5 #define TEST_FILE (SRCDIR "/Makefile.am")
6 char *test_file_buffer;
8 static char async_read_buffer[8192];
11 read_data (GObject *source, GAsyncResult *result, gpointer loop)
13 GInputStream *in = G_INPUT_STREAM (source);
17 nread = g_input_stream_read_finish (in, result, &error);
18 g_assert_no_error (error);
20 g_assert_cmpint (nread, >, 0);
21 g_assert_cmpint (nread, <=, MIN(sizeof (async_read_buffer), test_file_size));
22 g_assert (memcmp (async_read_buffer, test_file_buffer, nread) == 0);
24 g_main_loop_quit (loop);
28 opened_for_read (GObject *source, GAsyncResult *result, gpointer loop)
30 GFile *file = G_FILE (source);
34 in = g_file_read_finish (file, result, &error);
35 g_assert_no_error (error);
37 memset (async_read_buffer, 0, sizeof (async_read_buffer));
38 g_input_stream_read_async (G_INPUT_STREAM (in),
39 async_read_buffer, sizeof (async_read_buffer),
40 G_PRIORITY_DEFAULT, NULL,
46 /* Test 1: Async I/O started in a thread with a thread-default context
47 * will stick to that thread, and will complete even if the default
48 * main loop is blocked. (NB: the last part would not be true if we
49 * were testing GFileMonitor!)
52 static gboolean idle_start_test1_thread (gpointer loop);
53 static gpointer test1_thread (gpointer user_data);
55 static gboolean test1_done;
56 static GCond test1_cond;
57 static GMutex test1_mutex;
60 test_thread_independence (void)
64 loop = g_main_loop_new (NULL, FALSE);
65 g_idle_add (idle_start_test1_thread, loop);
66 g_main_loop_run (loop);
67 g_main_loop_unref (loop);
71 idle_start_test1_thread (gpointer loop)
75 gboolean io_completed;
77 g_mutex_lock (&test1_mutex);
78 thread = g_thread_new ("test1", test1_thread, NULL);
80 g_get_current_time (&time);
84 io_completed = g_cond_timed_wait (&test1_cond, &test1_mutex, &time);
85 g_assert (io_completed);
87 g_thread_join (thread);
89 g_mutex_unlock (&test1_mutex);
90 g_main_loop_quit (loop);
95 test1_thread (gpointer user_data)
97 GMainContext *context;
101 /* Wait for main thread to be waiting on test1_cond */
102 g_mutex_lock (&test1_mutex);
104 context = g_main_context_new ();
105 g_assert (g_main_context_get_thread_default () == NULL);
106 g_main_context_push_thread_default (context);
107 g_assert (g_main_context_get_thread_default () == context);
109 file = g_file_new_for_path (TEST_FILE);
110 g_assert (g_file_supports_thread_contexts (file));
112 loop = g_main_loop_new (context, FALSE);
113 g_file_read_async (file, G_PRIORITY_DEFAULT, NULL,
114 opened_for_read, loop);
115 g_object_unref (file);
116 g_main_loop_run (loop);
117 g_main_loop_unref (loop);
120 g_cond_signal (&test1_cond);
121 g_mutex_unlock (&test1_mutex);
126 /* Test 2: If we push a thread-default context in the main thread, we
127 * can run async ops in that context without running the default
131 static gboolean test2_fail (gpointer user_data);
134 test_context_independence (void)
136 GMainContext *context;
139 guint default_timeout;
140 GSource *thread_default_timeout;
142 context = g_main_context_new ();
143 g_assert (g_main_context_get_thread_default () == NULL);
144 g_main_context_push_thread_default (context);
145 g_assert (g_main_context_get_thread_default () == context);
147 file = g_file_new_for_path (TEST_FILE);
148 g_assert (g_file_supports_thread_contexts (file));
150 /* Add a timeout to the main loop, to fail immediately if it gets run */
151 default_timeout = g_timeout_add_full (G_PRIORITY_HIGH, 0,
152 test2_fail, NULL, NULL);
153 /* Add a timeout to the alternate loop, to fail if the I/O *doesn't* run */
154 thread_default_timeout = g_timeout_source_new_seconds (2);
155 g_source_set_callback (thread_default_timeout, test2_fail, NULL, NULL);
156 g_source_attach (thread_default_timeout, context);
158 loop = g_main_loop_new (context, FALSE);
159 g_file_read_async (file, G_PRIORITY_DEFAULT, NULL,
160 opened_for_read, loop);
161 g_object_unref (file);
162 g_main_loop_run (loop);
163 g_main_loop_unref (loop);
165 g_source_remove (default_timeout);
166 g_source_destroy (thread_default_timeout);
167 g_source_unref (thread_default_timeout);
171 test2_fail (gpointer user_data)
173 g_assert_not_reached ();
178 main (int argc, char **argv)
180 GError *error = NULL;
183 g_test_init (&argc, &argv, NULL);
185 g_file_get_contents (TEST_FILE, &test_file_buffer,
186 &test_file_size, &error);
187 g_assert_no_error (error);
189 g_test_add_func ("/gio/contexts/thread-independence", test_thread_independence);
190 g_test_add_func ("/gio/contexts/context-independence", test_context_independence);