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Add a test for g_signal_get_invocation_hint

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This is the sole piece of code in GLib where we make use of the
stack growing direction. And this test proves that we have been
getting the direction wrong all these years...
This commit is contained in:
Matthias Clasen 2013-11-23 20:06:07 -05:00
parent bd8fb391aa
commit e81e33b35d
1 changed files with 47 additions and 0 deletions
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47
gobject/tests/signals.c
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@ -75,6 +75,7 @@ static GType enum_type;
static GType flags_type; static GType flags_type;
static guint simple_id; static guint simple_id;
static guint simple2_id;
typedef struct _Test Test; typedef struct _Test Test;
typedef struct _TestClass TestClass; typedef struct _TestClass TestClass;
@ -121,6 +122,14 @@ test_class_init (TestClass *klass)
NULL, NULL,
G_TYPE_NONE, G_TYPE_NONE,
0); 0);
simple2_id = g_signal_new ("simple-2",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST | G_SIGNAL_NO_RECURSE,
0,
NULL, NULL,
NULL,
G_TYPE_NONE,
0);
g_signal_new ("generic-marshaller-1", g_signal_new ("generic-marshaller-1",
G_TYPE_FROM_CLASS (klass), G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_SIGNAL_RUN_LAST,
@ -877,6 +886,42 @@ test_emission_hook (void)
g_object_unref (test2); g_object_unref (test2);
} }
static void
simple_cb (gpointer instance, gpointer data)
{
GSignalInvocationHint *ihint;
ihint = g_signal_get_invocation_hint (instance);
g_assert_cmpstr (g_signal_name (ihint->signal_id), ==, "simple");
g_signal_emit_by_name (instance, "simple-2");
}
static void
simple2_cb (gpointer instance, gpointer data)
{
GSignalInvocationHint *ihint;
ihint = g_signal_get_invocation_hint (instance);
g_assert_cmpstr (g_signal_name (ihint->signal_id), ==, "simple-2");
}
static void
test_invocation_hint (void)
{
GObject *test;
test = g_object_new (test_get_type (), NULL);
g_signal_connect (test, "simple", G_CALLBACK (simple_cb), NULL);
g_signal_connect (test, "simple-2", G_CALLBACK (simple2_cb), NULL);
g_signal_emit_by_name (test, "simple");
g_object_unref (test);
}
static gboolean static gboolean
in_set (const gchar *s, in_set (const gchar *s,
const gchar *set[]) const gchar *set[])
@ -901,6 +946,7 @@ test_introspection (void)
gint i; gint i;
const gchar *names[] = { const gchar *names[] = {
"simple", "simple",
"simple-2",
"generic-marshaller-1", "generic-marshaller-1",
"generic-marshaller-2", "generic-marshaller-2",
"generic-marshaller-enum-return-signed", "generic-marshaller-enum-return-signed",
@ -1066,6 +1112,7 @@ main (int argc,
g_test_add_func ("/gobject/signals/introspection", test_introspection); g_test_add_func ("/gobject/signals/introspection", test_introspection);
g_test_add_func ("/gobject/signals/block-handler", test_block_handler); g_test_add_func ("/gobject/signals/block-handler", test_block_handler);
g_test_add_func ("/gobject/signals/stop-emission", test_stop_emission); g_test_add_func ("/gobject/signals/stop-emission", test_stop_emission);
g_test_add_func ("/gobject/signals/invocation-hint", test_invocation_hint);
return g_test_run (); return g_test_run ();
} }