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,
44 /* Test 1: Async I/O started in a thread with a thread-default context
45 * will stick to that thread, and will complete even if the default
46 * main loop is blocked. (NB: the last part would not be true if we
47 * were testing GFileMonitor!)
50 static gboolean idle_start_test1_thread (gpointer loop);
51 static gpointer test1_thread (gpointer user_data);
53 static GCond *test1_cond;
54 static GMutex *test1_mutex;
57 test_thread_independence (void)
61 test1_cond = g_cond_new ();
62 test1_mutex = g_mutex_new ();
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);
69 g_mutex_free (test1_mutex);
70 g_cond_free (test1_cond);
74 idle_start_test1_thread (gpointer loop)
78 gboolean io_completed;
80 g_mutex_lock (test1_mutex);
81 thread = g_thread_create (test1_thread, NULL, TRUE, NULL);
83 g_get_current_time (&time);
85 io_completed = g_cond_timed_wait (test1_cond, test1_mutex, &time);
86 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);
103 g_mutex_unlock (test1_mutex);
105 context = g_main_context_new ();
106 g_assert (g_main_context_get_thread_default () == NULL);
107 g_main_context_push_thread_default (context);
108 g_assert (g_main_context_get_thread_default () == context);
110 file = g_file_new_for_path (TEST_FILE);
111 g_assert (g_file_supports_thread_contexts (file));
113 loop = g_main_loop_new (context, FALSE);
114 g_file_read_async (file, G_PRIORITY_DEFAULT, NULL,
115 opened_for_read, loop);
116 g_main_loop_run (loop);
117 g_main_loop_unref (loop);
119 g_cond_signal (test1_cond);
123 /* Test 2: If we push a thread-default context in the main thread, we
124 * can run async ops in that context without running the default
128 static gboolean test2_fail (gpointer user_data);
131 test_context_independence (void)
133 GMainContext *context;
136 guint default_timeout;
137 GSource *thread_default_timeout;
139 context = g_main_context_new ();
140 g_assert (g_main_context_get_thread_default () == NULL);
141 g_main_context_push_thread_default (context);
142 g_assert (g_main_context_get_thread_default () == context);
144 file = g_file_new_for_path (TEST_FILE);
145 g_assert (g_file_supports_thread_contexts (file));
147 /* Add a timeout to the main loop, to fail immediately if it gets run */
148 default_timeout = g_timeout_add_full (G_PRIORITY_HIGH, 0,
149 test2_fail, NULL, NULL);
150 /* Add a timeout to the alternate loop, to fail if the I/O *doesn't* run */
151 thread_default_timeout = g_timeout_source_new_seconds (2);
152 g_source_set_callback (thread_default_timeout, test2_fail, NULL, NULL);
153 g_source_attach (thread_default_timeout, context);
155 loop = g_main_loop_new (context, FALSE);
156 g_file_read_async (file, G_PRIORITY_DEFAULT, NULL,
157 opened_for_read, loop);
158 g_main_loop_run (loop);
159 g_main_loop_unref (loop);
161 g_source_remove (default_timeout);
162 g_source_destroy (thread_default_timeout);
163 g_source_unref (thread_default_timeout);
167 test2_fail (gpointer user_data)
169 g_assert_not_reached ();
174 main (int argc, char **argv)
176 GError *error = NULL;
178 g_thread_init (NULL);
180 g_test_init (&argc, &argv, NULL);
182 g_file_get_contents (TEST_FILE, &test_file_buffer,
183 &test_file_size, &error);
184 g_assert_no_error (error);
186 g_test_add_func ("/gio/contexts/thread-independence", test_thread_independence);
187 g_test_add_func ("/gio/contexts/context-independence", test_context_independence);