedfrombasetransform", 10, 
Gst::register_mm_type<DerivedFromBaseTransform>("derivedfrombasetransform"));
-    }
+  static bool register_element(Glib::RefPtr<Gst::Plugin> plugin)
+  {
+    return Gst::ElementFactory::register_element(plugin, "derivedfrombasetransform", 10, 
Gst::register_mm_type<DerivedFromBaseTransform>("derivedfrombasetransform"));
+  }
 };
 
 #endif /* TESTS_PLUGINS_DERIVEDFROMBASETRANSFORM_H_ */
diff --git a/tests/plugins/foo.h b/tests/plugins/foo.h
index 250cba5..b83f124 100644
--- a/tests/plugins/foo.h
+++ b/tests/plugins/foo.h
@@ -14,51 +14,51 @@
 
 class Foo : public Gst::Element
 {
-    Glib::RefPtr<Gst::Pad> sinkpad;
-    Glib::RefPtr<Gst::Pad> srcpad;
-    Glib::Property<Glib::ustring> sample_property;
+  Glib::RefPtr<Gst::Pad> sinkpad;
+  Glib::RefPtr<Gst::Pad> srcpad;
+  Glib::Property<Glib::ustring> sample_property;
 
 public:
-    static void base_init(Gst::ElementClass<Foo> *klass)
-    {
-        klass->set_metadata("foo_longname",
-                "foo_classification", "foo_detail_description", "foo_detail_author");
+  static void base_init(Gst::ElementClass<Foo> *klass)
+  {
+    klass->set_metadata("foo_longname",
+          "foo_classification", "foo_detail_description", "foo_detail_author");
 
-        klass->add_pad_template(Gst::PadTemplate::create("sink", Gst::PAD_SINK, Gst::PAD_ALWAYS,
-                        Gst::Caps::create_any()));
-        klass->add_pad_template(Gst::PadTemplate::create("src", Gst::PAD_SRC, Gst::PAD_ALWAYS,
-                        Gst::Caps::create_any()));
-    }
+    klass->add_pad_template(Gst::PadTemplate::create("sink", Gst::PAD_SINK, Gst::PAD_ALWAYS,
+        Gst::Caps::create_any()));
+    klass->add_pad_template(Gst::PadTemplate::create("src", Gst::PAD_SRC, Gst::PAD_ALWAYS,
+        Gst::Caps::create_any()));
+  }
 
-    Gst::FlowReturn chain(const Glib::RefPtr<Gst::Pad> & /* pad */, Glib::RefPtr<Gst::Buffer> &buf)
-    {
-        buf = buf->create_writable();
-        assert(buf->gobj()->mini_object.refcount==1);
-        Glib::RefPtr<Gst::MapInfo> mapinfo(new Gst::MapInfo());
-        buf->map(mapinfo, Gst::MAP_WRITE);
-        std::sort(mapinfo->get_data(), mapinfo->get_data() + mapinfo->get_size());
-        buf->unmap(mapinfo);
-        assert(buf->gobj()->mini_object.refcount==1);
-        return srcpad->push(std::move(buf));
-    }
+  Gst::FlowReturn chain(const Glib::RefPtr<Gst::Pad> & /* pad */, Glib::RefPtr<Gst::Buffer> &buf)
+  {
+    buf = buf->create_writable();
+    assert(buf->gobj()->mini_object.refcount==1);
+    Glib::RefPtr<Gst::MapInfo> mapinfo(new Gst::MapInfo());
+    buf->map(mapinfo, Gst::MAP_WRITE);
+    std::sort(mapinfo->get_data(), mapinfo->get_data() + mapinfo->get_size());
+    buf->unmap(mapinfo);
+    assert(buf->gobj()->mini_object.refcount==1);
+    return srcpad->push(std::move(buf));
+  }
 
-    explicit Foo(GstElement *gobj)
-        : Glib::ObjectBase(typeid (Foo)), // type must be registered before use
-          Gst::Element(gobj),
-          sample_property(*this, "sample_property", "def_val")
+  explicit Foo(GstElement *gobj)
+  : Glib::ObjectBase(typeid (Foo)), // type must be registered before use
+    Gst::Element(gobj),
+    sample_property(*this, "sample_property", "def_val")
 
-    {
-        add_pad(sinkpad = Gst::Pad::create(get_pad_template("sink"), "sink"));
-        add_pad(srcpad = Gst::Pad::create(get_pad_template("src"), "src"));
-        sinkpad->set_chain_function(sigc::mem_fun(*this, &Foo::chain));
-    }
+  {
+    add_pad(sinkpad = Gst::Pad::create(get_pad_template("sink"), "sink"));
+    add_pad(srcpad = Gst::Pad::create(get_pad_template("src"), "src"));
+    sinkpad->set_chain_function(sigc::mem_fun(*this, &Foo::chain));
+  }
 
-    static bool register_foo(Glib::RefPtr<Gst::Plugin> plugin)
-    {
-        Gst::ElementFactory::register_element(plugin, "foomm", 10, Gst::register_mm_type<Foo>("foo"));
+  static bool register_foo(Glib::RefPtr<Gst::Plugin> plugin)
+  {
+    Gst::ElementFactory::register_element(plugin, "foomm", 10, Gst::register_mm_type<Foo>("foo"));
 
-        return true;
-    }
+    return true;
+  }
 };
 
 #endif /* TESTS_PLUGINS_FOO_H_ */
diff --git a/tests/plugins/test-plugin-appsink.cc b/tests/plugins/test-plugin-appsink.cc
index eb0c0dc..50ec37b 100644
--- a/tests/plugins/test-plugin-appsink.cc
+++ b/tests/plugins/test-plugin-appsink.cc
@@ -16,107 +16,107 @@ using Glib::RefPtr;
 class AppSinkPluginTest : public ::testing::Test
 {
 protected:
-    RefPtr<Element> source;
-    RefPtr<Element> sink;
-    RefPtr<Pipeline> pipeline;
+  RefPtr<Element> source;
+  RefPtr<Element> sink;
+  RefPtr<Pipeline> pipeline;
 
-    void CreatePipelineWithElements()
-    {
-        pipeline = Gst::Pipeline::create();
+  void CreatePipelineWithElements()
+  {
+    pipeline = Gst::Pipeline::create();
 
-        sink = ElementFactory::create_element("appsink", "sink");
-        source = ElementFactory::create_element("appsrc", "source");
+    sink = ElementFactory::create_element("appsink", "sink");
+    source = ElementFactory::create_element("appsrc", "source");
 
-        ASSERT_TRUE(sink);
-        ASSERT_TRUE(source);
+    ASSERT_TRUE(sink);
+    ASSERT_TRUE(source);
 
-        ASSERT_NO_THROW(pipeline->add(source)->add(sink));
-        ASSERT_NO_THROW(source->link(sink));
-    }
+    ASSERT_NO_THROW(pipeline->add(source)->add(sink));
+    ASSERT_NO_THROW(source->link(sink));
+  }
 };
 
 TEST_F(AppSinkPluginTest, CorrectCreatedAppSinkElement)
 {
-    RefPtr<AppSink> source = AppSink::create("sink");
-    ASSERT_TRUE(source);
+  RefPtr<AppSink> source = AppSink::create("sink");
+  ASSERT_TRUE(source);
 
-    RefPtr<Element> source_element = ElementFactory::create_element("appsink", "source");
-    ASSERT_TRUE(source_element);
+  RefPtr<Element> source_element = ElementFactory::create_element("appsink", "source");
+  ASSERT_TRUE(source_element);
 
-    source = source.cast_dynamic(source_element);
-    ASSERT_TRUE(source);
+  source = source.cast_dynamic(source_element);
+  ASSERT_TRUE(source);
 }
 
 TEST_F(AppSinkPluginTest, CreatePipelineWithAppsink)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 }
 
 TEST_F(AppSinkPluginTest, SinkPadQueryCapsShouldReturnProperCapsObjects)
 {
-    CreatePipelineWithElements();
-
-    RefPtr<BaseSink> basesink;
-    basesink = basesink.cast_dynamic(sink);
-    ASSERT_TRUE(basesink);
-
-    RefPtr<Pad> sink_pad = basesink->get_sink_pad();
-    ASSERT_TRUE(sink_pad);
-    ASSERT_TRUE(GST_IS_PAD(sink_pad->gobj()));
-    RefPtr<Caps> caps = sink_pad->query_caps(Caps::create_any());
-    ASSERT_TRUE(caps);
-    ASSERT_TRUE(caps->gobj());
-    ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
-    RefPtr<Caps> template_caps = Glib::wrap(gst_pad_get_pad_template_caps(sink_pad->gobj()), false);
-
-    sink_pad.reset();
-    basesink.reset();
-    sink.reset();
-    pipeline.reset();
-
-    // query_caps may return just another ref to template_caps
-    if (caps == template_caps)
-    {
-        // ...but template_caps might be just another ref to static caps with some higher unknown refcount
-        //EXPECT_EQ(2, caps->get_refcount());
-    }
-    else
-    {
-        EXPECT_EQ(1, caps->get_refcount());
-    }
+  CreatePipelineWithElements();
+
+  RefPtr<BaseSink> basesink;
+  basesink = basesink.cast_dynamic(sink);
+  ASSERT_TRUE(basesink);
+
+  RefPtr<Pad> sink_pad = basesink->get_sink_pad();
+  ASSERT_TRUE(sink_pad);
+  ASSERT_TRUE(GST_IS_PAD(sink_pad->gobj()));
+  RefPtr<Caps> caps = sink_pad->query_caps(Caps::create_any());
+  ASSERT_TRUE(caps);
+  ASSERT_TRUE(caps->gobj());
+  ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
+  RefPtr<Caps> template_caps = Glib::wrap(gst_pad_get_pad_template_caps(sink_pad->gobj()), false);
+
+  sink_pad.reset();
+  basesink.reset();
+  sink.reset();
+  pipeline.reset();
+
+  // query_caps may return just another ref to template_caps
+  if (caps == template_caps)
+  {
+    // ...but template_caps might be just another ref to static caps with some higher unknown refcount
+    //EXPECT_EQ(2, caps->get_refcount());
+  }
+  else
+  {
+    EXPECT_EQ(1, caps->get_refcount());
+  }
 }
 
 TEST_F(AppSinkPluginTest, UseAppSinkDuringDataFlowInPipeline)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 
-    RefPtr<AppSink> appsink = appsink.cast_static(sink);
-    RefPtr<AppSrc> appsrc = appsrc.cast_static(source);
+  RefPtr<AppSink> appsink = appsink.cast_static(sink);
+  RefPtr<AppSrc> appsrc = appsrc.cast_static(source);
 
-    EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
+  EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
 
-    std::string data = "hello world";
-    RefPtr<Buffer> buf = Buffer::create(data.length() + 1);
-    ASSERT_TRUE(buf);
-    RefPtr<MapInfo> map_info(new MapInfo());
-    ASSERT_TRUE(buf->map(map_info, MAP_WRITE));
-    strcpy((char *)map_info->get_data(), data.c_str());
-    buf->unmap(map_info);
+  std::string data = "hello world";
+  RefPtr<Buffer> buf = Buffer::create(data.length() + 1);
+  ASSERT_TRUE(buf);
+  RefPtr<MapInfo> map_info(new MapInfo());
+  ASSERT_TRUE(buf->map(map_info, MAP_WRITE));
+  strcpy((char *)map_info->get_data(), data.c_str());
+  buf->unmap(map_info);
 
-    EXPECT_EQ(FLOW_OK, appsrc->push_buffer(buf));
+  EXPECT_EQ(FLOW_OK, appsrc->push_buffer(buf));
 
-    RefPtr<Buffer> buf_out;
-    RefPtr<Sample> sample = appsink->pull_sample();
-    ASSERT_TRUE(sample);
-    buf_out = sample->get_buffer();
-    ASSERT_TRUE(buf_out);
+  RefPtr<Buffer> buf_out;
+  RefPtr<Sample> sample = appsink->pull_sample();
+  ASSERT_TRUE(sample);
+  buf_out = sample->get_buffer();
+  ASSERT_TRUE(buf_out);
 
-    EXPECT_TRUE(buf_out->memcmp(0, data.c_str(), data.length()) == 0);
+  EXPECT_TRUE(buf_out->memcmp(0, data.c_str(), data.length()) == 0);
 
-    EXPECT_EQ(FLOW_OK, appsrc->end_of_stream());
+  EXPECT_EQ(FLOW_OK, appsrc->end_of_stream());
 
-    RefPtr<Message> msg = pipeline->get_bus()->poll((MessageType)(MESSAGE_EOS | MESSAGE_ERROR) , 1*SECOND);
-    ASSERT_TRUE(msg);
-    EXPECT_EQ(MESSAGE_EOS, msg->get_message_type());
-    EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(STATE_NULL));
+  RefPtr<Message> msg = pipeline->get_bus()->poll((MessageType)(MESSAGE_EOS | MESSAGE_ERROR) , 1*SECOND);
+  ASSERT_TRUE(msg);
+  EXPECT_EQ(MESSAGE_EOS, msg->get_message_type());
+  EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(STATE_NULL));
 }
diff --git a/tests/plugins/test-plugin-appsrc.cc b/tests/plugins/test-plugin-appsrc.cc
index b12e3e7..82f8294 100644
--- a/tests/plugins/test-plugin-appsrc.cc
+++ b/tests/plugins/test-plugin-appsrc.cc
@@ -15,106 +15,106 @@ using Glib::RefPtr;
 class AppSrcPluginTest : public ::testing::Test
 {
 protected:
-    RefPtr<Element> source;
-    RefPtr<Element> sink;
-    RefPtr<Pipeline> pipeline;
+  RefPtr<Element> source;
+  RefPtr<Element> sink;
+  RefPtr<Pipeline> pipeline;
 
-    void CreatePipelineWithElements()
-    {
-        pipeline = Gst::Pipeline::create();
+  void CreatePipelineWithElements()
+  {
+    pipeline = Gst::Pipeline::create();
 
-        sink = ElementFactory::create_element("fakesink", "sink");
-        source = ElementFactory::create_element("appsrc", "source");
+    sink = ElementFactory::create_element("fakesink", "sink");
+    source = ElementFactory::create_element("appsrc", "source");
 
-        ASSERT_TRUE(sink);
-        ASSERT_TRUE(source);
+    ASSERT_TRUE(sink);
+    ASSERT_TRUE(source);
 
-        ASSERT_NO_THROW(pipeline->add(source)->add(sink));
-        ASSERT_NO_THROW(source->link(sink));
-    }
+    ASSERT_NO_THROW(pipeline->add(source)->add(sink));
+    ASSERT_NO_THROW(source->link(sink));
+  }
 };
 
 TEST_F(AppSrcPluginTest, CorrectCreatedAppSrcElement)
 {
-    RefPtr<AppSrc> source = AppSrc::create("source");
-    ASSERT_TRUE(source);
+  RefPtr<AppSrc> source = AppSrc::create("source");
+  ASSERT_TRUE(source);
 
-    RefPtr<Element> source_element = ElementFactory::create_element("appsrc", "source");
-    ASSERT_TRUE(source_element);
+  RefPtr<Element> source_element = ElementFactory::create_element("appsrc", "source");
+  ASSERT_TRUE(source_element);
 
-    source = source.cast_dynamic(source_element);
-    ASSERT_TRUE(source);
+  source = source.cast_dynamic(source_element);
+  ASSERT_TRUE(source);
 }
 
 TEST_F(AppSrcPluginTest, CreatePipelineWithAppSrcElement)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 }
 
 TEST_F(AppSrcPluginTest, SrcPadQueryCapsShouldReturnProperCapsObjects)
 {
-    CreatePipelineWithElements();
-
-    RefPtr<BaseSrc> basesrc;
-    basesrc = basesrc.cast_dynamic(source);
-    ASSERT_TRUE(basesrc);
-
-    RefPtr<Pad> src_pad = basesrc->get_src_pad();
-    ASSERT_TRUE(src_pad);
-    ASSERT_TRUE(GST_IS_PAD(src_pad->gobj()));
-    RefPtr<Caps> caps = src_pad->query_caps(Caps::create_any());
-    ASSERT_TRUE(caps);
-    ASSERT_TRUE(caps->gobj());
-    ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
-    RefPtr<Caps> template_caps = Glib::wrap(gst_pad_get_pad_template_caps(src_pad->gobj()), false);
-
-    src_pad.reset();
-    basesrc.reset();
-    sink.reset();
-    pipeline.reset();
-
-    // query_caps may return just another ref to template_caps
-    if (caps == template_caps)
-    {
-        // ...but template_caps might be just another ref to static caps with some higher unknown refcount
-        //EXPECT_EQ(2, caps->get_refcount());
-    }
-    else
-    {
-        EXPECT_EQ(1, caps->get_refcount());
-    }
+  CreatePipelineWithElements();
+
+  RefPtr<BaseSrc> basesrc;
+  basesrc = basesrc.cast_dynamic(source);
+  ASSERT_TRUE(basesrc);
+
+  RefPtr<Pad> src_pad = basesrc->get_src_pad();
+  ASSERT_TRUE(src_pad);
+  ASSERT_TRUE(GST_IS_PAD(src_pad->gobj()));
+  RefPtr<Caps> caps = src_pad->query_caps(Caps::create_any());
+  ASSERT_TRUE(caps);
+  ASSERT_TRUE(caps->gobj());
+  ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
+  RefPtr<Caps> template_caps = Glib::wrap(gst_pad_get_pad_template_caps(src_pad->gobj()), false);
+
+  src_pad.reset();
+  basesrc.reset();
+  sink.reset();
+  pipeline.reset();
+
+  // query_caps may return just another ref to template_caps
+  if (caps == template_caps)
+  {
+    // ...but template_caps might be just another ref to static caps with some higher unknown refcount
+    //EXPECT_EQ(2, caps->get_refcount());
+  }
+  else
+  {
+    EXPECT_EQ(1, caps->get_refcount());
+  }
 }
 
