[glibmm] Tests: More nullptr instead of 0

[Kjell Ahlstedt <kjellahl src gnome org>]

commit e0d25266312d4af282c7834925b42dfc9fdf9456
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Mon Nov 23 16:42:09 2015 +0100

    Tests: More nullptr instead of 0

 tests/giomm_memoryinputstream/main.cc     |    2 +-
 tests/glibmm_bool_arrayhandle/main.cc     |    2 +-
 tests/glibmm_bool_vector/main.cc          |    2 +-
 tests/glibmm_interface_move/main.cc       |   15 +++++++++++----
 tests/glibmm_null_containerhandle/main.cc |   12 ++++++------
 tests/glibmm_null_vectorutils/main.cc     |   12 ++++++------
 tests/glibmm_vector/main.cc               |    6 +++---
 7 files changed, 29 insertions(+), 22 deletions(-)
---
diff --git a/tests/giomm_memoryinputstream/main.cc b/tests/giomm_memoryinputstream/main.cc
index 8228bd2..0fcc6b0 100644
--- a/tests/giomm_memoryinputstream/main.cc
+++ b/tests/giomm_memoryinputstream/main.cc
@@ -52,7 +52,7 @@ int main(int, char**)
 
     // Add data that shall not be deleted by stream.
     static const char data1[] = "Data not owned by stream.\n";
-    stream->add_data(data1, sizeof data1 - 1, 0);
+    stream->add_data(data1, sizeof data1 - 1, nullptr);
 
     // Add data that shall be deleted by destroy_func1().
     char* data2 = new char[7];
diff --git a/tests/glibmm_bool_arrayhandle/main.cc b/tests/glibmm_bool_arrayhandle/main.cc
index 9f5e17b..e4247cf 100644
--- a/tests/glibmm_bool_arrayhandle/main.cc
+++ b/tests/glibmm_bool_arrayhandle/main.cc
@@ -38,7 +38,7 @@ setup_rand ()
 
   if (!setup)
   {
-    std::srand (std::time (0));
+    std::srand (std::time (nullptr));
     setup = true;
   }
 }
diff --git a/tests/glibmm_bool_vector/main.cc b/tests/glibmm_bool_vector/main.cc
index 0548d75..1e7c32a 100644
--- a/tests/glibmm_bool_vector/main.cc
+++ b/tests/glibmm_bool_vector/main.cc
@@ -38,7 +38,7 @@ setup_rand()
   if(!setup)
   {
     setup = true;
-    std::srand(std::time(0));
+    std::srand(std::time(nullptr));
   }
 }
 
diff --git a/tests/glibmm_interface_move/main.cc b/tests/glibmm_interface_move/main.cc
index 28b8e8f..31d3f85 100644
--- a/tests/glibmm_interface_move/main.cc
+++ b/tests/glibmm_interface_move/main.cc
@@ -26,9 +26,16 @@ test_Iface_get_type (void)
     {
       const GTypeInfo info =
       {
-        sizeof (TestIface),  /* class_size */
-        test_Iface_init,           /* base_init */
-             0, 0, 0, 0, 0, 0, 0, 0
+        sizeof (TestIface), // class_size
+        test_Iface_init,    // base_init
+        nullptr, // base_finalize
+        nullptr, // class_init
+        nullptr, // class_finalize
+        nullptr, // class_data
+        0,       // instance_size
+        0,       // n_preallocs
+        nullptr, // instance_init
+        nullptr  // value_table
       };
 
       type = g_type_register_static (G_TYPE_INTERFACE, "TestIface",
@@ -187,7 +194,7 @@ public:
   //A real application would never make the constructor public.
   //It would instead have a protected constructor and a public create() method.
   DerivedObject(int i)
-  : Glib::ObjectBase(0),
+  : Glib::ObjectBase(nullptr),
     Glib::Object(Glib::ConstructParams(derived_object_class_.init())),
     i_(i)
   {
diff --git a/tests/glibmm_null_containerhandle/main.cc b/tests/glibmm_null_containerhandle/main.cc
index 596457d..52a95e6 100644
--- a/tests/glibmm_null_containerhandle/main.cc
+++ b/tests/glibmm_null_containerhandle/main.cc
@@ -28,12 +28,12 @@ main()
   Gio::init();
   typedef Glib::RefPtr<Gio::Credentials> CrePtr;
 
