[gstreamermm: 109/167] added tests for Bus

[Murray Cumming <murrayc src gnome org>]

commit e146b301aecda48ee26c09ac9cf1015fb78b6e71
Author: Marcin Kolny at Flytronic <marcin kolny flytronic pl>
Date:   Thu Aug 1 12:27:32 2013 +0200

    added tests for Bus

 tests/test-bus.cc |   63 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 63 insertions(+), 0 deletions(-)
---
diff --git a/tests/test-bus.cc b/tests/test-bus.cc
new file mode 100644
index 0000000..0ae919e
--- /dev/null
+++ b/tests/test-bus.cc
@@ -0,0 +1,63 @@
+/*
+ * test-bus.cc
+ *
+ *  Created on: Aug 1, 2013
+ *      Author: m.kolny
+ */
+
+#include <gtest/gtest.h>
+#include <gstreamermm.h>
+
+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);
+    }
+};
+
+TEST_F(BusTest, CorrectCreateBus)
+{
+    bus = Bus::create();
+
+    ASSERT_TRUE(bus);
+}
+
+TEST_F(BusTest, PostMessageAndPeekIt)
+{
+    bus = Bus::create();
+
+    PostMessage();
+    CheckPending();
+
+    Glib::RefPtr<Message> msg = bus->peek();
+
+    ASSERT_TRUE(msg);
+}
+
+TEST_F(BusTest, PostMessageAndPopIt)
+{
+    bus = Bus::create();
+
+    PostMessage();
+    CheckPending();
+
+    Glib::RefPtr<Message> msg = bus->pop();
+
+    ASSERT_TRUE(msg);
+
+    CheckPending(false);
+}