 TEST_F(AppSrcPluginTest, SimpleDataFlowInPipelineWithAppSrcElement)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 
-    EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
+  EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
 
-    std::string data = "hello world";
-    RefPtr<Buffer> buf = Buffer::create(data.length() + 1);
-    ASSERT_TRUE(buf);
-    RefPtr<MapInfo> mapinfo(new MapInfo());
-    ASSERT_TRUE(buf->map(mapinfo, MAP_WRITE));
-    strcpy((char *)mapinfo->get_data(), data.c_str());
+  std::string data = "hello world";
+  RefPtr<Buffer> buf = Buffer::create(data.length() + 1);
+  ASSERT_TRUE(buf);
+  RefPtr<MapInfo> mapinfo(new MapInfo());
+  ASSERT_TRUE(buf->map(mapinfo, MAP_WRITE));
+  strcpy((char *)mapinfo->get_data(), data.c_str());
 
-    RefPtr<AppSrc> appsrc;
-    appsrc = appsrc.cast_dynamic(source);
-    ASSERT_TRUE(appsrc);
+  RefPtr<AppSrc> appsrc;
+  appsrc = appsrc.cast_dynamic(source);
+  ASSERT_TRUE(appsrc);
 
-    EXPECT_EQ(FLOW_OK, appsrc->push_buffer(buf));
+  EXPECT_EQ(FLOW_OK, appsrc->push_buffer(buf));
 
-    {
-        State state, pending;
-        StateChangeReturn ret = pipeline->get_state(state, pending, 1*SECOND);
-        EXPECT_EQ(STATE_CHANGE_SUCCESS, ret);
-        EXPECT_EQ(STATE_PLAYING, state);
-    }
+  {
+    State state, pending;
+    StateChangeReturn ret = pipeline->get_state(state, pending, 1*SECOND);
+    EXPECT_EQ(STATE_CHANGE_SUCCESS, ret);
+    EXPECT_EQ(STATE_PLAYING, state);
+  }
 
-    EXPECT_EQ(FLOW_OK, appsrc->end_of_stream());
+  EXPECT_EQ(FLOW_OK, appsrc->end_of_stream());
 
-    RefPtr<Message> msg = pipeline->get_bus()->poll((MessageType)(MESSAGE_EOS | MESSAGE_ERROR) , 1*SECOND);
-    ASSERT_TRUE(msg);
-    EXPECT_EQ(MESSAGE_EOS, msg->get_message_type());
-    EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(STATE_NULL));
+  RefPtr<Message> msg = pipeline->get_bus()->poll((MessageType)(MESSAGE_EOS | MESSAGE_ERROR) , 1*SECOND);
+  ASSERT_TRUE(msg);
+  EXPECT_EQ(MESSAGE_EOS, msg->get_message_type());
+  EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(STATE_NULL));
 }
diff --git a/tests/plugins/test-plugin-derivedfromappsink.cc b/tests/plugins/test-plugin-derivedfromappsink.cc
index 87263ca..cd3ba92 100644
--- a/tests/plugins/test-plugin-derivedfromappsink.cc
+++ b/tests/plugins/test-plugin-derivedfromappsink.cc
@@ -11,110 +11,110 @@ using Glib::RefPtr;
 class DerivedFromAppSinkPluginTest : public ::testing::Test
 {
 protected:
-    RefPtr<Element> source;
-    RefPtr<Element> sink;
-    RefPtr<Pipeline> pipeline;
-
-    void CreatePipelineWithElements()
-    {
-        pipeline = Gst::Pipeline::create();
-
-        sink = ElementFactory::create_element("derivedfromappsink", "sink");
-        source = ElementFactory::create_element("appsrc", "source");
-
-        ASSERT_TRUE(sink);
-        ASSERT_TRUE(source);
-
-        ASSERT_NO_THROW(pipeline->add(source)->add(sink));
-        ASSERT_NO_THROW(source->link(sink));
-    }
-
-    virtual void SetUp()
-    {
-        Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "derivedfromappsink",
-            "derivedfromappsink is an example of C++ element derived from Gst::AppSink",
-            sigc::ptr_fun(&DerivedFromAppSink::register_element), "0.123",
-            "LGPL", "source?", "package?", "http://example.com";);
-    }
+  RefPtr<Element> source;
+  RefPtr<Element> sink;
+  RefPtr<Pipeline> pipeline;
+
+  void CreatePipelineWithElements()
+  {
+    pipeline = Gst::Pipeline::create();
+
+    sink = ElementFactory::create_element("derivedfromappsink", "sink");
+    source = ElementFactory::create_element("appsrc", "source");
+
+    ASSERT_TRUE(sink);
+    ASSERT_TRUE(source);
+
+    ASSERT_NO_THROW(pipeline->add(source)->add(sink));
+    ASSERT_NO_THROW(source->link(sink));
+  }
+
+  virtual void SetUp()
+  {
+    Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "derivedfromappsink",
+        "derivedfromappsink is an example of C++ element derived from Gst::AppSink",
+        sigc::ptr_fun(&DerivedFromAppSink::register_element), "0.123",
+        "LGPL", "source?", "package?", "http://example.com";);
+  }
 };
 
 TEST_F(DerivedFromAppSinkPluginTest, CreateRegisteredElement)
 {
-    RefPtr<Element> sink_element = ElementFactory::create_element("derivedfromappsink", "source");
+  RefPtr<Element> sink_element = ElementFactory::create_element("derivedfromappsink", "source");
 
-    ASSERT_TRUE(sink_element);
+  ASSERT_TRUE(sink_element);
 }
 
 TEST_F(DerivedFromAppSinkPluginTest, CreatePipelineWithRegisteredElement)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 }
 
 TEST_F(DerivedFromAppSinkPluginTest, SinkPadQueryCapsShouldReturnProperCapsObjects)
 {
-    CreatePipelineWithElements();
-
-    RefPtr<BaseSink> basesink;
-    basesink = basesink.cast_dynamic(sink);
-    ASSERT_TRUE(basesink);
-
-    RefPtr<Pad> sink_pad = basesink->get_sink_pad();
-    ASSERT_TRUE(sink_pad);
-    ASSERT_TRUE(GST_IS_PAD(sink_pad->gobj()));
-    RefPtr<Caps> caps = sink_pad->query_caps(Caps::create_any());
-    ASSERT_TRUE(caps);
-    ASSERT_TRUE(caps->gobj());
-    ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
-    RefPtr<Caps> template_caps = Glib::wrap(gst_pad_get_pad_template_caps(sink_pad->gobj()), false);
-
-    sink_pad.reset();
-    basesink.reset();
-    sink.reset();
-    pipeline.reset();
-
-    // query_caps may return just another ref to template_caps
-    if (caps == template_caps)
-    {
-        // ...but template_caps might be just another ref to static caps with some higher unknown refcount
-        //EXPECT_EQ(2, caps->get_refcount());
-    }
-    else
-    {
-        EXPECT_EQ(1, caps->get_refcount());
-    }
+  CreatePipelineWithElements();
+
+  RefPtr<BaseSink> basesink;
+  basesink = basesink.cast_dynamic(sink);
+  ASSERT_TRUE(basesink);
+
+  RefPtr<Pad> sink_pad = basesink->get_sink_pad();
+  ASSERT_TRUE(sink_pad);
+  ASSERT_TRUE(GST_IS_PAD(sink_pad->gobj()));
+  RefPtr<Caps> caps = sink_pad->query_caps(Caps::create_any());
+  ASSERT_TRUE(caps);
+  ASSERT_TRUE(caps->gobj());
+  ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
+  RefPtr<Caps> template_caps = Glib::wrap(gst_pad_get_pad_template_caps(sink_pad->gobj()), false);
+
+  sink_pad.reset();
+  basesink.reset();
+  sink.reset();
+  pipeline.reset();
+
+  // query_caps may return just another ref to template_caps
+  if (caps == template_caps)
+  {
+    // ...but template_caps might be just another ref to static caps with some higher unknown refcount
+    //EXPECT_EQ(2, caps->get_refcount());
+  }
+  else
+  {
+    EXPECT_EQ(1, caps->get_refcount());
+  }
 }
 
 TEST_F(DerivedFromAppSinkPluginTest, UseAppSinkDuringDataFlowInPipeline)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 
-    RefPtr<AppSink> appsink = appsink.cast_static(sink);
-    RefPtr<AppSrc> appsrc = appsrc.cast_static(source);
+  RefPtr<AppSink> appsink = appsink.cast_static(sink);
+  RefPtr<AppSrc> appsrc = appsrc.cast_static(source);
 
-    EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
+  EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
 
-    std::string data = "hello world";
-    RefPtr<Buffer> buf = Buffer::create(data.length() + 1);
-    ASSERT_TRUE(buf);
-    RefPtr<MapInfo> map_info(new MapInfo());
-    ASSERT_TRUE(buf->map(map_info, MAP_WRITE));
-    strcpy((char *)map_info->get_data(), data.c_str());
-    buf->unmap(map_info);
+  std::string data = "hello world";
+  RefPtr<Buffer> buf = Buffer::create(data.length() + 1);
+  ASSERT_TRUE(buf);
+  RefPtr<MapInfo> map_info(new MapInfo());
+  ASSERT_TRUE(buf->map(map_info, MAP_WRITE));
+  strcpy((char *)map_info->get_data(), data.c_str());
+  buf->unmap(map_info);
 
-    EXPECT_EQ(FLOW_OK, appsrc->push_buffer(buf));
+  EXPECT_EQ(FLOW_OK, appsrc->push_buffer(buf));
 
-    RefPtr<Buffer> buf_out;
-    RefPtr<Sample> sample = appsink->pull_sample();
-    ASSERT_TRUE(sample);
-    buf_out = sample->get_buffer();
-    ASSERT_TRUE(buf_out);
+  RefPtr<Buffer> buf_out;
+  RefPtr<Sample> sample = appsink->pull_sample();
+  ASSERT_TRUE(sample);
+  buf_out = sample->get_buffer();
+  ASSERT_TRUE(buf_out);
 
-    EXPECT_TRUE(buf_out->memcmp(0, data.c_str(), data.length()) == 0);
+  EXPECT_TRUE(buf_out->memcmp(0, data.c_str(), data.length()) == 0);
 
-    EXPECT_EQ(FLOW_OK, appsrc->end_of_stream());
+  EXPECT_EQ(FLOW_OK, appsrc->end_of_stream());
 
-    RefPtr<Message> msg = pipeline->get_bus()->poll((MessageType)(MESSAGE_EOS | MESSAGE_ERROR) , 1*SECOND);
-    ASSERT_TRUE(msg);
-    EXPECT_EQ(MESSAGE_EOS, msg->get_message_type());
-    EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(STATE_NULL));
+  RefPtr<Message> msg = pipeline->get_bus()->poll((MessageType)(MESSAGE_EOS | MESSAGE_ERROR) , 1*SECOND);
+  ASSERT_TRUE(msg);
+  EXPECT_EQ(MESSAGE_EOS, msg->get_message_type());
+  EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(STATE_NULL));
 }
diff --git a/tests/plugins/test-plugin-derivedfromappsrc.cc b/tests/plugins/test-plugin-derivedfromappsrc.cc
index 8b7ab4b..78a72cf 100644
--- a/tests/plugins/test-plugin-derivedfromappsrc.cc
+++ b/tests/plugins/test-plugin-derivedfromappsrc.cc
@@ -10,110 +10,109 @@ using Glib::RefPtr;
 class DerivedFromAppSrcPluginTest : public ::testing::Test
 {
 protected:
-    RefPtr<Element> source;
-    RefPtr<Element> sink;
-    RefPtr<Pipeline> pipeline;
-
-    void CreatePipelineWithElements()
-    {
-        pipeline = Pipeline::create();
-
-        sink = ElementFactory::create_element("fakesink", "sink");
-        source = ElementFactory::create_element("derivedfromappsrc", "source");
-
-        ASSERT_TRUE(sink);
-        ASSERT_TRUE(source);
-
-        ASSERT_NO_THROW(pipeline->add(source)->add(sink));
-        ASSERT_NO_THROW(source->link(sink));
-    }
-
-    virtual void SetUp()
-    {
-        Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "derivedfromappsrc",
-            "derivedfromappsrc is an example of C++ element derived from Gst::AppSrc",
-            sigc::ptr_fun(&DerivedFromAppSrc::register_element), "0.123",
-            "LGPL", "source?", "package?", "http://example.com";);
-    }
+  RefPtr<Element> source;
+  RefPtr<Element> sink;
+  RefPtr<Pipeline> pipeline;
+
+  void CreatePipelineWithElements()
+  {
+    pipeline = Pipeline::create();
+
+    sink = ElementFactory::create_element("fakesink", "sink");
+    source = ElementFactory::create_element("derivedfromappsrc", "source");
+
+    ASSERT_TRUE(sink);
+    ASSERT_TRUE(source);
+
+    ASSERT_NO_THROW(pipeline->add(source)->add(sink));
+    ASSERT_NO_THROW(source->link(sink));
+  }
+
+  virtual void SetUp()
+  {
+    Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "derivedfromappsrc",
+        "derivedfromappsrc is an example of C++ element derived from Gst::AppSrc",
+        sigc::ptr_fun(&DerivedFromAppSrc::register_element), "0.123",
+        "LGPL", "source?", "package?", "http://example.com";);
+  }
 };
 
 TEST_F(DerivedFromAppSrcPluginTest, CreateRegisteredElement)
 {
-    RefPtr<Element> source_element = ElementFactory::create_element("derivedfromappsrc", "source");
+  RefPtr<Element> source_element = ElementFactory::create_element("derivedfromappsrc", "source");
 
-    ASSERT_TRUE(source_element);
+  ASSERT_TRUE(source_element);
 }
 
 TEST_F(DerivedFromAppSrcPluginTest, CreatePipelineWithRegisteredElement)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 }
 
 TEST_F(DerivedFromAppSrcPluginTest, SrcPadQueryCapsShouldReturnProperCapsObjects)
 {
-    CreatePipelineWithElements();
-
-    RefPtr<BaseSrc> basesrc;
-    basesrc = basesrc.cast_dynamic(source);
-    ASSERT_TRUE(basesrc);
-
-    RefPtr<Pad> src_pad = basesrc->get_src_pad();
-    ASSERT_TRUE(src_pad);
-    ASSERT_TRUE(GST_IS_PAD(src_pad->gobj()));
-    RefPtr<Caps> caps = src_pad->query_caps(Caps::create_any());
-    ASSERT_TRUE(caps);
-    ASSERT_TRUE(caps->gobj());
-    ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
-    RefPtr<Caps> template_caps = Glib::wrap(gst_pad_get_pad_template_caps(src_pad->gobj()), false);
-
-    src_pad.reset();
-    basesrc.reset();
-    sink.reset();
-    pipeline.reset();
-
-    // query_caps may return just another ref to template_caps
-    if (caps == template_caps)
-    {
-        // ...but template_caps might be just another ref to static caps with some higher unknown refcount
-        //EXPECT_EQ(2, caps->get_refcount());
-    }
-    else
-    {
-        EXPECT_EQ(1, caps->get_refcount());
-    }
+  CreatePipelineWithElements();
+
+  RefPtr<BaseSrc> basesrc;
+  basesrc = basesrc.cast_dynamic(source);
+  ASSERT_TRUE(basesrc);
+
+  RefPtr<Pad> src_pad = basesrc->get_src_pad();
+  ASSERT_TRUE(src_pad);
+  ASSERT_TRUE(GST_IS_PAD(src_pad->gobj()));
+  RefPtr<Caps> caps = src_pad->query_caps(Caps::create_any());
+  ASSERT_TRUE(caps);
+  ASSERT_TRUE(caps->gobj());
+  ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
+  RefPtr<Caps> template_caps = Glib::wrap(gst_pad_get_pad_template_caps(src_pad->gobj()), false);
+
+  src_pad.reset();
+  basesrc.reset();
+  sink.reset();
+  pipeline.reset();
+
+  // query_caps may return just another ref to template_caps
+  if (caps == template_caps)
+  {
+    // ...but template_caps might be just another ref to static caps with some higher unknown refcount
+    //EXPECT_EQ(2, caps->get_refcount());
+  }
+  else
+  {
+    EXPECT_EQ(1, caps->get_refcount());
+  }
 }
 
 TEST_F(DerivedFromAppSrcPluginTest, SimpleDataFlowInPipelineWithAppSrcElement)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 
-    EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
+  EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
 
