tests: Add a some torture test cases for the generic marshaller

In particular this has a test case for a G_TYPE_ENUM which we were
running into a failure on ppc64.

https://bugzilla.gnome.org/show_bug.cgi?id=659881

gobject/tests/signals.c

@@ -1,5 +1,58 @@
 #include <glib-object.h>
 
+typedef enum {
+  TEST_ENUM_NONE = 0,
+  TEST_ENUM_FOO = 1,
+  TEST_ENUM_BAR = 2
+} TestEnum;
+
+typedef enum {
+  TEST_UNSIGNED_ENUM_FOO = 1,
+  TEST_UNSIGNED_ENUM_BAR = 0x80000000
+} TestUnsignedEnum;
+
+GType
+test_enum_get_type (void)
+{
+  static volatile gsize g_define_type_id__volatile = 0;
+
+  if (g_once_init_enter (&g_define_type_id__volatile))
+    {
+      static const GFlagsValue values[] = {
+        { TEST_ENUM_NONE, "TEST_ENUM_NONE", "none" },
+        { TEST_ENUM_FOO, "TEST_ENUM_FOO", "foo" },
+        { TEST_ENUM_BAR, "TEST_ENUM_BAR", "bar" },
+        { 0, NULL, NULL }
+      };
+      GType g_define_type_id =
+        g_flags_register_static (g_intern_static_string ("TestEnum"), values);
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+    }
+
+  return g_define_type_id__volatile;
+}
+
+GType
+test_unsigned_enum_get_type (void)
+{
+  static volatile gsize g_define_type_id__volatile = 0;
+
+  if (g_once_init_enter (&g_define_type_id__volatile))
+    {
+      static const GFlagsValue values[] = {
+        { TEST_UNSIGNED_ENUM_FOO, "TEST_UNSIGNED_ENUM_FOO", "foo" },
+        { TEST_UNSIGNED_ENUM_BAR, "TEST_UNSIGNED_ENUM_BAR", "bar" },
+        { 0, NULL, NULL }
+      };
+      GType g_define_type_id =
+        g_flags_register_static (g_intern_static_string ("TestUnsignedEnum"), values);
+      g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);
+    }
+
+  return g_define_type_id__volatile;
+}
+
+
 typedef struct _Test Test;
 typedef struct _TestClass TestClass;
 
@@ -26,6 +79,24 @@ test_init (Test *test)
 static void
 test_class_init (TestClass *klass)
 {
+  g_signal_new ("generic-marshaller-1",
+                G_TYPE_FROM_CLASS (klass),
+                G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
+                0,
+                NULL, NULL,
+                NULL,
+                G_TYPE_NONE,
+                7,
+                G_TYPE_CHAR, G_TYPE_UCHAR, G_TYPE_INT, G_TYPE_LONG, G_TYPE_POINTER, G_TYPE_DOUBLE, G_TYPE_FLOAT);
+  g_signal_new ("generic-marshaller-2",
+                G_TYPE_FROM_CLASS (klass),
+                G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
+                0,
+                NULL, NULL,
+                NULL,
+                G_TYPE_NONE,
+                5,
+                G_TYPE_INT, test_enum_get_type(), G_TYPE_INT, test_unsigned_enum_get_type (), G_TYPE_INT);
   g_signal_new ("variant-changed-no-slot",
                 G_TYPE_FROM_CLASS (klass),
                 G_SIGNAL_RUN_LAST | G_SIGNAL_MUST_COLLECT,
@@ -75,6 +146,69 @@ test_variant_signal (void)
   g_object_unref (test);
 }
 
+static void
+on_generic_marshaller_1 (Test *obj,
+			 gint8 v_schar,
+			 guint8 v_uchar,
+			 gint v_int,
+			 glong v_long,
+			 gpointer v_pointer,
+			 gdouble v_double,
+			 gfloat v_float,
+			 gpointer user_data)
+{
+  g_assert_cmpint (v_schar, ==, 42);
+  g_assert_cmpint (v_uchar, ==, 43);
+  g_assert_cmpint (v_int, ==, 4096);
+  g_assert_cmpint (v_long, ==, 8192);
+  g_assert (v_pointer == NULL);
+  g_assert_cmpfloat (v_double, >, 0.0);
+  g_assert_cmpfloat (v_double, <, 1.0);
+  g_assert_cmpfloat (v_float, >, 5.0);
+  g_assert_cmpfloat (v_float, <, 6.0);
+}
+			 
+static void
+test_generic_marshaller_signal_1 (void)
+{
+  Test *test;
+  test = g_object_new (test_get_type (), NULL);
+
+  g_signal_connect (test, "generic-marshaller-1", G_CALLBACK (on_generic_marshaller_1), NULL);
+
+  g_signal_emit_by_name (test, "generic-marshaller-1", 42, 43, 4096, 8192, NULL, 0.5, 5.5);
+
+  g_object_unref (test);
+}
+
+static void
+on_generic_marshaller_2 (Test *obj,
+			 gint        v_int1,
+			 TestEnum    v_enum,
+			 gint        v_int2,
+			 TestUnsignedEnum v_uenum,
+			 gint        v_int3)
+{
+  g_assert_cmpint (v_int1, ==, 42);
+  g_assert_cmpint (v_enum, ==, TEST_ENUM_BAR);
+  g_assert_cmpint (v_int2, ==, 43);
+  g_assert_cmpint (v_uenum, ==, TEST_UNSIGNED_ENUM_BAR);
+  g_assert_cmpint (v_int3, ==, 44);
+}
+
+static void
+test_generic_marshaller_signal_2 (void)
+{
+  Test *test;
+  test = g_object_new (test_get_type (), NULL);
+
+  g_signal_connect (test, "generic-marshaller-2", G_CALLBACK (on_generic_marshaller_2), NULL);
+
+  g_signal_emit_by_name (test, "generic-marshaller-2", 42, TEST_ENUM_BAR, 43, TEST_UNSIGNED_ENUM_BAR, 44);
+
+  g_object_unref (test);
+}
+
 /* --- */
 
 int
@@ -86,6 +220,8 @@ main (int argc,
   g_test_init (&argc, &argv, NULL);
 
   g_test_add_func ("/gobject/signals/variant", test_variant_signal);
+  g_test_add_func ("/gobject/signals/generic-marshaller-1", test_generic_marshaller_signal_1);
+  g_test_add_func ("/gobject/signals/generic-marshaller-2", test_generic_marshaller_signal_2);
 
   return g_test_run ();
 }