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/* Unit tests for GThreadPool
* Copyright (C) 2020 Sebastian Dröge <sebastian@centricular.com>
*
* This work is provided "as is"; redistribution and modification
* in whole or in part, in any medium, physical or electronic is
* permitted without restriction.
*
* This work is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* In no event shall the authors or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*/
#include <config.h>
#include <glib.h>
typedef struct {
GMutex mutex;
GCond cond;
gboolean signalled;
} MutexCond;
static void
pool_func (gpointer data, gpointer user_data)
{
MutexCond *m = user_data;
g_mutex_lock (&m->mutex);
g_assert_false (m->signalled);
g_assert_true (data == GUINT_TO_POINTER (123));
m->signalled = TRUE;
g_cond_signal (&m->cond);
g_mutex_unlock (&m->mutex);
}
static void
test_simple (gconstpointer shared)
{
GThreadPool *pool;
GError *err = NULL;
MutexCond m;
gboolean success;
g_mutex_init (&m.mutex);
g_cond_init (&m.cond);
if (GPOINTER_TO_INT (shared))
{
g_test_summary ("Tests that a shared, non-exclusive thread pool "
"generally works.");
pool = g_thread_pool_new (pool_func, &m, -1, FALSE, &err);
}
else
{
g_test_summary ("Tests that an exclusive thread pool generally works.");
pool = g_thread_pool_new (pool_func, &m, 2, TRUE, &err);
}
g_assert_no_error (err);
g_assert_nonnull (pool);
g_mutex_lock (&m.mutex);
m.signalled = FALSE;
success = g_thread_pool_push (pool, GUINT_TO_POINTER (123), &err);
g_assert_no_error (err);
g_assert_true (success);
while (!m.signalled)
g_cond_wait (&m.cond, &m.mutex);
g_mutex_unlock (&m.mutex);
g_thread_pool_free (pool, TRUE, TRUE);
}
static void
dummy_pool_func (gpointer data, gpointer user_data)
{
g_assert_true (data == GUINT_TO_POINTER (123));
}
static void
test_create_first_pool (gconstpointer shared_first)
{
GThreadPool *pool;
GError *err = NULL;
gboolean success;
g_test_bug ("https://gitlab.gnome.org/GNOME/glib/issues/2012");
if (GPOINTER_TO_INT (shared_first))
{
g_test_summary ("Tests that creating an exclusive pool after a "
"shared one works.");
}
else
{
g_test_summary ("Tests that creating a shared pool after an "
"exclusive one works.");
}
if (!g_test_subprocess ())
{
g_test_trap_subprocess (NULL, 0, 0);
g_test_trap_assert_passed ();
return;
}
g_thread_pool_set_max_unused_threads (0);
if (GPOINTER_TO_INT (shared_first))
pool = g_thread_pool_new (dummy_pool_func, NULL, -1, FALSE, &err);
else
pool = g_thread_pool_new (dummy_pool_func, NULL, 2, TRUE, &err);
g_assert_no_error (err);
g_assert_nonnull (pool);
success = g_thread_pool_push (pool, GUINT_TO_POINTER (123), &err);
g_assert_no_error (err);
g_assert_true (success);
g_thread_pool_free (pool, TRUE, TRUE);
if (GPOINTER_TO_INT (shared_first))
pool = g_thread_pool_new (dummy_pool_func, NULL, 2, TRUE, &err);
else
pool = g_thread_pool_new (dummy_pool_func, NULL, -1, FALSE, &err);
g_assert_no_error (err);
g_assert_nonnull (pool);
success = g_thread_pool_push (pool, GUINT_TO_POINTER (123), &err);
g_assert_no_error (err);
g_assert_true (success);
g_thread_pool_free (pool, TRUE, TRUE);
}
int
main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_data_func ("/thread_pool/shared", GINT_TO_POINTER (TRUE), test_simple);
g_test_add_data_func ("/thread_pool/exclusive", GINT_TO_POINTER (FALSE), test_simple);
g_test_add_data_func ("/thread_pool/create_shared_after_exclusive", GINT_TO_POINTER (FALSE), test_create_first_pool);
g_test_add_data_func ("/thread_pool/create_exclusive_after_shared", GINT_TO_POINTER (TRUE), test_create_first_pool);
return g_test_run ();
}
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