-  std::vector<CrePtr> v1(Glib::ArrayHandle<CrePtr>(0, Glib::OWNERSHIP_DEEP));
-  std::vector<CrePtr> v2(Glib::ArrayHandle<CrePtr>(0, 5, Glib::OWNERSHIP_DEEP));
-  std::vector<CrePtr> v3(Glib::ListHandle<CrePtr>(0, Glib::OWNERSHIP_DEEP));
-  std::vector<CrePtr> v4(Glib::SListHandle<CrePtr>(0, Glib::OWNERSHIP_DEEP));
-  std::vector<bool>   v5(Glib::ArrayHandle<bool>(0, Glib::OWNERSHIP_DEEP));
-  std::vector<bool>   v6(Glib::ArrayHandle<bool>(0, 5, Glib::OWNERSHIP_DEEP));
+  std::vector<CrePtr> v1(Glib::ArrayHandle<CrePtr>(nullptr, Glib::OWNERSHIP_DEEP));
+  std::vector<CrePtr> v2(Glib::ArrayHandle<CrePtr>(nullptr, 5, Glib::OWNERSHIP_DEEP));
+  std::vector<CrePtr> v3(Glib::ListHandle<CrePtr>(nullptr, Glib::OWNERSHIP_DEEP));
+  std::vector<CrePtr> v4(Glib::SListHandle<CrePtr>(nullptr, Glib::OWNERSHIP_DEEP));
+  std::vector<bool>   v5(Glib::ArrayHandle<bool>(nullptr, Glib::OWNERSHIP_DEEP));
+  std::vector<bool>   v6(Glib::ArrayHandle<bool>(nullptr, 5, Glib::OWNERSHIP_DEEP));
 
   if (v1.empty() && v2.empty() && v3.empty() && v4.empty() && v5.empty() && v6.empty())
   {
diff --git a/tests/glibmm_null_vectorutils/main.cc b/tests/glibmm_null_vectorutils/main.cc
index 567d417..711b74d 100644
--- a/tests/glibmm_null_vectorutils/main.cc
+++ b/tests/glibmm_null_vectorutils/main.cc
@@ -26,12 +26,12 @@ main()
   Gio::init();
   typedef Glib::RefPtr<Gio::Credentials> CrePtr;
 
-  std::vector<CrePtr> v1(Glib::ArrayHandler<CrePtr>::array_to_vector(0, Glib::OWNERSHIP_DEEP));
-  std::vector<CrePtr> v2(Glib::ArrayHandler<CrePtr>::array_to_vector(0, 5, Glib::OWNERSHIP_DEEP));
-  std::vector<CrePtr> v3(Glib::ListHandler<CrePtr>::list_to_vector(0, Glib::OWNERSHIP_DEEP));
-  std::vector<CrePtr> v4(Glib::SListHandler<CrePtr>::slist_to_vector(0, Glib::OWNERSHIP_DEEP));
-  std::vector<bool>   v5(Glib::ArrayHandler<bool>::array_to_vector(0, Glib::OWNERSHIP_DEEP));
-  std::vector<bool>   v6(Glib::ArrayHandler<bool>::array_to_vector(0, 5, Glib::OWNERSHIP_DEEP));
+  std::vector<CrePtr> v1(Glib::ArrayHandler<CrePtr>::array_to_vector(nullptr, Glib::OWNERSHIP_DEEP));
+  std::vector<CrePtr> v2(Glib::ArrayHandler<CrePtr>::array_to_vector(nullptr, 5, Glib::OWNERSHIP_DEEP));
+  std::vector<CrePtr> v3(Glib::ListHandler<CrePtr>::list_to_vector(nullptr, Glib::OWNERSHIP_DEEP));
+  std::vector<CrePtr> v4(Glib::SListHandler<CrePtr>::slist_to_vector(nullptr, Glib::OWNERSHIP_DEEP));
+  std::vector<bool>   v5(Glib::ArrayHandler<bool>::array_to_vector(nullptr, Glib::OWNERSHIP_DEEP));
+  std::vector<bool>   v6(Glib::ArrayHandler<bool>::array_to_vector(nullptr, 5, Glib::OWNERSHIP_DEEP));
 
   if (v1.empty() && v2.empty() && v3.empty() && v4.empty() && v5.empty() && v6.empty())
   {
diff --git a/tests/glibmm_vector/main.cc b/tests/glibmm_vector/main.cc
index d184ecc..9d78c8c 100644
--- a/tests/glibmm_vector/main.cc
+++ b/tests/glibmm_vector/main.cc
@@ -72,7 +72,7 @@ print_list(GList* list)
 GSList*
 create_slist()
 {
-  GSList* head = 0;
+  GSList* head = nullptr;
 
   for(unsigned int iter(0); iter < magic_limit; ++iter)
   {
@@ -202,12 +202,12 @@ public:
   {
     if(glist_)
     {
-      g_list_foreach(glist_, reinterpret_cast<GFunc>(g_object_unref), 0);
+      g_list_foreach(glist_, reinterpret_cast<GFunc>(g_object_unref), nullptr);
       g_list_free(glist_);
     }
     if(gslist_)
     {
-      g_slist_foreach(gslist_, reinterpret_cast<GFunc>(g_object_unref), 0);
+      g_slist_foreach(gslist_, reinterpret_cast<GFunc>(g_object_unref), nullptr);
       g_slist_free(gslist_);
     }
     if(garray_)