[glib] Cover some malloc corner cases in tests

[Matthias Clasen <matthiasc src gnome org>]

commit d5d3c7b3a4830a12e155e949345cfc9109236786
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon May 14 16:18:26 2012 -0400

    Cover some malloc corner cases in tests

 glib/tests/utils.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/glib/tests/utils.c b/glib/tests/utils.c
index 15decdf..daa3dc8 100644
--- a/glib/tests/utils.c
+++ b/glib/tests/utils.c
@@ -444,6 +444,24 @@ test_clear_pointer (void)
   g_assert (a == NULL);
 }
 
+static void
+test_misc_mem (void)
+{
+  gpointer a;
+
+  a = g_try_malloc (0);
+  g_assert (a == NULL);
+
+  a = g_try_malloc0 (0);
+  g_assert (a == NULL);
+
+  a = g_malloc (16);
+  a = g_try_realloc (a, 20);
+  a = g_try_realloc (a, 0);
+
+  g_assert (a == NULL);
+}
+
 int
 main (int   argc,
       char *argv[])
@@ -475,6 +493,7 @@ main (int   argc,
   g_test_add_func ("/utils/xdgdirs", test_xdg_dirs);
   g_test_add_func ("/utils/specialdir", test_special_dir);
   g_test_add_func ("/utils/clear-pointer", test_clear_pointer);
+  g_test_add_func ("/utils/misc-mem", test_misc_mem);
 
   return g_test_run();
 }