-    std::string data = "hello world";
-    RefPtr<Buffer> buf = Buffer::create(data.length() + 1);
-    ASSERT_TRUE(buf);
-    RefPtr<MapInfo> mapinfo(new MapInfo());
-    ASSERT_TRUE(buf->map(mapinfo, MAP_WRITE));
-    strcpy((char *)mapinfo->get_data(), data.c_str());
+  std::string data = "hello world";
+  RefPtr<Buffer> buf = Buffer::create(data.length() + 1);
+  ASSERT_TRUE(buf);
+  RefPtr<MapInfo> mapinfo(new MapInfo());
+  ASSERT_TRUE(buf->map(mapinfo, MAP_WRITE));
+  strcpy((char *)mapinfo->get_data(), data.c_str());
 
-    RefPtr<AppSrc> appsrc;
-    appsrc = appsrc.cast_dynamic(source);
-    ASSERT_TRUE(appsrc);
+  RefPtr<AppSrc> appsrc;
+  appsrc = appsrc.cast_dynamic(source);
+  ASSERT_TRUE(appsrc);
 
-    EXPECT_EQ(FLOW_OK, appsrc->push_buffer(buf));
+  EXPECT_EQ(FLOW_OK, appsrc->push_buffer(buf));
 
-    {
-        State state, pending;
-        StateChangeReturn ret = pipeline->get_state(state, pending, 1*SECOND);
-        EXPECT_EQ(STATE_CHANGE_SUCCESS, ret);
-        EXPECT_EQ(STATE_PLAYING, state);
-    }
+  {
+    State state, pending;
+    StateChangeReturn ret = pipeline->get_state(state, pending, 1*SECOND);
+    EXPECT_EQ(STATE_CHANGE_SUCCESS, ret);
+    EXPECT_EQ(STATE_PLAYING, state);
+  }
 
-    EXPECT_EQ(FLOW_OK, appsrc->end_of_stream());
+  EXPECT_EQ(FLOW_OK, appsrc->end_of_stream());
 
-    RefPtr<Message> msg = pipeline->get_bus()->poll((MessageType)(MESSAGE_EOS | MESSAGE_ERROR) , 1*SECOND);
-    ASSERT_TRUE(msg);
-    EXPECT_EQ(MESSAGE_EOS, msg->get_message_type());
-    EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(STATE_NULL));
+  RefPtr<Message> msg = pipeline->get_bus()->poll((MessageType)(MESSAGE_EOS | MESSAGE_ERROR) , 1*SECOND);
+  ASSERT_TRUE(msg);
+  EXPECT_EQ(MESSAGE_EOS, msg->get_message_type());
+  EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(STATE_NULL));
 }
-
diff --git a/tests/plugins/test-plugin-derivedfrombasetransform.cc 
b/tests/plugins/test-plugin-derivedfrombasetransform.cc
index b39e336..00ed6ea 100644
--- a/tests/plugins/test-plugin-derivedfrombasetransform.cc
+++ b/tests/plugins/test-plugin-derivedfrombasetransform.cc
@@ -11,105 +11,105 @@ using Glib::RefPtr;
 class DerivedFromBaseTransformPluginTest : public ::testing::Test
 {
 protected:
-    RefPtr<AppSrc> source;
-    RefPtr<Element> filter;
-    RefPtr<AppSink> sink;
-    RefPtr<Gst::Pipeline> pipeline;
-
-    virtual void SetUp()
-    {
-        Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "derivedfrombasetransform",
-            "derivedfrombasetransfrom is an example of C++ element derived from Gst::BaseTransform",
-            sigc::ptr_fun(&DerivedFromBaseTransform::register_element), "0.123",
-            "LGPL", "source?", "package?", "http://example.com";);
-    }
-
-    void CreatePipelineWithElements()
-    {
-        pipeline = Gst::Pipeline::create("my-pipeline");
-
-        source = AppSrc::create("source");
-        filter = ElementFactory::create_element("derivedfrombasetransform", "filter");
-        sink = AppSink::create("sink");
-
-        ASSERT_TRUE(source);
-        ASSERT_TRUE(filter);
-        ASSERT_TRUE(sink);
-
-        EXPECT_NO_THROW(pipeline->add(source)->add(filter)->add(sink));
-        EXPECT_NO_THROW(source->link(filter)->link(sink));
-    }
+  RefPtr<AppSrc> source;
+  RefPtr<Element> filter;
+  RefPtr<AppSink> sink;
+  RefPtr<Gst::Pipeline> pipeline;
+
+  virtual void SetUp()
+  {
+    Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "derivedfrombasetransform",
+        "derivedfrombasetransfrom is an example of C++ element derived from Gst::BaseTransform",
+        sigc::ptr_fun(&DerivedFromBaseTransform::register_element), "0.123",
+        "LGPL", "source?", "package?", "http://example.com";);
+  }
+
+  void CreatePipelineWithElements()
+  {
+    pipeline = Gst::Pipeline::create("my-pipeline");
+
+    source = AppSrc::create("source");
+    filter = ElementFactory::create_element("derivedfrombasetransform", "filter");
+    sink = AppSink::create("sink");
+
+    ASSERT_TRUE(source);
+    ASSERT_TRUE(filter);
+    ASSERT_TRUE(sink);
+
+    EXPECT_NO_THROW(pipeline->add(source)->add(filter)->add(sink));
+    EXPECT_NO_THROW(source->link(filter)->link(sink));
+  }
 };
 
 TEST_F(DerivedFromBaseTransformPluginTest, CreateRegisteredElement)
 {
-    RefPtr<Element> filter_element = Gst::ElementFactory::create_element("derivedfrombasetransform", 
"filter");
+  RefPtr<Element> filter_element = Gst::ElementFactory::create_element("derivedfrombasetransform", "filter");
 
-    ASSERT_TRUE(filter_element);
+  ASSERT_TRUE(filter_element);
 }
 
 TEST_F(DerivedFromBaseTransformPluginTest, CreatePipelineWithRegisteredElement)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 }
 
 TEST_F(DerivedFromBaseTransformPluginTest, VFuncsShouldReturnProperlyRefcountedGobjs)
 {
-    bool plugin_registered = Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, 
"derivedfrombasetransform", "exemplary element C++-derived from Gst::BaseTransform",
-            sigc::ptr_fun(&DerivedFromBaseTransform::register_element), "0.123", "LGPL", "source?", 
"package?",
-            "http://example.com";);
-    ASSERT_TRUE(plugin_registered);
-
-    Glib::RefPtr<Gst::Element> element = Gst::ElementFactory::create_element("derivedfrombasetransform");
-    ASSERT_TRUE(element);
-
-    Glib::RefPtr<DerivedFromBaseTransform> derived_from_base_transform = 
Glib::RefPtr<DerivedFromBaseTransform>::cast_dynamic(element);
-    ASSERT_TRUE(derived_from_base_transform);
-
-    {
-        Glib::RefPtr<Caps> caps = derived_from_base_transform->transform_caps_vfunc(PAD_SINK, 
Caps::create_any(), Glib::RefPtr<Caps>());
-        ASSERT_TRUE(caps);
-        ASSERT_TRUE(caps->gobj());
-        ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
-        ASSERT_EQ(1, caps->gobj()->mini_object.refcount);
-    }
-
-    {
-        GstBaseTransform *gobj = derived_from_base_transform->gobj();
-        Glib::RefPtr<Caps> caps = Glib::wrap(GST_BASE_TRANSFORM_GET_CLASS(gobj)->transform_caps(gobj, 
GST_PAD_SINK, Glib::unwrap(Caps::create_any()), NULL));
-        ASSERT_TRUE(caps);
-        ASSERT_TRUE(caps->gobj());
-        ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
-        ASSERT_EQ(1, caps->get_refcount());
-    }
+  bool plugin_registered = Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, 
"derivedfrombasetransform", "exemplary element C++-derived from Gst::BaseTransform",
+        sigc::ptr_fun(&DerivedFromBaseTransform::register_element), "0.123", "LGPL", "source?", "package?",
+        "http://example.com";);
+  ASSERT_TRUE(plugin_registered);
+
+  Glib::RefPtr<Gst::Element> element = Gst::ElementFactory::create_element("derivedfrombasetransform");
+  ASSERT_TRUE(element);
+
+  Glib::RefPtr<DerivedFromBaseTransform> derived_from_base_transform = 
Glib::RefPtr<DerivedFromBaseTransform>::cast_dynamic(element);
+  ASSERT_TRUE(derived_from_base_transform);
+
+  {
+    Glib::RefPtr<Caps> caps = derived_from_base_transform->transform_caps_vfunc(PAD_SINK, 
Caps::create_any(), Glib::RefPtr<Caps>());
+    ASSERT_TRUE(caps);
+    ASSERT_TRUE(caps->gobj());
+    ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
+    ASSERT_EQ(1, caps->gobj()->mini_object.refcount);
+  }
+
+  {
+    GstBaseTransform *gobj = derived_from_base_transform->gobj();
+    Glib::RefPtr<Caps> caps = Glib::wrap(GST_BASE_TRANSFORM_GET_CLASS(gobj)->transform_caps(gobj, 
GST_PAD_SINK, Glib::unwrap(Caps::create_any()), NULL));
+    ASSERT_TRUE(caps);
+    ASSERT_TRUE(caps->gobj());
+    ASSERT_TRUE(GST_IS_CAPS(caps->gobj()));
+    ASSERT_EQ(1, caps->get_refcount());
+  }
 }
 
 TEST_F(DerivedFromBaseTransformPluginTest, CheckDataFlowThroughCreatedElement)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 
-    EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
+  EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
 
-    std::vector<guint8> data = {4, 5, 2, 7, 1};
-    RefPtr<Buffer> buf = Buffer::create(data.size());
-    ASSERT_TRUE(buf);
-    RefPtr<Gst::MapInfo> mapinfo(new Gst::MapInfo());
+  std::vector<guint8> data = {4, 5, 2, 7, 1};
+  RefPtr<Buffer> buf = Buffer::create(data.size());
+  ASSERT_TRUE(buf);
+  RefPtr<Gst::MapInfo> mapinfo(new Gst::MapInfo());
 
-    ASSERT_TRUE(buf->map(mapinfo, MAP_WRITE));
-    std::copy(data.begin(), data.end(), mapinfo->get_data());
-    EXPECT_EQ(FLOW_OK, source->push_buffer(buf));
-    buf->unmap(mapinfo);
+  ASSERT_TRUE(buf->map(mapinfo, MAP_WRITE));
+  std::copy(data.begin(), data.end(), mapinfo->get_data());
+  EXPECT_EQ(FLOW_OK, source->push_buffer(buf));
+  buf->unmap(mapinfo);
 
-    RefPtr<Gst::Buffer> buf_out;
-    RefPtr<Gst::Sample> samp = sink->pull_preroll();
+  RefPtr<Gst::Buffer> buf_out;
+  RefPtr<Gst::Sample> samp = sink->pull_preroll();
 
-    ASSERT_TRUE(samp);
-    buf_out = samp->get_buffer();
-    ASSERT_TRUE(buf_out->map(mapinfo, MAP_READ));
-    ASSERT_TRUE(mapinfo->get_data());
-    ASSERT_TRUE(std::equal(data.begin(), data.end(), mapinfo->get_data()));
-    buf_out->unmap(mapinfo);
-    EXPECT_EQ(FLOW_OK, source->end_of_stream());
+  ASSERT_TRUE(samp);
+  buf_out = samp->get_buffer();
+  ASSERT_TRUE(buf_out->map(mapinfo, MAP_READ));
+  ASSERT_TRUE(mapinfo->get_data());
+  ASSERT_TRUE(std::equal(data.begin(), data.end(), mapinfo->get_data()));
+  buf_out->unmap(mapinfo);
+  EXPECT_EQ(FLOW_OK, source->end_of_stream());
 
-    EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(Gst::STATE_NULL));
+  EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(Gst::STATE_NULL));
 }
diff --git a/tests/plugins/test-plugin-pushsrc.cc b/tests/plugins/test-plugin-pushsrc.cc
index db756b8..d05288a 100644
--- a/tests/plugins/test-plugin-pushsrc.cc
+++ b/tests/plugins/test-plugin-pushsrc.cc
@@ -19,93 +19,93 @@ class FooSrc : public Gst::PushSrc
   int count_left;
 
 public:
-    static const int COUNT = 5;
-    static void base_init(Gst::ElementClass<FooSrc> *klass)
-    {
-        klass->set_metadata("foosrc_longname",
-                "foosrc_classification", "foosrc_detail_description", "foosrc_detail_author");
+  static const int COUNT = 5;
+  static void base_init(Gst::ElementClass<FooSrc> *klass)
+  {
+    klass->set_metadata("foosrc_longname",
+           "foosrc_classification", "foosrc_detail_description", "foosrc_detail_author");
 
-        klass->add_pad_template(Gst::PadTemplate::create("src", Gst::PAD_SRC, Gst::PAD_ALWAYS,
+    klass->add_pad_template(Gst::PadTemplate::create("src", Gst::PAD_SRC, Gst::PAD_ALWAYS,
                                                      Gst::Caps::create_from_string("x-application/x-foo1")));
-    }
-
-    explicit FooSrc(GstPushSrc *gobj)
-        : Gst::PushSrc(gobj),
-          count_left(COUNT)
-    {
-        set_format(Gst::FORMAT_TIME);
-    }
-
-    Gst::FlowReturn create_vfunc(guint64 /* offset */, guint /* size */, Glib::RefPtr<Gst::Buffer>& buffer)
-    {
-        if (count_left-- <= 0)
-            return Gst::FLOW_EOS;
-
-        std::string s = std::to_string(COUNT - count_left);
-        buffer = Gst::Buffer::create(s.size());
-
-        RefPtr<MapInfo> info(new MapInfo());
-        buffer->map(info, MAP_WRITE);
-
-        std::copy(s.begin(), s.end(), info->get_data());
-        return Gst::FLOW_OK;
-    }
-
-    virtual bool negotiate_vfunc()
-    {
-        return true;
-    }
-    virtual bool start_vfunc()
-    {
-        count_left = COUNT;
-        return true;
-    }
+  }
+
+  explicit FooSrc(GstPushSrc *gobj)
+  : Gst::PushSrc(gobj),
+    count_left(COUNT)
+  {
+    set_format(Gst::FORMAT_TIME);
+  }
+
+  Gst::FlowReturn create_vfunc(guint64 /* offset */, guint /* size */, Glib::RefPtr<Gst::Buffer>& buffer)
+  {
+    if (count_left-- <= 0)
+      return Gst::FLOW_EOS;
+
+    std::string s = std::to_string(COUNT - count_left);
+    buffer = Gst::Buffer::create(s.size());
+
+    RefPtr<MapInfo> info(new MapInfo());
+    buffer->map(info, MAP_WRITE);
+
+    std::copy(s.begin(), s.end(), info->get_data());
+    return Gst::FLOW_OK;
+  }
+
+  virtual bool negotiate_vfunc()
+  {
+    return true;
+  }
+
+  virtual bool start_vfunc()
+  {
+    count_left = COUNT;
+    return true;
+  }
 };
 
 bool register_foo(Glib::RefPtr<Gst::Plugin> plugin)
 {
-    Gst::ElementFactory::register_element(plugin, "foosrcmm", 10, Gst::register_mm_type<FooSrc>("foosrcmm"));
-    return true;
-
+  Gst::ElementFactory::register_element(plugin, "foosrcmm", 10, Gst::register_mm_type<FooSrc>("foosrcmm"));
+  return true;
 }
 
 class PushSrcPluginTest : public ::testing::Test
 {
 protected:
-    virtual void SetUp()
-    {
-        Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "foo",
-              "foo is example of C++ element", sigc::ptr_fun(register_foo), "0.123",
-              "LGPL", "source?", "package?", "http://example.com";);
-    }
+  virtual void SetUp()
+  {
+    Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "foo",
+          "foo is example of C++ element", sigc::ptr_fun(register_foo), "0.123",
+          "LGPL", "source?", "package?", "http://example.com";);
+  }
 
-    RefPtr<Pipeline> CreatePipeline()
-    {
-        RefPtr<Pipeline> pipeline = Pipeline::create("my-pipeline");
+  RefPtr<Pipeline> CreatePipeline()
+  {
+    RefPtr<Pipeline> pipeline = Pipeline::create("my-pipeline");
 
-        EXPECT_TRUE(pipeline);
+    EXPECT_TRUE(pipeline);
 
-        RefPtr<Element> source = ElementFactory::create_element("foosrcmm", "src");
-        RefPtr<AppSink> sink = AppSink::create("sink");
+    RefPtr<Element> source = ElementFactory::create_element("foosrcmm", "src");
+    RefPtr<AppSink> sink = AppSink::create("sink");
 
-        EXPECT_TRUE(source);
-        EXPECT_TRUE(sink);
+    EXPECT_TRUE(source);
+    EXPECT_TRUE(sink);
 
-        pipeline->add(source)->add(sink);
-        source->link(sink);
+    pipeline->add(source)->add(sink);
+    source->link(sink);
 
-        return pipeline;
-    }
+    return pipeline;
+  }
 };
 
 TEST_F(PushSrcPluginTest, CreateRegisteredElement)
 {
-    Glib::RefPtr<Gst::Element> source = Gst::ElementFactory::create_element("foosrcmm", "src");
+  Glib::RefPtr<Gst::Element> source = Gst::ElementFactory::create_element("foosrcmm", "src");
 
