iterator: Add unit tests for filtering, recursive filtering and locking

https://bugzilla.gnome.org/show_bug.cgi?id=711138
This commit is contained in:
Sebastian Dröge 2014-01-18 14:34:45 +01:00
parent f77d79f2f8
commit af84535569

View file

@ -210,6 +210,218 @@ GST_START_TEST (test_single)
GST_END_TEST;
static gint
filter2_cb (gconstpointer a, gconstpointer b)
{
const GValue *va = a;
gint ia;
ia = GPOINTER_TO_INT (g_value_get_pointer (va));
return ia % 2;
}
GST_START_TEST (test_filter)
{
GList *l;
guint32 cookie = 0;
GMutex m;
GstIterator *iter, *filter;
GstIteratorResult res;
GValue item = { 0, };
gint expected = 0, value;
l = make_list_of_ints (NUM_ELEMENTS);
g_mutex_init (&m);
iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
fail_unless (iter != NULL);
filter = gst_iterator_filter (iter, filter2_cb, NULL);
while (1) {
res = gst_iterator_next (filter, &item);
if (res == GST_ITERATOR_DONE)
break;
fail_unless (res == GST_ITERATOR_OK);
value = GPOINTER_TO_INT (g_value_get_pointer (&item));
fail_unless_equals_int (value, expected);
expected += 2;
}
/* clean up */
g_value_unset (&item);
gst_iterator_free (filter);
g_mutex_clear (&m);
g_list_free (l);
}
GST_END_TEST;
static gint
filter2_lock_cb (gconstpointer a, gconstpointer b)
{
const GValue *va = a;
const GValue *vb = b;
gint ia;
GMutex *m;
ia = GPOINTER_TO_INT (g_value_get_pointer (va));
m = g_value_get_pointer (vb);
g_mutex_lock (m);
g_mutex_unlock (m);
return ia % 2;
}
GST_START_TEST (test_filter_locking)
{
GList *l;
guint32 cookie = 0;
GMutex m;
GstIterator *iter, *filter;
GstIteratorResult res;
GValue item = { 0, };
GValue user_data = { 0, };
gint expected = 0, value;
l = make_list_of_ints (NUM_ELEMENTS);
g_mutex_init (&m);
iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
fail_unless (iter != NULL);
g_value_init (&user_data, G_TYPE_POINTER);
g_value_set_pointer (&user_data, &m);
filter = gst_iterator_filter (iter, filter2_lock_cb, &user_data);
while (1) {
res = gst_iterator_next (filter, &item);
if (res == GST_ITERATOR_DONE)
break;
fail_unless (res == GST_ITERATOR_OK);
value = GPOINTER_TO_INT (g_value_get_pointer (&item));
fail_unless_equals_int (value, expected);
expected += 2;
}
/* clean up */
g_value_unset (&item);
g_value_unset (&user_data);
gst_iterator_free (filter);
g_mutex_clear (&m);
g_list_free (l);
}
GST_END_TEST;
static gint
filter4_cb (gconstpointer a, gconstpointer b)
{
const GValue *va = a;
gint ia;
ia = GPOINTER_TO_INT (g_value_get_pointer (va));
return ia % 4;
}
GST_START_TEST (test_filter_of_filter)
{
GList *l;
guint32 cookie = 0;
GMutex m;
GstIterator *iter, *filter, *filter2;
GstIteratorResult res;
GValue item = { 0, };
gint expected = 0, value;
l = make_list_of_ints (NUM_ELEMENTS);
g_mutex_init (&m);
iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
fail_unless (iter != NULL);
filter = gst_iterator_filter (iter, filter2_cb, NULL);
filter2 = gst_iterator_filter (filter, filter4_cb, NULL);
while (1) {
res = gst_iterator_next (filter2, &item);
if (res == GST_ITERATOR_DONE)
break;
fail_unless (res == GST_ITERATOR_OK);
value = GPOINTER_TO_INT (g_value_get_pointer (&item));
fail_unless_equals_int (value, expected);
expected += 4;
}
/* clean up */
g_value_unset (&item);
gst_iterator_free (filter2);
g_mutex_clear (&m);
g_list_free (l);
}
GST_END_TEST;
static gint
filter4_lock_cb (gconstpointer a, gconstpointer b)
{
const GValue *va = a;
const GValue *vb = b;
gint ia;
GMutex *m;
ia = GPOINTER_TO_INT (g_value_get_pointer (va));
m = g_value_get_pointer (vb);
g_mutex_lock (m);
g_mutex_unlock (m);
return ia % 4;
}
GST_START_TEST (test_filter_of_filter_locking)
{
GList *l;
guint32 cookie = 0;
GMutex m;
GstIterator *iter, *filter, *filter2;
GstIteratorResult res;
GValue item = { 0, };
GValue user_data = { 0, };
gint expected = 0, value;
l = make_list_of_ints (NUM_ELEMENTS);
g_mutex_init (&m);
iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
fail_unless (iter != NULL);
g_value_init (&user_data, G_TYPE_POINTER);
g_value_set_pointer (&user_data, &m);
filter = gst_iterator_filter (iter, filter2_lock_cb, &user_data);
filter2 = gst_iterator_filter (filter, filter4_lock_cb, &user_data);
while (1) {
res = gst_iterator_next (filter2, &item);
if (res == GST_ITERATOR_DONE)
break;
fail_unless (res == GST_ITERATOR_OK);
value = GPOINTER_TO_INT (g_value_get_pointer (&item));
fail_unless_equals_int (value, expected);
expected += 4;
}
/* clean up */
g_value_unset (&item);
g_value_unset (&user_data);
gst_iterator_free (filter2);
g_mutex_clear (&m);
g_list_free (l);
}
GST_END_TEST;
static Suite *
gst_iterator_suite (void)
{
@ -223,6 +435,10 @@ gst_iterator_suite (void)
tcase_add_test (tc_chain, test_resync);
tcase_add_test (tc_chain, test_fold);
tcase_add_test (tc_chain, test_single);
tcase_add_test (tc_chain, test_filter);
tcase_add_test (tc_chain, test_filter_locking);
tcase_add_test (tc_chain, test_filter_of_filter);
tcase_add_test (tc_chain, test_filter_of_filter_locking);
return s;
}