-    ASSERT_TRUE(source);
+  ASSERT_TRUE(source);
 }
 
 TEST_F(PushSrcPluginTest, DISABLED_CreatePipelineWithRegisteredElement)
 {
-    CreatePipeline();
+  CreatePipeline();
 }
diff --git a/tests/plugins/test-plugin-register.cc b/tests/plugins/test-plugin-register.cc
index 714a87f..26901ba 100644
--- a/tests/plugins/test-plugin-register.cc
+++ b/tests/plugins/test-plugin-register.cc
@@ -18,90 +18,90 @@ using Glib::RefPtr;
 class RegisterPluginTest : public ::testing::Test
 {
 protected:
-    RefPtr<AppSrc> source;
-    RefPtr<Element> filter;
-    RefPtr<AppSink> sink;
-    RefPtr<Gst::Pipeline> pipeline;
-
-    virtual void SetUp()
-    {
-        Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "foo",
-            "foo is example of C++ element", sigc::ptr_fun(&Foo::register_foo), "0.123",
-            "LGPL", "source?", "package?", "http://example.com";);
-    }
-
-    void CreatePipelineWithElements()
-    {
-        pipeline = Gst::Pipeline::create("my-pipeline");
-
-        source = AppSrc::create("source");
-        filter = ElementFactory::create_element("foomm", "filter");
-        sink = AppSink::create("sink");
-
-        ASSERT_TRUE(source);
-        ASSERT_TRUE(filter);
-        ASSERT_TRUE(sink);
-
-        EXPECT_NO_THROW(pipeline->add(source)->add(filter)->add(sink));
-        EXPECT_NO_THROW(source->link(filter)->link(sink));
-    }
+  RefPtr<AppSrc> source;
+  RefPtr<Element> filter;
+  RefPtr<AppSink> sink;
+  RefPtr<Gst::Pipeline> pipeline;
+
+  virtual void SetUp()
+  {
+    Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "foo",
+        "foo is example of C++ element", sigc::ptr_fun(&Foo::register_foo), "0.123",
+        "LGPL", "source?", "package?", "http://example.com";);
+  }
+
+  void CreatePipelineWithElements()
+  {
+    pipeline = Gst::Pipeline::create("my-pipeline");
+
+    source = AppSrc::create("source");
+    filter = ElementFactory::create_element("foomm", "filter");
+    sink = AppSink::create("sink");
+
+    ASSERT_TRUE(source);
+    ASSERT_TRUE(filter);
+    ASSERT_TRUE(sink);
+
+    EXPECT_NO_THROW(pipeline->add(source)->add(filter)->add(sink));
+    EXPECT_NO_THROW(source->link(filter)->link(sink));
+  }
 };
 
 TEST_F(RegisterPluginTest, CreateRegisteredElement)
 {
-    filter = Gst::ElementFactory::create_element("foomm", "filter");
+  filter = Gst::ElementFactory::create_element("foomm", "filter");
 
-    ASSERT_TRUE(filter);
+  ASSERT_TRUE(filter);
 }
 
 TEST_F(RegisterPluginTest, CheckPropertyUsage)
 {
-    filter = Gst::ElementFactory::create_element("foomm", "filter");
+  filter = Gst::ElementFactory::create_element("foomm", "filter");
 
-    ASSERT_TRUE(filter);
+  ASSERT_TRUE(filter);
 
-    Glib::ustring property_value;
-    filter->get_property("sample_property", property_value);
-    EXPECT_STREQ("def_val", property_value.c_str());
+  Glib::ustring property_value;
+  filter->get_property("sample_property", property_value);
+  EXPECT_STREQ("def_val", property_value.c_str());
 
-    Glib::ustring expected_property_value = "second_property_test";
-    filter->set_property("sample_property", expected_property_value);
-    filter->get_property("sample_property", property_value);
-    EXPECT_STREQ(expected_property_value.c_str(), property_value.c_str());
+  Glib::ustring expected_property_value = "second_property_test";
+  filter->set_property("sample_property", expected_property_value);
+  filter->get_property("sample_property", property_value);
+  EXPECT_STREQ(expected_property_value.c_str(), property_value.c_str());
 }
 
 TEST_F(RegisterPluginTest, CreatePipelineWithRegisteredElement)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 }
 
 TEST_F(RegisterPluginTest, CheckDataFlowThroughCreatedElement)
 {
-    CreatePipelineWithElements();
+  CreatePipelineWithElements();
 
-    EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
+  EXPECT_EQ(STATE_CHANGE_ASYNC, pipeline->set_state(STATE_PLAYING));
 
-    std::vector<guint8> data = {4, 5, 2, 7, 1};
-    RefPtr<Buffer> buf = Buffer::create(data.size());
-    ASSERT_TRUE(buf);
-    RefPtr<Gst::MapInfo> mapinfo(new Gst::MapInfo());
+  std::vector<guint8> data = {4, 5, 2, 7, 1};
+  RefPtr<Buffer> buf = Buffer::create(data.size());
+  ASSERT_TRUE(buf);
+  RefPtr<Gst::MapInfo> mapinfo(new Gst::MapInfo());
 
-    ASSERT_TRUE(buf->map(mapinfo, MAP_WRITE));
-    std::copy(data.begin(), data.end(), mapinfo->get_data());
-    EXPECT_EQ(FLOW_OK, source->push_buffer(buf));
-    buf->unmap(mapinfo);
+  ASSERT_TRUE(buf->map(mapinfo, MAP_WRITE));
+  std::copy(data.begin(), data.end(), mapinfo->get_data());
+  EXPECT_EQ(FLOW_OK, source->push_buffer(buf));
+  buf->unmap(mapinfo);
 
-    RefPtr<Gst::Buffer> buf_out;
-    RefPtr<Gst::Sample> samp = sink->pull_preroll();
+  RefPtr<Gst::Buffer> buf_out;
+  RefPtr<Gst::Sample> samp = sink->pull_preroll();
 
-    ASSERT_TRUE(samp);
-    buf_out = samp->get_buffer();
-    ASSERT_TRUE(buf_out->map(mapinfo, MAP_READ));
-    ASSERT_TRUE(mapinfo->get_data());
-    std::sort(data.begin(), data.end());
-    ASSERT_TRUE(std::equal(data.begin(), data.end(), mapinfo->get_data()));
-    buf_out->unmap(mapinfo);
-    EXPECT_EQ(FLOW_OK, source->end_of_stream());
+  ASSERT_TRUE(samp);
+  buf_out = samp->get_buffer();
+  ASSERT_TRUE(buf_out->map(mapinfo, MAP_READ));
+  ASSERT_TRUE(mapinfo->get_data());
+  std::sort(data.begin(), data.end());
+  ASSERT_TRUE(std::equal(data.begin(), data.end(), mapinfo->get_data()));
+  buf_out->unmap(mapinfo);
+  EXPECT_EQ(FLOW_OK, source->end_of_stream());
 
-    EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(Gst::STATE_NULL));
+  EXPECT_EQ(STATE_CHANGE_SUCCESS, pipeline->set_state(Gst::STATE_NULL));
 }
diff --git a/tests/regression/pluginbin.h b/tests/regression/pluginbin.h
index eab4b4f..bb973ee 100644
--- a/tests/regression/pluginbin.h
+++ b/tests/regression/pluginbin.h
@@ -19,55 +19,52 @@
 class PluginBin: public Gst::Bin
 {
 private:
-    Glib::RefPtr<Gst::GhostPad> srcpad;
-    Glib::Property<Glib::ustring> location;
+  Glib::RefPtr<Gst::GhostPad> srcpad;
+  Glib::Property<Glib::ustring> location;
 
 public:
-    static void base_init(Gst::ElementClass<PluginBin> *klass)
+  static void base_init(Gst::ElementClass<PluginBin> *klass)
+  {
+    klass->set_metadata("Custom test bin", "test/bins", "test bin", "author");
+  }
+
+  explicit PluginBin(GstBin *gobj)
+  : Glib::ObjectBase(typeid (PluginBin)),
+    Gst::Bin(gobj),
+    location(*this, "location")
+  {
+    add_pad(srcpad = Gst::GhostPad::create( Gst::PadTemplate::create("src", Gst::PAD_SRC, Gst::PAD_ALWAYS,
+                            Gst::Caps::create_any()), "src"));
+  }
+
+  static bool register_pluginbin(Glib::RefPtr<Gst::Plugin> plugin)
+  {
+    Gst::ElementFactory::register_element(plugin, "pluginbin", 10,
+            Gst::register_mm_type<PluginBin>("pluginbin"));
+
+    return true;
+  }
+
+  virtual ~PluginBin() { }
+
+  virtual Gst::StateChangeReturn change_state_vfunc(Gst::StateChange transition)
+  {
+    if (transition == Gst::STATE_CHANGE_NULL_TO_READY)
     {
-       klass->set_metadata("Custom test bin", "test/bins", "test bin", "author");
-    }
-
-    explicit PluginBin(GstBin *gobj)
-    : Glib::ObjectBase(typeid (PluginBin)),
-      Gst::Bin(gobj),
-      location(*this, "location")
-    {
-        add_pad(srcpad = Gst::GhostPad::create( Gst::PadTemplate::create("src", Gst::PAD_SRC, 
Gst::PAD_ALWAYS,
-                                Gst::Caps::create_any()), "src"));
-    }
-
-    static bool register_pluginbin(Glib::RefPtr<Gst::Plugin> plugin)
-    {
-        Gst::ElementFactory::register_element(plugin, "pluginbin", 10,
-                Gst::register_mm_type<PluginBin>("pluginbin"));
-
-        return true;
-    }
-
-    virtual ~PluginBin() { }
-
-    virtual Gst::StateChangeReturn change_state_vfunc(Gst::StateChange transition)
-    {
-        if (transition == Gst::STATE_CHANGE_NULL_TO_READY)
-        {
-            Glib::RefPtr<Gst::FileSrc> source_file = Gst::FileSrc::create("source-file");
-            Glib::RefPtr<Gst::Element> png_decoder = Gst::ElementFactory::create_element("pngdec");
-            Glib::ustring str = "resources/input-image.png";
-            source_file->property_location() = location.get_value();
+      Glib::RefPtr<Gst::FileSrc> source_file = Gst::FileSrc::create("source-file");
+      Glib::RefPtr<Gst::Element> png_decoder = Gst::ElementFactory::create_element("pngdec");
+      Glib::ustring str = "resources/input-image.png";
+      source_file->property_location() = location.get_value();
 
-            add(source_file);
-            add(png_decoder);
-            source_file->link(png_decoder);
+      add(source_file);
+      add(png_decoder);
+      source_file->link(png_decoder);
 
-            srcpad->set_target(png_decoder->get_static_pad("src"));
-        }
-
-        return Bin::change_state_vfunc(transition);
+      srcpad->set_target(png_decoder->get_static_pad("src"));
     }
 
+    return Bin::change_state_vfunc(transition);
+  }
 };
 
-
-
 #endif /* TESTS_REGRESSION_PLUGINBIN_H_ */
diff --git a/tests/regression/test-regression-bininpipeline.cc 
b/tests/regression/test-regression-bininpipeline.cc
index 2f2dcea..c6fadb6 100644
--- a/tests/regression/test-regression-bininpipeline.cc
+++ b/tests/regression/test-regression-bininpipeline.cc
@@ -17,87 +17,85 @@ using Glib::RefPtr;
 class CustomBin : public Bin
 {
 private:
-    RefPtr<FileSrc> source_file;
-    RefPtr<Element> queue;
-    RefPtr<GhostPad> src_pad;
+  RefPtr<FileSrc> source_file;
+  RefPtr<Element> queue;
+  RefPtr<GhostPad> src_pad;
 protected:
-    explicit CustomBin(const Glib::ustring& name)
-    : Bin(name)
-    {
-        source_file = FileSrc::create("source-file");
-        queue = ElementFactory::create_element("queue");
-
-        add(source_file);
-        add(queue);
-        source_file->link(queue);
-
-        src_pad = add_ghost_pad(queue, "src", "src");
-        src_pad->set_active(true);
-    }
+  explicit CustomBin(const Glib::ustring& name)
+  : Bin(name)
+  {
+    source_file = FileSrc::create("source-file");
+    queue = ElementFactory::create_element("queue");
+
+    add(source_file);
+    add(queue);
+    source_file->link(queue);
+
+    src_pad = add_ghost_pad(queue, "src", "src");
+    src_pad->set_active(true);
+  }
 public:
-    virtual ~CustomBin() {}
+  virtual ~CustomBin() {}
 
-    static RefPtr<CustomBin> create(const Glib::ustring& name)
-    {
-        return RefPtr<CustomBin>(new CustomBin(name));
-    }
+  static RefPtr<CustomBin> create(const Glib::ustring& name)
+  {
+    return RefPtr<CustomBin>(new CustomBin(name));
+  }
 
-    void set_location(const Glib::ustring& filename)
-    {
-        source_file->property_location() = filename;
-    }
+  void set_location(const Glib::ustring& filename)
+  {
+    source_file->property_location() = filename;
+  }
 };
 
 RefPtr<Glib::MainLoop> mainloop;
 
 bool on_bus_message(const RefPtr<Bus>&, const Glib::RefPtr<Message>& message)
 {
-    switch(message->get_message_type())
-    {
-        case MESSAGE_EOS:
-            mainloop->quit();
-            return false;
-        case MESSAGE_ERROR:
-        {
-            mainloop->quit();
-            return false;
-        }
-        default:
-            break;
-    }
-
-    return true;
+  switch(message->get_message_type())
+  {
+  case MESSAGE_EOS:
+    mainloop->quit();
+    return false;
+  case MESSAGE_ERROR:
+    mainloop->quit();
+    return false;
+  default:
+    break;
+  }
+
+  return true;
 }
 
 TEST(BinInPipelineRegressionTest, CustomBinShouldCorrectPassThroughImage)
 {
-    Glib::ustring input_png = "resources/input-image.png",
-            output_jpg = "resources/test-regression-bininpipeline-output-image.jpg";
+  Glib::ustring input_png = "resources/input-image.png",
+      output_jpg = "resources/test-regression-bininpipeline-output-image.jpg";
 
-    mainloop = Glib::MainLoop::create();
-    ASSERT_TRUE(mainloop);
-    RefPtr<CustomBin> custom_bin = CustomBin::create("file-png-decoder");
-    ASSERT_TRUE(custom_bin);
-    RefPtr<Element> queue = ElementFactory::create_element("queue");
-    ASSERT_TRUE(queue);
-    RefPtr<FileSink> file_sink = FileSink::create("file-sink");
-    ASSERT_TRUE(file_sink);
-    RefPtr<Pipeline> pipeline = Pipeline::create("image-converter-pipeline");
-    ASSERT_TRUE(custom_bin);
+  mainloop = Glib::MainLoop::create();
+  ASSERT_TRUE(mainloop);
+  RefPtr<CustomBin> custom_bin = CustomBin::create("file-png-decoder");
+  ASSERT_TRUE(custom_bin);
+  RefPtr<Element> queue = ElementFactory::create_element("queue");
+  ASSERT_TRUE(queue);
+  RefPtr<FileSink> file_sink = FileSink::create("file-sink");
+  ASSERT_TRUE(file_sink);
+  RefPtr<Pipeline> pipeline = Pipeline::create("image-converter-pipeline");
+  ASSERT_TRUE(custom_bin);
 
-    ASSERT_NO_THROW(pipeline->add(custom_bin)->add(queue)->add(file_sink));
-    ASSERT_NO_THROW(custom_bin->link(queue)->link(file_sink));
+  ASSERT_NO_THROW(pipeline->add(custom_bin)->add(queue)->add(file_sink));
+  ASSERT_NO_THROW(custom_bin->link(queue)->link(file_sink));
 
-    Glib::RefPtr<Gst::Bus> bus = pipeline->get_bus();
-    ASSERT_TRUE(bus);
-    bus->add_watch(sigc::ptr_fun(&on_bus_message));
+  Glib::RefPtr<Gst::Bus> bus = pipeline->get_bus();
+  ASSERT_TRUE(bus);
+  bus->add_watch(sigc::ptr_fun(&on_bus_message));
 
-    custom_bin->set_location(input_png);
+  custom_bin->set_location(input_png);
 
-    file_sink->property_location() = output_jpg;
+  file_sink->property_location() = output_jpg;
 
-    pipeline->set_state(STATE_PLAYING);
-    mainloop->run();
+  pipeline->set_state(STATE_PLAYING);
+  mainloop->run();
 
-    pipeline->set_state(Gst::STATE_NULL);
+  pipeline->set_state(Gst::STATE_NULL);
 }
diff --git a/tests/regression/test-regression-binplugin.cc b/tests/regression/test-regression-binplugin.cc
index 5a25f68..160dfd7 100644
--- a/tests/regression/test-regression-binplugin.cc
+++ b/tests/regression/test-regression-binplugin.cc
@@ -18,59 +18,57 @@ RefPtr<Glib::MainLoop> mainloop;
 
 bool on_bus_message(const RefPtr<Bus>&, const Glib::RefPtr<Message>& message)
 {
-    switch(message->get_message_type())
-    {
-        case MESSAGE_EOS:
-            mainloop->quit();
-            return false;
-        case MESSAGE_ERROR:
-        {
-            mainloop->quit();
-            return false;
-        }
-        default:
-            break;
-    }
+  switch(message->get_message_type())
+  {
+  case MESSAGE_EOS:
+    mainloop->quit();
+    return false;
+  case MESSAGE_ERROR:
+    mainloop->quit();
+    return false;
+  default:
+    break;
+  }
 
-    return true;
+  return true;
 }
 
 TEST(BinPluginRegressionTest, DISABLED_ShouldDecodeAndEncodeFile)
 {
-    Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "pluginbin",
-                "pluginbin is example of C++ element", sigc::ptr_fun(&PluginBin::register_pluginbin), "0.1",
-                "LGPL", "source?", "package?", "http://example.com";);
+  Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "pluginbin",
+              "pluginbin is example of C++ element", sigc::ptr_fun(&PluginBin::register_pluginbin), "0.1",
+              "LGPL", "source?", "package?", "http://example.com";);
 
-    Glib::ustring input_png = "resources/input-image.png",
-            output_jpg = "resources/test-regression-binplugin-output-image.jpg";
+  Glib::ustring input_png = "resources/input-image.png",
+          output_jpg = "resources/test-regression-binplugin-output-image.jpg";
 
-    mainloop = Glib::MainLoop::create();
-    ASSERT_TRUE(mainloop);
-    RefPtr<Element> pluginbin = Gst::ElementFactory::create_element("pluginbin", "sample-pluginbin");
-    ASSERT_TRUE(pluginbin);
-    RefPtr<Element> jpg_encoder = ElementFactory::create_element("queue");
-    ASSERT_TRUE(jpg_encoder);
-    RefPtr<FileSink> file_sink = FileSink::create("file-sink");
-    ASSERT_TRUE(file_sink);
-    RefPtr<Pipeline> pipeline = Pipeline::create("image-converter-pipeline");
-    ASSERT_TRUE(pipeline);
+  mainloop = Glib::MainLoop::create();
+  ASSERT_TRUE(mainloop);
+  RefPtr<Element> pluginbin = Gst::ElementFactory::create_element("pluginbin", "sample-pluginbin");
+  ASSERT_TRUE(pluginbin);
+  RefPtr<Element> jpg_encoder = ElementFactory::create_element("queue");
+  ASSERT_TRUE(jpg_encoder);
+  RefPtr<FileSink> file_sink = FileSink::create("file-sink");
+  ASSERT_TRUE(file_sink);
+  RefPtr<Pipeline> pipeline = Pipeline::create("image-converter-pipeline");
+  ASSERT_TRUE(pipeline);
 
-    ASSERT_NO_THROW(pipeline->add(pluginbin)->add(jpg_encoder)->add(file_sink));
-    ASSERT_NO_THROW(pluginbin->link(jpg_encoder)->link(file_sink));
+  ASSERT_NO_THROW(pipeline->add(pluginbin)->add(jpg_encoder)->add(file_sink));
+  ASSERT_NO_THROW(pluginbin->link(jpg_encoder)->link(file_sink));
 
-    Glib::RefPtr<Gst::Bus> bus = pipeline->get_bus();
-    ASSERT_TRUE(bus);
-    bus->add_watch(sigc::ptr_fun(&on_bus_message));
+  Glib::RefPtr<Gst::Bus> bus = pipeline->get_bus();
+  ASSERT_TRUE(bus);
+  bus->add_watch(sigc::ptr_fun(&on_bus_message));
 
-    pluginbin->set_property("location", input_png);
-    file_sink->property_location() = output_jpg;
+  pluginbin->set_property("location", input_png);
+  file_sink->property_location() = output_jpg;
 
-    pipeline->set_state(STATE_PLAYING);
-    mainloop->run();
+  pipeline->set_state(STATE_PLAYING);
+  mainloop->run();
 
-    pipeline->set_state(Gst::STATE_NULL);
+  pipeline->set_state(Gst::STATE_NULL);
 
-    struct stat st;
-    stat(output_jpg.c_str(), &st);
-    ASSERT_TRUE( st.st_size > 0 ); // weak checking
+  struct stat st;
+  stat(output_jpg.c_str(), &st);
+  ASSERT_TRUE( st.st_size > 0 ); // weak checking
 }
diff --git a/tests/regression/test-regression-rewritefile.cc b/tests/regression/test-regression-rewritefile.cc
index 41935fa..72fff18 100644
--- a/tests/regression/test-regression-rewritefile.cc
+++ b/tests/regression/test-regression-rewritefile.cc
@@ -18,56 +18,54 @@ RefPtr<Glib::MainLoop> mainloop;
 
 bool on_bus_message(const RefPtr<Bus>&, const Glib::RefPtr<Message>& message)
 {
-    switch(message->get_message_type())
-    {
-        case Gst::MESSAGE_EOS:
-            mainloop->quit();
-            return false;
-        case Gst::MESSAGE_ERROR:
-        {
-            mainloop->quit();
-            return false;
-        }
-        default:
-            break;
-    }
-
-    return true;
+  switch(message->get_message_type())
+  {
+  case Gst::MESSAGE_EOS:
+    mainloop->quit();
+    return false;
+  case Gst::MESSAGE_ERROR:
+    mainloop->quit();
+    return false;
+  default:
+    break;
+  }
+
+  return true;
 }
 
 TEST(RegressionRewriteFileTest, CreateAndRewriteFile)
 {
-    Glib::ustring input_filename = "test.ogg",
-            output_filename = "output.ogg";
+  Glib::ustring input_filename = "test.ogg",
+          output_filename = "output.ogg";
 
-    GenerateSampleOggFile(20, input_filename);
+  GenerateSampleOggFile(20, input_filename);
 
-    Glib::RefPtr<Gst::Pipeline> pipeline;
-    RefPtr<FileSrc> filesrc = Gst::FileSrc::create();
-    ASSERT_TRUE(filesrc);
+  Glib::RefPtr<Gst::Pipeline> pipeline;
+  RefPtr<FileSrc> filesrc = Gst::FileSrc::create();
+  ASSERT_TRUE(filesrc);
 
-    filesrc->property_location() = input_filename;
+  filesrc->property_location() = input_filename;
 
-    mainloop = Glib::MainLoop::create();
-    pipeline = Gst::Pipeline::create("rewriter");
-    Glib::RefPtr<Gst::FileSink> filesink = Gst::FileSink::create();
-    ASSERT_TRUE(filesink);
+  mainloop = Glib::MainLoop::create();
+  pipeline = Gst::Pipeline::create("rewriter");
+  Glib::RefPtr<Gst::FileSink> filesink = Gst::FileSink::create();
+  ASSERT_TRUE(filesink);
 
-    filesink->property_location() = output_filename;
+  filesink->property_location() = output_filename;
 
-    Glib::RefPtr<Gst::Bus> bus = pipeline->get_bus();
-    bus->add_watch(sigc::ptr_fun(&on_bus_message));
+  Glib::RefPtr<Gst::Bus> bus = pipeline->get_bus();
+  bus->add_watch(sigc::ptr_fun(&on_bus_message));
 
-    pipeline->add(filesrc)->add(filesink);
+  pipeline->add(filesrc)->add(filesink);
 
-    pipeline->set_state(Gst::STATE_PLAYING);
-    filesrc->link(filesink);
-    mainloop->run();
+  pipeline->set_state(Gst::STATE_PLAYING);
+  filesrc->link(filesink);
+  mainloop->run();
 
-    pipeline->set_state(Gst::STATE_NULL);
+  pipeline->set_state(Gst::STATE_NULL);
 
-    EXPECT_TRUE(FilesEqual(input_filename, output_filename));
+  EXPECT_TRUE(FilesEqual(input_filename, output_filename));
 
-    remove(input_filename.c_str());
-    remove(output_filename.c_str());
+  remove(input_filename.c_str());
+  remove(output_filename.c_str());
 }
diff --git a/tests/regression/test-regression-seekonstartup.cc 
b/tests/regression/test-regression-seekonstartup.cc
index 5e0fb82..f444639 100644
--- a/tests/regression/test-regression-seekonstartup.cc
+++ b/tests/regression/test-regression-seekonstartup.cc
@@ -24,30 +24,30 @@ gboolean was_check = 0;
 
 bool on_timeout()
 {
-    gint64 pos;
+  gint64 pos;
 
-    if (pipeline->query_position(FORMAT_TIME, pos))
-    {
-        EXPECT_EQ(2000000000, pos);
-        g_atomic_int_set(&was_check, 1);
-        was_check = true;
+  if (pipeline->query_position(FORMAT_TIME, pos))
+  {
+    EXPECT_EQ(2000000000, pos);
+    g_atomic_int_set(&was_check, 1);
+    was_check = true;
 
-        return FALSE;
-    }
+    return FALSE;
+  }
 
-    return TRUE;
+  return TRUE;
 }
 
 void dec_counter()
 {
-    if (prerolled)
-        return;
-
-    if (g_atomic_int_dec_and_test (&counter))
-    {
-        prerolled = true;
-        bus->post(MessageApplication::create(pipeline, Structure("empty")));
-    }
+  if (prerolled)
+    return;
+
+  if (g_atomic_int_dec_and_test (&counter))
+  {
+    prerolled = true;
+    bus->post(MessageApplication::create(pipeline, Structure("empty")));
+  }
 }
 
 PadProbeReturn cb_blocked (const RefPtr <Pad>& /* pad */, const PadProbeInfo& /* info */)
@@ -62,100 +62,93 @@ PadProbeReturn cb_blocked (const RefPtr <Pad>& /* pad */, const PadProbeInfo& /*
 
 bool on_bus_message(const RefPtr<Bus>&, const Glib::RefPtr<Message>& message)
 {
-    switch(message->get_message_type())
-    {
-        case MESSAGE_EOS:
-            mainloop->quit();
-            return false;
-        case MESSAGE_ERROR:
-        {
-            mainloop->quit();
-            return false;
-        }
-        case GST_MESSAGE_APPLICATION:
-        {
-            pipeline->seek(1.0, FORMAT_TIME,
-                    (SeekFlags)(SEEK_FLAG_FLUSH | SEEK_FLAG_ACCURATE),
-                    SEEK_TYPE_SET, 2 * SECOND,
-                    SEEK_TYPE_SET, 3 * SECOND);
-              pipeline->set_state(STATE_PLAYING);
-
-            break;
-          }
-        default:
-            break;
-    }
-    return true;
+  switch(message->get_message_type())
+  {
+  case MESSAGE_EOS:
+    mainloop->quit();
+    return false;
+  case MESSAGE_ERROR:
+    mainloop->quit();
+    return false;
+  case GST_MESSAGE_APPLICATION:
+    pipeline->seek(1.0, FORMAT_TIME,
+                   (SeekFlags)(SEEK_FLAG_FLUSH | SEEK_FLAG_ACCURATE),
+                   SEEK_TYPE_SET, 2 * SECOND,
+                   SEEK_TYPE_SET, 3 * SECOND);
+    pipeline->set_state(STATE_PLAYING);
+    break;
+  default:
+    break;
+  }
+
+  return true;
 }
 
 void on_pad_added(const RefPtr<Pad>& newPad)
 {
-    if (prerolled)
-        return;
+  if (prerolled)
+    return;
 
-    g_atomic_int_inc(&counter);
+  g_atomic_int_inc(&counter);
 
-    newPad->add_probe(PAD_PROBE_TYPE_BLOCK_DOWNSTREAM, sigc::ptr_fun(&cb_blocked));
+  newPad->add_probe(PAD_PROBE_TYPE_BLOCK_DOWNSTREAM, sigc::ptr_fun(&cb_blocked));
 
-    PadLinkReturn ret = newPad->link(sink_pad);
+  PadLinkReturn ret = newPad->link(sink_pad);
 
-    ASSERT_TRUE(PAD_LINK_OK == ret || PAD_LINK_WAS_LINKED == ret);
+  ASSERT_TRUE(PAD_LINK_OK == ret || PAD_LINK_WAS_LINKED == ret);
 }
 
 void no_more_pads()
 {
-    if (prerolled)
-        return;
+  if (prerolled)
+    return;
 
-    dec_counter();
+  dec_counter();
 }
 
 TEST(RegressionSeekOnStartupTest, SeekToPositionWhenPipelineStarts)
 {
-    Glib::ustring input_filename = "test.ogg";
+  Glib::ustring input_filename = "test.ogg";
 
-    GenerateSampleOggFile(100, input_filename);
+  GenerateSampleOggFile(100, input_filename);
 
-    mainloop = Glib::MainLoop::create();
-    pipeline = Pipeline::create("seekonstartup-pipeline");
-    ASSERT_TRUE(pipeline);
-    bus = pipeline->get_bus();
-    ASSERT_TRUE(bus);
-    bus->add_watch(sigc::ptr_fun(&on_bus_message));
+  mainloop = Glib::MainLoop::create();
+  pipeline = Pipeline::create("seekonstartup-pipeline");
+  ASSERT_TRUE(pipeline);
+  bus = pipeline->get_bus();
+  ASSERT_TRUE(bus);
+  bus->add_watch(sigc::ptr_fun(&on_bus_message));
 
-    RefPtr<Element> src = ElementFactory::create_element("uridecodebin"),
-            csp = ElementFactory::create_element("videoconvert"),
-            vs = ElementFactory::create_element("videoscale"),
-            sink = ElementFactory::create_element("ximagesink");
+  RefPtr<Element> src = ElementFactory::create_element("uridecodebin"),
+      csp = ElementFactory::create_element("videoconvert"),
+      vs = ElementFactory::create_element("videoscale"),
+      sink = ElementFactory::create_element("ximagesink");
 
-    ASSERT_TRUE(src);
-    ASSERT_TRUE(csp);
-    ASSERT_TRUE(vs);
-    ASSERT_TRUE(sink);
+  ASSERT_TRUE(src);
+  ASSERT_TRUE(csp);
+  ASSERT_TRUE(vs);
+  ASSERT_TRUE(sink);
 
-    ASSERT_NO_THROW(src->set_property("uri", URIHandler::filename_to_uri(input_filename)));
+  ASSERT_NO_THROW(src->set_property("uri", URIHandler::filename_to_uri(input_filename)));
 
-    ASSERT_NO_THROW(pipeline->add(src)->add(csp)->add(vs)->add(sink));
-    ASSERT_NO_THROW(csp->link(vs)->link(sink));
+  ASSERT_NO_THROW(pipeline->add(src)->add(csp)->add(vs)->add(sink));
+  ASSERT_NO_THROW(csp->link(vs)->link(sink));
 
-    sink_pad = csp->get_static_pad("sink");
+  sink_pad = csp->get_static_pad("sink");
 
-    g_atomic_int_set(&counter, 1);
+  g_atomic_int_set(&counter, 1);
 
-    src->signal_pad_added().connect(sigc::ptr_fun(&on_pad_added));
-    src->signal_no_more_pads().connect(sigc::ptr_fun(&no_more_pads));
+  src->signal_pad_added().connect(sigc::ptr_fun(&on_pad_added));
+  src->signal_no_more_pads().connect(sigc::ptr_fun(&no_more_pads));
 
-    pipeline->set_state(STATE_PAUSED);
+  pipeline->set_state(STATE_PAUSED);
 
-    Glib::signal_timeout().connect(sigc::ptr_fun(&on_timeout), 0);
-    mainloop->run();
+  Glib::signal_timeout().connect(sigc::ptr_fun(&on_timeout), 0);
+  mainloop->run();
 
-    pipeline->set_state(Gst::STATE_NULL);
+  pipeline->set_state(Gst::STATE_NULL);
 
-    ASSERT_TRUE(was_check);
+  ASSERT_TRUE(was_check);
 
-    remove(input_filename.c_str());
+  remove(input_filename.c_str());
 }
-
-
-
diff --git a/tests/regression/test-regression-videoduration.cc 
b/tests/regression/test-regression-videoduration.cc
index b1a00b9..cb80483 100644
--- a/tests/regression/test-regression-videoduration.cc
+++ b/tests/regression/test-regression-videoduration.cc
@@ -20,81 +20,77 @@ RefPtr<Gst::Pipeline> pipeline;
 
 bool on_bus_message(const RefPtr<Bus>&, const Glib::RefPtr<Message>& message)
 {
-    switch(message->get_message_type())
-    {
-        case Gst::MESSAGE_EOS:
-            mainloop->quit();
-            return false;
-        case Gst::MESSAGE_ERROR:
-        {
-            mainloop->quit();
-            return false;
-        }
-        default:
-            break;
-    }
-
-    return true;
+  switch(message->get_message_type())
+  {
+  case Gst::MESSAGE_EOS:
+    mainloop->quit();
+    return false;
+  case Gst::MESSAGE_ERROR:
+    mainloop->quit();
+    return false;
+  default:
+    break;
+  }
+
+  return true;
 }
 
 void on_pad_added(const Glib::RefPtr<Gst::Pad>& newPad)
 {
-    RefPtr<Gst::Pad> sinkPad = decoder->get_static_pad("sink");
-    PadLinkReturn ret = newPad->link(sinkPad);
+  RefPtr<Gst::Pad> sinkPad = decoder->get_static_pad("sink");
+  PadLinkReturn ret = newPad->link(sinkPad);
 
-    ASSERT_TRUE(PAD_LINK_OK == ret || PAD_LINK_WAS_LINKED == ret);
+  ASSERT_TRUE(PAD_LINK_OK == ret || PAD_LINK_WAS_LINKED == ret);
 }
 
 
 bool on_timeout()
 {
-    gint64 len;
+  gint64 len;
 
-    if (pipeline->query_duration(FORMAT_TIME, len))
-    {
-        EXPECT_EQ(333333333, len);
-        return FALSE;
-    }
+  if (pipeline->query_duration(FORMAT_TIME, len))
+  {
+    EXPECT_EQ(333333333, len);
+    return FALSE;
+  }
 
-    return TRUE;
+  return TRUE;
 }
 
 TEST(RegressionVideodurationTest, CreateVideoAndCheckDuration)
 {
-    Glib::ustring input_filename = "test.ogg";
+  Glib::ustring input_filename = "test.ogg";
 
-    GenerateSampleOggFile(10, input_filename);
+  GenerateSampleOggFile(10, input_filename);
 
-    RefPtr<FileSrc> filesrc = Gst::FileSrc::create();
-    ASSERT_TRUE(filesrc);
+  RefPtr<FileSrc> filesrc = Gst::FileSrc::create();
+  ASSERT_TRUE(filesrc);
 
-    filesrc->property_location() = input_filename;
+  filesrc->property_location() = input_filename;
 
-    mainloop = Glib::MainLoop::create();
-    pipeline = Pipeline::create("rewriter");
-    RefPtr<Element> sink = ElementFactory::create_element("fakesink"),
-            demuxer = ElementFactory::create_element("oggdemux");
-    decoder = ElementFactory::create_element("theoradec");
-    ASSERT_TRUE(sink);
-    ASSERT_TRUE(demuxer);
-    ASSERT_TRUE(decoder);
+  mainloop = Glib::MainLoop::create();
+  pipeline = Pipeline::create("rewriter");
+  RefPtr<Element> sink = ElementFactory::create_element("fakesink"),
+        demuxer = ElementFactory::create_element("oggdemux");
+  decoder = ElementFactory::create_element("theoradec");
+  ASSERT_TRUE(sink);
+  ASSERT_TRUE(demuxer);
+  ASSERT_TRUE(decoder);
 
-    RefPtr<Bus> bus = pipeline->get_bus();
-    bus->add_watch(sigc::ptr_fun(&on_bus_message));
+  RefPtr<Bus> bus = pipeline->get_bus();
+  bus->add_watch(sigc::ptr_fun(&on_bus_message));
 
-    pipeline->add(filesrc)->add(demuxer)->add(decoder)->add(sink);
-    filesrc->link(demuxer);
-    decoder->link(sink);
+  pipeline->add(filesrc)->add(demuxer)->add(decoder)->add(sink);
+  filesrc->link(demuxer);
+  decoder->link(sink);
 
-    demuxer->signal_pad_added().connect(sigc::ptr_fun(&on_pad_added));
+  demuxer->signal_pad_added().connect(sigc::ptr_fun(&on_pad_added));
 
-    pipeline->set_state(Gst::STATE_PLAYING);
-    Glib::signal_timeout().connect(sigc::ptr_fun(&on_timeout), 0);
-    mainloop->run();
+  pipeline->set_state(Gst::STATE_PLAYING);
+  Glib::signal_timeout().connect(sigc::ptr_fun(&on_timeout), 0);
+  mainloop->run();
 
-    pipeline->set_state(Gst::STATE_NULL);
+  pipeline->set_state(Gst::STATE_NULL);
 
-    remove(input_filename.c_str());
+  remove(input_filename.c_str());
 }
-
-
diff --git a/tests/regression/utils.cc b/tests/regression/utils.cc
index 95308dc..69c4986 100644
--- a/tests/regression/utils.cc
+++ b/tests/regression/utils.cc
@@ -19,18 +19,16 @@ RefPtr<Glib::MainLoop> utils_mainloop;
 
 bool utils_on_bus_message(const RefPtr<Bus>&, const Glib::RefPtr<Message>& message)
 {
-    switch(message->get_message_type())
-    {
-        case Gst::MESSAGE_EOS:
-            utils_mainloop->quit();
-            return false;
-        case Gst::MESSAGE_ERROR:
-        {
-            utils_mainloop->quit();
-            return false;
-        }
-        default:
-            break;
+  switch(message->get_message_type())
+  {
+  case Gst::MESSAGE_EOS:
+    utils_mainloop->quit();
+    return false;
+  case Gst::MESSAGE_ERROR:
+    utils_mainloop->quit();
+    return false;
+  default:
+    break;
   }
 
   return true;
@@ -38,43 +36,42 @@ bool utils_on_bus_message(const RefPtr<Bus>&, const Glib::RefPtr<Message>& messa
 
 void GenerateSampleOggFile(int num_buffers, const Glib::ustring& filename)
 {
-    RefPtr<Pipeline> pipeline = Pipeline::create("create-ogg");
-    RefPtr<VideoTestSrc> source = VideoTestSrc::create("testsource");
-    RefPtr<Element> encoder = ElementFactory::create_element("theoraenc"),
-            muxer = ElementFactory::create_element("oggmux");
-    RefPtr<FileSink> sink = FileSink::create("fsink");
+  RefPtr<Pipeline> pipeline = Pipeline::create("create-ogg");
+  RefPtr<VideoTestSrc> source = VideoTestSrc::create("testsource");
+  RefPtr<Element> encoder = ElementFactory::create_element("theoraenc"),
+      muxer = ElementFactory::create_element("oggmux");
+  RefPtr<FileSink> sink = FileSink::create("fsink");
     //RefPtr<Element> sink = ElementFactory::create_element("xvimagesink");
 
-    Glib::RefPtr<Gst::Bus> bus = pipeline->get_bus();
-    bus->add_watch(sigc::ptr_fun(&utils_on_bus_message));
+  Glib::RefPtr<Gst::Bus> bus = pipeline->get_bus();
+  bus->add_watch(sigc::ptr_fun(&utils_on_bus_message));
 
-    utils_mainloop = Glib::MainLoop::create();
+  utils_mainloop = Glib::MainLoop::create();
 
-    pipeline->add(source)->add(encoder)->add(muxer)->add(sink);
+  pipeline->add(source)->add(encoder)->add(muxer)->add(sink);
 
-    source->property_num_buffers() = num_buffers;
-    sink->property_location() = filename;
+  source->property_num_buffers() = num_buffers;
+  sink->property_location() = filename;
 
-    muxer->link(sink);
-    source->link(encoder);
-    encoder->link(muxer);
+  muxer->link(sink);
+  source->link(encoder);
+  encoder->link(muxer);
 
-    pipeline->set_state(Gst::STATE_PLAYING);
+  pipeline->set_state(Gst::STATE_PLAYING);
 
-    utils_mainloop->run();
-    pipeline->set_state(Gst::STATE_NULL);
+  utils_mainloop->run();
+  pipeline->set_state(Gst::STATE_NULL);
 }
 
 bool FilesEqual(const string& filename1, const string& filename2)
 {
-    std::ifstream f1(filename1, ios::binary),
-            f2(filename2, ios::binary);
+  std::ifstream f1(filename1, ios::binary),
+        f2(filename2, ios::binary);
 
-    string buf(istreambuf_iterator<char>(f1),
-                (istreambuf_iterator<char>()));
+  string buf(istreambuf_iterator<char>(f1),
+             (istreambuf_iterator<char>()));
 
-    return equal(buf.begin(), buf.end(),
+  return equal(buf.begin(), buf.end(),
             string(istreambuf_iterator<char>(f2),
                     (istreambuf_iterator<char>())).begin());
 }
-
diff --git a/tests/test-allocator.cc b/tests/test-allocator.cc
index bbff25b..e21adcc 100644
--- a/tests/test-allocator.cc
+++ b/tests/test-allocator.cc
@@ -45,33 +45,33 @@ TEST(AllocatorTest, ShouldCorrectAllocateMemory)
 
 class DerivedFromAllocator : public Gst::Allocator
 {
-    Glib::RefPtr<Gst::Allocator> the_allocator;
+  Glib::RefPtr<Gst::Allocator> the_allocator;
 
 public:
-    explicit DerivedFromAllocator(GstAllocator *gobj)
-        : Glib::ObjectBase(typeid (DerivedFromAllocator)),
-          Gst::Allocator(gobj),
-          the_allocator(Allocator::get_default_allocator())
-    {
-    }
-
-    virtual Glib::RefPtr<Gst::Memory> alloc_vfunc(gsize size, AllocationParams params)
-    {
-      Glib::RefPtr<Gst::Memory> r = the_allocator->alloc(size, params);
-      r->gobj()->allocator = gobj(); // pretend that it was us who allocated this memory
-      return r;
-    }
-
-    void free_vfunc(Glib::RefPtr<Gst::Memory>&& memory) override
-    {
-      memory->gobj()->allocator = the_allocator->gobj(); // pretend that it was the_allocator who allocated 
this memory
-      the_allocator->free(std::move(memory));
-    }
-
-    static Glib::RefPtr<Allocator> create()
-    {
-      return Glib::RefPtr<Allocator>(new 
DerivedFromAllocator((GstAllocator*)g_object_new(Allocator::get_type(), NULL)));
-    }
+  explicit DerivedFromAllocator(GstAllocator *gobj)
+  : Glib::ObjectBase(typeid (DerivedFromAllocator)),
+    Gst::Allocator(gobj),
+    the_allocator(Allocator::get_default_allocator())
+  {
+  }
+
+  virtual Glib::RefPtr<Gst::Memory> alloc_vfunc(gsize size, AllocationParams params)
+  {
+    Glib::RefPtr<Gst::Memory> r = the_allocator->alloc(size, params);
+    r->gobj()->allocator = gobj(); // pretend that it was us who allocated this memory
+    return r;
+  }
+
+  void free_vfunc(Glib::RefPtr<Gst::Memory>&& memory) override
+  {
+    memory->gobj()->allocator = the_allocator->gobj(); // pretend that it was the_allocator who allocated 
this memory
+    the_allocator->free(std::move(memory));
+  }
+
+  static Glib::RefPtr<Allocator> create()
+  {
+    return Glib::RefPtr<Allocator>(new 
DerivedFromAllocator((GstAllocator*)g_object_new(Allocator::get_type(), NULL)));
+  }
 };
 
 TEST(AllocatorTest, DerivedFromAllocatorShouldReturnProperlyRefcountedWrappedGstMemory)
diff --git a/tests/test-atomicqueue.cc b/tests/test-atomicqueue.cc
index 48b8dcc..067658f 100644
--- a/tests/test-atomicqueue.cc
+++ b/tests/test-atomicqueue.cc
@@ -14,48 +14,48 @@ using Glib::RefPtr;
 
 TEST(AtomicQueueTest, ShouldReturnFirstElementInQueueAndNotRemoveIt)
 {
-       RefPtr<AtomicQueue<int> > queue = AtomicQueue<int>::create(2);
-       queue->push(12);
-       queue->push(5);
-       queue->push(9);
+  RefPtr<AtomicQueue<int> > queue = AtomicQueue<int>::create(2);
+  queue->push(12);
+  queue->push(5);
+  queue->push(9);
 
-       ASSERT_EQ(12, queue->peek());
-       ASSERT_EQ(3u, queue->length());
+  ASSERT_EQ(12, queue->peek());
+  ASSERT_EQ(3u, queue->length());
 }
 
 TEST(AtomicQueueTest, ShouldThrowExceptionOnPeekIfQueueIsEmpty)
 {
-       RefPtr<AtomicQueue<int> > queue = AtomicQueue<int>::create(2);
+  RefPtr<AtomicQueue<int> > queue = AtomicQueue<int>::create(2);
 
-       EXPECT_THROW(queue->peek(), std::runtime_error);
+  EXPECT_THROW(queue->peek(), std::runtime_error);
 }
 
 TEST(AtomicQueueTest, ShouldReturnFirstElementAndRemoveIt)
 {
-       RefPtr<AtomicQueue<int> > queue = AtomicQueue<int>::create(2);
-       queue->push(7);
-       queue->push(14);
-       queue->push(10);
+  RefPtr<AtomicQueue<int> > queue = AtomicQueue<int>::create(2);
+  queue->push(7);
+  queue->push(14);
+  queue->push(10);
 
-       ASSERT_EQ(7, queue->pop());
-       ASSERT_EQ(2u, queue->length());
+  ASSERT_EQ(7, queue->pop());
+  ASSERT_EQ(2u, queue->length());
 }
 
 TEST(AtomicQueueTest, ShouldImitateGstAtomicQueueStructByGpointerAsTemplate)
 {
-       RefPtr<AtomicQueue<gpointer> > queue = AtomicQueue<gpointer>::create(2);
-       int* data = new int(5);
-       GstElement* element = gst_element_factory_make("fakesrc", "dummy-name");
-       queue->push(data);
-       queue->push(element);
-
-       int* new_data = static_cast<int*>(queue->pop());
-       GstElement* new_element = static_cast<GstElement*>(queue->pop());
-       ASSERT_EQ(*new_data, *data);
-       ASSERT_TRUE(GST_IS_ELEMENT(element));
-       ASSERT_EQ(new_element, element);
-       EXPECT_STREQ("dummy-name", gst_element_get_name(new_element));
-       delete new_data;
-       ASSERT_EQ(1u, GST_OBJECT_REFCOUNT(element));
-       gst_object_unref(element);
+  RefPtr<AtomicQueue<gpointer> > queue = AtomicQueue<gpointer>::create(2);
+  int* data = new int(5);
+  GstElement* element = gst_element_factory_make("fakesrc", "dummy-name");
+  queue->push(data);
+  queue->push(element);
+
+  int* new_data = static_cast<int*>(queue->pop());
+  GstElement* new_element = static_cast<GstElement*>(queue->pop());
+  ASSERT_EQ(*new_data, *data);
+  ASSERT_TRUE(GST_IS_ELEMENT(element));
+  ASSERT_EQ(new_element, element);
+  EXPECT_STREQ("dummy-name", gst_element_get_name(new_element));
+  delete new_data;
+  ASSERT_EQ(1u, GST_OBJECT_REFCOUNT(element));
+  gst_object_unref(element);
 }
diff --git a/tests/test-buffer.cc b/tests/test-buffer.cc
index bc946a1..9dcbac7 100644
--- a/tests/test-buffer.cc
+++ b/tests/test-buffer.cc
@@ -2,7 +2,7 @@
  * test-buffer.cc
  *
  *  Created on: Jul 31, 2013
- *      Author: m.kolny
+ *    Author: m.kolny
  */
 
 #include <gtest/gtest.h>
@@ -13,25 +13,25 @@ using namespace Gst;
 
 TEST(BufferTest, CheckBufferSize)
 {
-    gsize buff_size = 23;
-    Glib::RefPtr<Buffer> buf = Buffer::create(buff_size);
-    Glib::RefPtr<MapInfo> map_info(new MapInfo());
+  gsize buff_size = 23;
+  Glib::RefPtr<Buffer> buf = Buffer::create(buff_size);
+  Glib::RefPtr<MapInfo> map_info(new MapInfo());
 
-    buf->map(map_info, MAP_READ);
+  buf->map(map_info, MAP_READ);
 
-    EXPECT_EQ(buff_size, map_info->get_size());
+  EXPECT_EQ(buff_size, map_info->get_size());
 
-    buf->unmap(map_info);
+  buf->unmap(map_info);
 }
 
 TEST(BufferTest, CheckBufferFlags)
 {
-    guint buff_flags = 1;
-    Glib::RefPtr<Buffer> buf = Buffer::create();
+  guint buff_flags = 1;
+  Glib::RefPtr<Buffer> buf = Buffer::create();
 
-    buf->set_flags(buff_flags);
+  buf->set_flags(buff_flags);
 
-    EXPECT_EQ(buff_flags, buf->get_flags());
+  EXPECT_EQ(buff_flags, buf->get_flags());
 }
 
 TEST(BufferTest, PeekedMemoryShouldExistsEvenWhenBufferWillBeDestroyed)
@@ -56,7 +56,7 @@ TEST(BufferTest, ShouldInsertMemoryObjectAndResetItButAllowToMakeExplicityRef)
   buf->insert_memory(0, std::move(mem));
   ASSERT_FALSE(mem);
   ASSERT_EQ(2, mem2->gobj()->mini_object.refcount); // two - one handled by mem2,
-                                                    //and the second by memory stored in buffer
+                          //and the second by memory stored in buffer
 }
 
 TEST(BufferTest, ShouldGetMemoryRangeAndIncreaseRefcount)
@@ -126,7 +126,7 @@ TEST(BufferTest, CheckRefcountAppendBufferToBuffer)
 
   { // buf1 not writable
     Glib::RefPtr<Gst::Buffer> buf2 = Gst::Buffer::create(6);
-    Glib::RefPtr<Gst::Buffer> dummy = buf1;
+  Glib::RefPtr<Gst::Buffer> dummy = buf1;
     Glib::RefPtr<Gst::Buffer> b = buf1->append(std::move(buf2));
     ASSERT_FALSE(buf2);
     ASSERT_EQ(2, buf1->get_refcount()); // dummy + buf1
diff --git a/tests/test-bus.cc b/tests/test-bus.cc
index 0ae919e..712d34b 100644
--- a/tests/test-bus.cc
+++ b/tests/test-bus.cc
@@ -2,7 +2,7 @@
  * test-bus.cc
  *
  *  Created on: Aug 1, 2013
- *      Author: m.kolny
+ *    Author: m.kolny
  */
 
 #include <gtest/gtest.h>
@@ -13,51 +13,51 @@ using namespace Gst;
 class BusTest : public ::testing::Test
 {
 protected:
-    Glib::RefPtr<Bus> bus;
-    Glib::RefPtr<Message> message;
-
-    void PostMessage()
-    {
-        bool message_posted = bus->post(MessageEos::create(Glib::RefPtr<Object>()));
-        ASSERT_TRUE(message_posted);
-    }
-
-    void CheckPending(bool expected = true)
-    {
-        bool have_pending = bus->have_pending();
-        EXPECT_EQ(expected, have_pending);
-    }
+  Glib::RefPtr<Bus> bus;
+  Glib::RefPtr<Message> message;
+
+  void PostMessage()
+  {
+    bool message_posted = bus->post(MessageEos::create(Glib::RefPtr<Object>()));
+    ASSERT_TRUE(message_posted);
+  }
+
+  void CheckPending(bool expected = true)
+  {
+    bool have_pending = bus->have_pending();
+    EXPECT_EQ(expected, have_pending);
+  }
 };
 
 TEST_F(BusTest, CorrectCreateBus)
 {
-    bus = Bus::create();
+  bus = Bus::create();
 
-    ASSERT_TRUE(bus);
+  ASSERT_TRUE(bus);
 }
 
 TEST_F(BusTest, PostMessageAndPeekIt)
 {
-    bus = Bus::create();
+  bus = Bus::create();
 
-    PostMessage();
-    CheckPending();
+  PostMessage();
+  CheckPending();
 
-    Glib::RefPtr<Message> msg = bus->peek();
+  Glib::RefPtr<Message> msg = bus->peek();
 
-    ASSERT_TRUE(msg);
+  ASSERT_TRUE(msg);
 }
 
 TEST_F(BusTest, PostMessageAndPopIt)
 {
-    bus = Bus::create();
+  bus = Bus::create();
 
-    PostMessage();
-    CheckPending();
+  PostMessage();
+  CheckPending();
 
-    Glib::RefPtr<Message> msg = bus->pop();
+  Glib::RefPtr<Message> msg = bus->pop();
 
-    ASSERT_TRUE(msg);
+  ASSERT_TRUE(msg);
 
-    CheckPending(false);
+  CheckPending(false);
 }
diff --git a/tests/test-caps.cc b/tests/test-caps.cc
index 873c8b2..388e34e 100644
--- a/tests/test-caps.cc
+++ b/tests/test-caps.cc
@@ -2,7 +2,7 @@
  * test-caps.cc
  *
  *  Created on: Aug 1, 2013
- *      Author: m.kolny
+ *    Author: m.kolny
  */
 
 #include <gtest/gtest.h>
@@ -13,31 +13,31 @@ using namespace Gst;
 class CapsTest : public ::testing::Test
 {
 protected:
-    Glib::RefPtr<Caps> caps;
-
-    static int width;
-    static Fraction framerate;
-
-    template<typename T>
-    void MakeAssert(const T& expected, const T& output)
-    {
-        EXPECT_EQ(expected, output);
-    }
-    void MakeAssert(const Fraction& expected, const Fraction& output)
-    {
-        EXPECT_EQ(expected.denom, output.denom);
-        EXPECT_EQ(expected.num, output.num);
-    }
-
-    template<typename T>
-    void CheckCaps(const Glib::ustring& field_name, T expected, int struct_id = 0)
-    {
-        T output;
-        bool ok = caps->get_structure(struct_id).get_field(field_name, output);
-
-        ASSERT_TRUE(ok);
-        MakeAssert(expected, output);
-    }
+  Glib::RefPtr<Caps> caps;
+
+  static int width;
+  static Fraction framerate;
+
+  template<typename T>
+  void MakeAssert(const T& expected, const T& output)
+  {
+    EXPECT_EQ(expected, output);
+  }
+  void MakeAssert(const Fraction& expected, const Fraction& output)
+  {
+    EXPECT_EQ(expected.denom, output.denom);
+    EXPECT_EQ(expected.num, output.num);
+  }
+
+  template<typename T>
+  void CheckCaps(const Glib::ustring& field_name, T expected, int struct_id = 0)
+  {
+    T output;
+    bool ok = caps->get_structure(struct_id).get_field(field_name, output);
+
+    ASSERT_TRUE(ok);
+    MakeAssert(expected, output);
+  }
 };
 
 int CapsTest::width = 500;
@@ -45,92 +45,92 @@ Fraction CapsTest::framerate = Fraction(25, 1);
 
 TEST_F(CapsTest, CapsCreateSimple)
 {
-    caps = Caps::create_simple("video/x-raw");
+  caps = Caps::create_simple("video/x-raw");
 
-    ASSERT_TRUE(caps);
+  ASSERT_TRUE(caps);
 }
 
 TEST_F(CapsTest, CapsCreateUsingStructure)
 {
-    Structure caps_struct("test-struct");
-    caps_struct.set_field("width", width);
-    caps_struct.set_field("framerate", framerate);
+  Structure caps_struct("test-struct");
+  caps_struct.set_field("width", width);
+  caps_struct.set_field("framerate", framerate);
 
-    caps = Caps::create(caps_struct);
+  caps = Caps::create(caps_struct);
 
-    CheckCaps("width", width);
-    CheckCaps("framerate", framerate);
+  CheckCaps("width", width);
+  CheckCaps("framerate", framerate);
 }
 
 TEST_F(CapsTest, AppendStructureToCaps)
 {
-    caps = Caps::create_simple("video/x-raw");
+  caps = Caps::create_simple("video/x-raw");
 
-    Structure caps_struct("test-struct");
-    caps_struct.set_field("width", width);
+  Structure caps_struct("test-struct");
+  caps_struct.set_field("width", width);
 
-    caps->set_simple("framerate", framerate);
-    caps->append_structure(caps_struct);
+  caps->set_simple("framerate", framerate);
+  caps->append_structure(caps_struct);
 
-    CheckCaps("width", width, 1);
-    CheckCaps("framerate", framerate);
+  CheckCaps("width", width, 1);
+  CheckCaps("framerate", framerate);
 }
 
 TEST_F(CapsTest, AppendCapsToCaps)
 {
-    caps = Caps::create_simple("video/x-raw");
-    caps->set_simple("framerate", framerate);
+  caps = Caps::create_simple("video/x-raw");
+  caps->set_simple("framerate", framerate);
 
-    Glib::RefPtr<Caps> new_caps = Caps::create_simple("video/x-raw");
-    new_caps->set_simple("width", width);
+  Glib::RefPtr<Caps> new_caps = Caps::create_simple("video/x-raw");
+  new_caps->set_simple("width", width);
 
-    caps->append(std::move(new_caps));
+  caps->append(std::move(new_caps));
 
-    CheckCaps("width", width, 1);
-    CheckCaps("framerate", framerate);
-    ASSERT_FALSE(new_caps);
+  CheckCaps("width", width, 1);
+  CheckCaps("framerate", framerate);
+  ASSERT_FALSE(new_caps);
 }
 
 TEST_F(CapsTest, GetNonExistingValue)
 {
-    caps = Caps::create_simple("video/x-raw");
+  caps = Caps::create_simple("video/x-raw");
 
-    int output;
-    bool ok = caps->get_structure(0).get_field("nonexisting-value", output);
+  int output;
+  bool ok = caps->get_structure(0).get_field("nonexisting-value", output);
 
-    ASSERT_FALSE(ok);
+  ASSERT_FALSE(ok);
 }
 
 TEST_F(CapsTest, SetCapsToElement)
 {
-    Glib::RefPtr<Element> element = ElementFactory::create_element("capsfilter", "filter");
+  Glib::RefPtr<Element> element = ElementFactory::create_element("capsfilter", "filter");
 
-    const char* str_caps = "image/jpeg, framerate=(fraction)2/1";
+  const char* str_caps = "image/jpeg, framerate=(fraction)2/1";
 
-    element->set_property("caps", Caps::create_from_string(str_caps));
-    element->get_property("caps", caps);
+  element->set_property("caps", Caps::create_from_string(str_caps));
+  element->get_property("caps", caps);
 
-    ASSERT_STREQ(str_caps, caps->to_string().c_str());
+  ASSERT_STREQ(str_caps, caps->to_string().c_str());
 }
 
 TEST_F(CapsTest, MergeCaps)
 {
-    Glib::RefPtr<Caps> tmp = Caps::create_from_string("video/x-raw, format=RGBA");
-    Glib::RefPtr<Caps> tmp2 = Caps::create_from_string("video/x-raw, format=RGB");
-    tmp = tmp->merge(std::move(tmp2));
-    ASSERT_EQ(1, tmp->get_refcount());
-    ASSERT_FALSE(tmp2);
+  Glib::RefPtr<Caps> tmp = Caps::create_from_string("video/x-raw, format=RGBA");
+  Glib::RefPtr<Caps> tmp2 = Caps::create_from_string("video/x-raw, format=RGB");
+  tmp = tmp->merge(std::move(tmp2));
+  ASSERT_EQ(1, tmp->get_refcount());
+  ASSERT_FALSE(tmp2);
 }
 
 TEST_F(CapsTest, CapsBoxedType)
 {
-    Glib::RefPtr<Gst::CapsFilter> filter = Gst::CapsFilter::create();
-    Glib::RefPtr<Gst::Caps> any_caps = Gst::Caps::create_any();
-    Glib::RefPtr<Gst::Caps> any_caps2 = Gst::Caps::create_any();
-    ASSERT_EQ(1, any_caps->get_refcount());
-    filter->property_caps() = any_caps;
-    ASSERT_EQ(2, any_caps->get_refcount());
-    filter->property_caps() = any_caps2;
-    ASSERT_EQ(1, any_caps->get_refcount());
-    ASSERT_EQ(2, any_caps2->get_refcount());
+  Glib::RefPtr<Gst::CapsFilter> filter = Gst::CapsFilter::create();
+  Glib::RefPtr<Gst::Caps> any_caps = Gst::Caps::create_any();
+  Glib::RefPtr<Gst::Caps> any_caps2 = Gst::Caps::create_any();
+  ASSERT_EQ(1, any_caps->get_refcount());
+  filter->property_caps() = any_caps;
+  ASSERT_EQ(2, any_caps->get_refcount());
+  filter->property_caps() = any_caps2;
+  ASSERT_EQ(1, any_caps->get_refcount());
+  ASSERT_EQ(2, any_caps2->get_refcount());
 }
diff --git a/tests/test-capsfeatures.cc b/tests/test-capsfeatures.cc
index 0e06c73..ac8af40 100644
--- a/tests/test-capsfeatures.cc
+++ b/tests/test-capsfeatures.cc
@@ -12,17 +12,17 @@ using namespace Gst;
 
 TEST(CapsFeaturesTest, ShouldCorrectCreateEmptyFeature)
 {
-    CapsFeatures features;
-    ASSERT_EQ(0u, features.get_size());
+  CapsFeatures features;
+  ASSERT_EQ(0u, features.get_size());
 }
 
 TEST(CapsFeaturesTest, AddRemoveFeaturesShouldWorkProperly)
 {
-    CapsFeatures features (GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
-    ASSERT_EQ(1u, features.get_size());
-    ASSERT_STREQ(GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY, features.get_nth(0).c_str());
-    features.remove(GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
-    ASSERT_EQ(0u, features.get_size());
+  CapsFeatures features (GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
+  ASSERT_EQ(1u, features.get_size());
+  ASSERT_STREQ(GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY, features.get_nth(0).c_str());
+  features.remove(GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
+  ASSERT_EQ(0u, features.get_size());
 }
 
 
diff --git a/tests/test-ghostpad.cc b/tests/test-ghostpad.cc
index 930798b..12315c5 100644
--- a/tests/test-ghostpad.cc
+++ b/tests/test-ghostpad.cc
@@ -2,7 +2,7 @@
  * test-ghostpad.cc
  *
  *  Created on: Aug 5, 2013
- *      Author: m.kolny
+ *    Author: m.kolny
  */
 
 #include <gtest/gtest.h>
@@ -13,23 +13,23 @@ using Glib::RefPtr;
 
 TEST(GhostPadTest, CreatingGhostPad)
 {
-    Glib::ustring pad_name = "sample_name";
-    PadDirection direction = PAD_SINK;
-    RefPtr<GhostPad> ghost_pad = GhostPad::create(direction, pad_name);
+  Glib::ustring pad_name = "sample_name";
+  PadDirection direction = PAD_SINK;
+  RefPtr<GhostPad> ghost_pad = GhostPad::create(direction, pad_name);
 
-    ASSERT_TRUE(ghost_pad);
-    ASSERT_EQ(direction, ghost_pad->get_direction());
-    ASSERT_STREQ(pad_name.c_str(), ghost_pad->get_name().c_str());
+  ASSERT_TRUE(ghost_pad);
+  ASSERT_EQ(direction, ghost_pad->get_direction());
+  ASSERT_STREQ(pad_name.c_str(), ghost_pad->get_name().c_str());
 }
 
 TEST(GhostPadTest, CreatingGhostPadFromTemplate)
 {
-    PadDirection direction = PAD_SRC;
-    RefPtr<Caps> caps = Caps::create_simple("video/x-raw-yuv");
-    RefPtr<PadTemplate> templ = PadTemplate::create("pad-template", direction, PAD_ALWAYS, caps);
+  PadDirection direction = PAD_SRC;
+  RefPtr<Caps> caps = Caps::create_simple("video/x-raw-yuv");
+  RefPtr<PadTemplate> templ = PadTemplate::create("pad-template", direction, PAD_ALWAYS, caps);
 
-    RefPtr<GhostPad> ghost_pad = GhostPad::create(templ);
+  RefPtr<GhostPad> ghost_pad = GhostPad::create(templ);
 
-    ASSERT_TRUE(ghost_pad);
-    ASSERT_EQ(direction, ghost_pad->get_direction());
+  ASSERT_TRUE(ghost_pad);
+  ASSERT_EQ(direction, ghost_pad->get_direction());
 }
diff --git a/tests/test-pad.cc b/tests/test-pad.cc
index a473fd3..53635fb 100644
--- a/tests/test-pad.cc
+++ b/tests/test-pad.cc
@@ -2,7 +2,7 @@
  * test-pad.cc
  *
  *  Created on: Aug 1, 2013
- *      Author: m.kolny
+ *    Author: m.kolny
  */
 
 #include <gtest/gtest.h>
@@ -13,17 +13,17 @@ using namespace Gst;
 class PadTest : public ::testing::Test
 {
 protected:
-    Glib::RefPtr<Pad> pad;
+  Glib::RefPtr<Pad> pad;
 
-    static Glib::ustring pad_name;
-    static PadDirection pad_direction;
+  static Glib::ustring pad_name;
+  static PadDirection pad_direction;
 
-    void CheckPad()
-    {
-        ASSERT_TRUE(pad);
-        EXPECT_EQ(pad_direction, pad->get_direction());
-        ASSERT_STREQ(pad_name.c_str(), pad->get_name().c_str());
-    }
+  void CheckPad()
+  {
+    ASSERT_TRUE(pad);
+    EXPECT_EQ(pad_direction, pad->get_direction());
+    ASSERT_STREQ(pad_name.c_str(), pad->get_name().c_str());
+  }
 };
 
 PadDirection PadTest::pad_direction = PAD_SINK;
@@ -31,33 +31,33 @@ Glib::ustring PadTest::pad_name = "simple-pad";
 
 TEST_F(PadTest, PadCorrectCreatedUsingPadDirection)
 {
-    pad = Pad::create(pad_name, pad_direction);
+  pad = Pad::create(pad_name, pad_direction);
 
-    CheckPad();
+  CheckPad();
 }
 
 TEST_F(PadTest, PadCorrectCreatedUsingTemplate)
 {
-    Glib::RefPtr<Gst::Caps> caps = Gst::Caps::create_simple("video/x-raw");
-    caps->set_simple("width", 500);
-    caps->set_simple("framerate", Gst::Fraction(25, 1));
+  Glib::RefPtr<Gst::Caps> caps = Gst::Caps::create_simple("video/x-raw");
+  caps->set_simple("width", 500);
+  caps->set_simple("framerate", Gst::Fraction(25, 1));
 
-    Glib::RefPtr<PadTemplate> pad_tpl = PadTemplate::create("source-template", pad_direction, PAD_ALWAYS, 
caps);
+  Glib::RefPtr<PadTemplate> pad_tpl = PadTemplate::create("source-template", pad_direction, PAD_ALWAYS, 
caps);
 
-    pad = Pad::create(pad_tpl, pad_name);
+  pad = Pad::create(pad_tpl, pad_name);
 
-    CheckPad();
+  CheckPad();
 }
 
 TEST_F(PadTest, PadVerifyGetPadTemplateCaps)
 {
-    Glib::RefPtr<Gst::Caps> caps;
-    {
-        Glib::RefPtr<PadTemplate> pad_tpl =
-            PadTemplate::create("source-template", pad_direction, PAD_ALWAYS, Caps::create_any());
-        caps = Pad::create(pad_tpl, pad_name)->get_pad_template_caps();
-    }
-    ASSERT_EQ(1, caps->get_refcount());
+  Glib::RefPtr<Gst::Caps> caps;
+  {
+    Glib::RefPtr<PadTemplate> pad_tpl =
+      PadTemplate::create("source-template", pad_direction, PAD_ALWAYS, Caps::create_any());
+    caps = Pad::create(pad_tpl, pad_name)->get_pad_template_caps();
+  }
+  ASSERT_EQ(1, caps->get_refcount());
 }
 
 TEST_F(PadTest, PadPushVerifyBufferRefcount)
diff --git a/tests/test-query.cc b/tests/test-query.cc
index 63e9aa7..54ac647 100644
--- a/tests/test-query.cc
+++ b/tests/test-query.cc
@@ -2,7 +2,7 @@
  * test-query.cc
  *
  *  Created on: 5 sie 2013
- *      Author: loganek
+ *    Author: loganek
  */
 
 #include <gtest/gtest.h>
@@ -15,47 +15,47 @@ using Glib::RefPtr;
 template<typename QType>
 void CreatingQueryTest(std::function<RefPtr<QType>()> create_method, QueryType type)
 {
-    RefPtr<QType> query = create_method();
+  RefPtr<QType> query = create_method();
 
-    ASSERT_TRUE(query);
-    ASSERT_EQ(type, query->get_query_type());
+  ASSERT_TRUE(query);
+  ASSERT_EQ(type, query->get_query_type());
 }
 
 template<typename QType>
 void CreatingQueryTestStatic(std::function<RefPtr<Query>()> create_method, QueryType type)
 {
-    RefPtr<Query> query = create_method();
+  RefPtr<Query> query = create_method();
 
-    ASSERT_TRUE(query);
-    ASSERT_EQ(type, query->get_query_type());
+  ASSERT_TRUE(query);
+  ASSERT_EQ(type, query->get_query_type());
 
-    RefPtr<QType> query_position = RefPtr<QType>::cast_static(query);
+  RefPtr<QType> query_position = RefPtr<QType>::cast_static(query);
 
-    ASSERT_TRUE(query_position);
+  ASSERT_TRUE(query_position);
 }
 
 TEST(QueryTest, CorrectCreatingQueryBuffering)
 {
-    CreatingQueryTestStatic<QueryBuffering>(
-            std::bind(&Query::create_buffering, FORMAT_BUFFERS), QUERY_BUFFERING);
-    CreatingQueryTest<QueryBuffering>(
-            std::bind(&QueryBuffering::create, FORMAT_BUFFERS), QUERY_BUFFERING);
+  CreatingQueryTestStatic<QueryBuffering>(
+      std::bind(&Query::create_buffering, FORMAT_BUFFERS), QUERY_BUFFERING);
+  CreatingQueryTest<QueryBuffering>(
+      std::bind(&QueryBuffering::create, FORMAT_BUFFERS), QUERY_BUFFERING);
 }
 
 TEST(QueryTest, CorrectCreatingQueryPosition)
 {
-    CreatingQueryTestStatic<QueryPosition>(
-            std::bind(&Query::create_position, FORMAT_PERCENT), QUERY_POSITION);
-    CreatingQueryTest<QueryPosition>(
-            std::bind(&QueryPosition::create, FORMAT_PERCENT), QUERY_POSITION);
+  CreatingQueryTestStatic<QueryPosition>(
+      std::bind(&Query::create_position, FORMAT_PERCENT), QUERY_POSITION);
+  CreatingQueryTest<QueryPosition>(
+      std::bind(&QueryPosition::create, FORMAT_PERCENT), QUERY_POSITION);
 }
 
 TEST(QueryTest, CorrectCreatingQueryConvert)
 {
-    CreatingQueryTestStatic<QueryConvert>(
-            std::bind(&Query::create_convert, FORMAT_PERCENT, 10, FORMAT_BYTES), QUERY_CONVERT);
-    CreatingQueryTest<QueryConvert>(
-            std::bind(&QueryConvert::create, FORMAT_PERCENT, 10, FORMAT_BYTES), QUERY_CONVERT);
+  CreatingQueryTestStatic<QueryConvert>(
+      std::bind(&Query::create_convert, FORMAT_PERCENT, 10, FORMAT_BYTES), QUERY_CONVERT);
+  CreatingQueryTest<QueryConvert>(
+      std::bind(&QueryConvert::create, FORMAT_PERCENT, 10, FORMAT_BYTES), QUERY_CONVERT);
 }
 
 TEST(QueryTest, CheckRefCountsDuringQueryCapsCreation)
@@ -79,5 +79,3 @@ TEST(QueryTest, CheckStoringAllocationParams)
   ASSERT_EQ(allocator, allocator2);
   ASSERT_EQ(params.get_align(), params2.get_align());
 }
-
-
diff --git a/tests/test-structure.cc b/tests/test-structure.cc
index 7a113c5..4cacd80 100644
--- a/tests/test-structure.cc
+++ b/tests/test-structure.cc
@@ -2,7 +2,7 @@
  * test-structure.cc
  *
  *  Created on: 1 sie 2013
- *      Author: loganek
+ *    Author: loganek
  */
 
 
@@ -14,84 +14,84 @@ using namespace Gst;
 template<typename T>
 void CheckEq(const T& expected, const T& output)
 {
-    EXPECT_EQ(expected, output);
+  EXPECT_EQ(expected, output);
 }
 
 template<>
 void CheckEq(const Fraction& expected, const Fraction& output)
 {
-    EXPECT_EQ(expected.denom, output.denom);
-    EXPECT_EQ(expected.num, output.num);
+  EXPECT_EQ(expected.denom, output.denom);
+  EXPECT_EQ(expected.num, output.num);
 }
 
 template<>
 void CheckEq(const FractionRange& expected, const FractionRange& output)
 {
-    CheckEq(expected.min, output.min);
-    CheckEq(expected.max, output.max);
+  CheckEq(expected.min, output.min);
+  CheckEq(expected.max, output.max);
 }
 
 template<>
 void CheckEq(const Glib::DateTime& expected, const Glib::DateTime& output)
 {
-    CheckEq(expected.get_year(), output.get_year());
-    CheckEq(expected.get_second(), output.get_second());
+  CheckEq(expected.get_year(), output.get_year());
+  CheckEq(expected.get_second(), output.get_second());
 }
 
 class StructureTest : public ::testing::Test
 {
 protected:
-    Structure structure;
+  Structure structure;
 
-    virtual void SetUp()
-    {
-        structure = Structure("test-struct");
-    }
+  virtual void SetUp()
+  {
+    structure = Structure("test-struct");
+  }
 
-    template<typename T>
-    void CheckGetSetField(const T& expected, const Glib::ustring& field_name)
-    {
-        structure.set_field(field_name, expected);
+  template<typename T>
+  void CheckGetSetField(const T& expected, const Glib::ustring& field_name)
+  {
+    structure.set_field(field_name, expected);
 
-        T output;
-        structure.get_field(field_name, output);
+    T output;
+    structure.get_field(field_name, output);
 
-        CheckEq(expected, output);
-    }
+    CheckEq(expected, output);
+  }
 };
 
 TEST_F(StructureTest, GetSetStringVariable)
 {
-    CheckGetSetField<std::string>("this is simple test", "string");
+  CheckGetSetField<std::string>("this is simple test", "string");
 }
 
 TEST_F(StructureTest, GetSetIntegerVariable)
 {
-    CheckGetSetField(1234, "integer");
+  CheckGetSetField(1234, "integer");
 }
 
 TEST_F(StructureTest, GetSetFractionVariable)
 {
-    CheckGetSetField(Fraction(5,6), "fraction");
+  CheckGetSetField(Fraction(5,6), "fraction");
 }
 
 TEST_F(StructureTest, GetSetFractionRangeVariable)
 {
-    CheckGetSetField(FractionRange(Fraction(5,6), Gst::Fraction(13,14)), "fraction_range");
+  CheckGetSetField(FractionRange(Fraction(5,6), Gst::Fraction(13,14)), "fraction_range");
 }
 
 TEST_F(StructureTest, GetSetDateVariable)
 {
-    CheckGetSetField(Glib::Date(10, Glib::Date::DECEMBER, 1991), "date");
+  CheckGetSetField(Glib::Date(10, Glib::Date::DECEMBER, 1991), "date");
 }
 
 TEST_F(StructureTest, GetSetEnumVariable)
 {
-    State input_state = STATE_PAUSED;
-    structure.set_field("state", Glib::Value<State>::value_type(), input_state);
+  State input_state = STATE_PAUSED;
+  structure.set_field("state", Glib::Value<State>::value_type(), input_state);
 
-    int output_state;
-    structure.get_field("state", Glib::Value<State>::value_type(), output_state);
+  int output_state;
+  structure.get_field("state", Glib::Value<State>::value_type(), output_state);
 
-    EXPECT_EQ(input_state, (State)output_state);
+  EXPECT_EQ(input_state, (State)output_state);
 }
diff --git a/tests/test-taglist.cc b/tests/test-taglist.cc
index 7b00b0a..f076c67 100644
--- a/tests/test-taglist.cc
+++ b/tests/test-taglist.cc
@@ -2,7 +2,7 @@
  * test-taglist.cc
  *
  *  Created on: Jul 31, 2013
- *      Author: m.kolny
+ *    Author: m.kolny
  */
 
 #include <gtest/gtest.h>
@@ -13,24 +13,24 @@ using namespace Gst;
 class TagListTest : public ::testing::Test
 {
 protected:
-    TagList tag_list;
+  TagList tag_list;
 
-    static Glib::ustring song_title;
-    static Glib::ustring song_artist;
-    static guint64 song_duration;
-    static Glib::Date song_date;
+  static Glib::ustring song_title;
+  static Glib::ustring song_artist;
+  static guint64 song_duration;
+  static Glib::Date song_date;
 
-    template<typename Ty>
-    Ty ValidateTag(Tag tag)
-    {
-        Ty output = {};
+  template<typename Ty>
+  Ty ValidateTag(Tag tag)
+  {
+    Ty output = {};
 
-        bool ok = tag_list.get(tag, output);
+    bool ok = tag_list.get(tag, output);
 
-        EXPECT_EQ(true, ok);
+    EXPECT_EQ(true, ok);
 
-        return output;
-    }
+    return output;
+  }
 };
 
 Glib::ustring TagListTest::song_title = "Funky Song";
@@ -41,45 +41,44 @@ Glib::Date TagListTest::song_date = Glib::Date(28, Glib::Date::DECEMBER, 1991);
 
 TEST_F(TagListTest, GetTagTitleFromList)
 {
-    tag_list.add(TAG_TITLE, song_title);
+  tag_list.add(TAG_TITLE, song_title);
 
-    Glib::ustring out_title = ValidateTag<Glib::ustring>(TAG_TITLE);
-    ASSERT_STREQ(song_title.c_str(), out_title.c_str());
+  Glib::ustring out_title = ValidateTag<Glib::ustring>(TAG_TITLE);
+  ASSERT_STREQ(song_title.c_str(), out_title.c_str());
 }
 
 TEST_F(TagListTest, GetTagArtistFromList)
 {
-    tag_list.add(TAG_ARTIST, song_artist);
+  tag_list.add(TAG_ARTIST, song_artist);
 
-    Glib::ustring out_artist = ValidateTag<Glib::ustring>(TAG_ARTIST);
-    ASSERT_STREQ(song_artist.c_str(), out_artist.c_str());
+  Glib::ustring out_artist = ValidateTag<Glib::ustring>(TAG_ARTIST);
+  ASSERT_STREQ(song_artist.c_str(), out_artist.c_str());
 }
 
 TEST_F(TagListTest, DISABLED_GetTagDurationFromList)
 {
-    tag_list.add(TAG_DURATION, song_duration);
+  tag_list.add(TAG_DURATION, song_duration);
 
-    guint64 out_duration = ValidateTag<guint64>(TAG_DURATION);
-    EXPECT_EQ(song_duration, out_duration);
+  guint64 out_duration = ValidateTag<guint64>(TAG_DURATION);
+  EXPECT_EQ(song_duration, out_duration);
 }
 
 TEST_F(TagListTest, DISABLED_GetTagDateFromList)
 {
-    tag_list.add(TAG_DATE, song_date);
+  tag_list.add(TAG_DATE, song_date);
 
-    Glib::Date out_date = ValidateTag<Glib::Date>(TAG_DATE);
+  Glib::Date out_date = ValidateTag<Glib::Date>(TAG_DATE);
 
-    EXPECT_EQ(song_date.get_day(), out_date.get_day());
-    EXPECT_EQ(song_date.get_year(), out_date.get_year());
-    EXPECT_EQ(song_date.get_month(), out_date.get_month());
+  EXPECT_EQ(song_date.get_day(), out_date.get_day());
+  EXPECT_EQ(song_date.get_year(), out_date.get_year());
+  EXPECT_EQ(song_date.get_month(), out_date.get_month());
 }
 
 TEST_F(TagListTest, GetNonExistingTag)
 {
-    Glib::ustring album;
+  Glib::ustring album;
 
-    bool album_exists = tag_list.get(TAG_ALBUM, album);
-
-    ASSERT_FALSE(album_exists);
+  bool album_exists = tag_list.get(TAG_ALBUM, album);
 
+  ASSERT_FALSE(album_exists);
 }
diff --git a/tests/test-urihandler.cc b/tests/test-urihandler.cc
index 283949b..717ab09 100644
--- a/tests/test-urihandler.cc
+++ b/tests/test-urihandler.cc
@@ -12,63 +12,62 @@ using namespace Gst;
 
 class UriTestElement: public URIHandler, public Gst::Element {
 public:
-       typedef Gst::Element::BaseClassType BaseClassType;
-       typedef Gst::Element::BaseObjectType BaseObjectType;
-       typedef Gst::Element::CppClassType CppClassType;
+  typedef Gst::Element::BaseClassType BaseClassType;
+  typedef Gst::Element::BaseObjectType BaseObjectType;
+  typedef Gst::Element::CppClassType CppClassType;
 
 public:
-       static GType get_base_type() G_GNUC_CONST
-       {
-               return Element::get_base_type();
-       }
+  static GType get_base_type() G_GNUC_CONST
+  {
+    return Element::get_base_type();
+  }
 
-       static void base_init(Gst::ElementClass<UriTestElement> *klass)
-       {
-               klass->set_metadata("uri_longname", "uri_classification",
-                               "uri_detail_description", "uri_detail_author");
-       }
+  static void base_init(Gst::ElementClass<UriTestElement> *klass)
+  {
+    klass->set_metadata("uri_longname", "uri_classification",
+        "uri_detail_description", "uri_detail_author");
+  }
 
-       explicit UriTestElement(GstElement *gobj) :
-                       Glib::ObjectBase(typeid(UriTestElement)),
-                       Gst::Element(gobj)
-       {
-       }
+  explicit UriTestElement(GstElement *gobj)
+  : Glib::ObjectBase(typeid(UriTestElement)),
+    Gst::Element(gobj)
+  {
+  }
 
-        bool set_uri_vfunc(const Glib::ustring& /* uri */, GError** /* error */)
-       {
-               return true;
-       }
+  bool set_uri_vfunc(const Glib::ustring& /* uri */, GError** /* error */)
+  {
+    return true;
+  }
 
-       const gchar * const * get_protocols_vfunc() const
-       {
-               static const gchar* vect[] = { "dummyprotocol", NULL };
+  const gchar * const * get_protocols_vfunc() const
+  {
+    static const gchar* vect[] = { "dummyprotocol", NULL };
 
-               return vect;
-       }
+    return vect;
+  }
 
-       URIType get_type_vfunc() override
-       {
-               return URI_SINK;
-       }
+  URIType get_type_vfunc() override
+  {
+    return URI_SINK;
+  }
 
-       static bool register_uritestelement(Glib::RefPtr<Gst::Plugin> plugin)
-       {
-               auto t = Gst::register_mm_type<UriTestElement>("uritestelement");
-               add_interface(t);
+  static bool register_uritestelement(Glib::RefPtr<Gst::Plugin> plugin)
+  {
+    auto t = Gst::register_mm_type<UriTestElement>("uritestelement");
+    add_interface(t);
 
-               return Gst::ElementFactory::register_element(plugin, "uritestelement",
-                               10, t);
-       }
+    return Gst::ElementFactory::register_element(plugin, "uritestelement", 10, t);
+  }
 };
 
 TEST(URIHandlerTest, CheckURIType)
 {
-       Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "uritestelement", "uritestelement is 
example of C++ element",
-                       sigc::ptr_fun(&UriTestElement::register_uritestelement), "0.123", "LGPL", "source?", 
"package?",
-                       "http://example.com";);
+  Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, "uritestelement", "uritestelement is example 
of C++ element",
+      sigc::ptr_fun(&UriTestElement::register_uritestelement), "0.123", "LGPL", "source?", "package?",
+      "http://example.com";);
 
-       Glib::ustring factory_name =
-                       URIHandler::make_element_from_uri(URI_SINK, "dummyprotocol:some/path", 
"dummy_name")->get_factory()->get_name();
+  Glib::ustring factory_name =
+      URIHandler::make_element_from_uri(URI_SINK, "dummyprotocol:some/path", 
"dummy_name")->get_factory()->get_name();
 
-       ASSERT_STREQ("uritestelement", factory_name.c_str());
+  ASSERT_STREQ("uritestelement", factory_name.c_str());
 }


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