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 time = g_get_monotonic_time () + 2 * G_TIME_SPAN_SECOND;
83 io_completed = g_cond_wait_until (&test1_cond, &test1_mutex, time);
84 g_assert (io_completed);
86 g_thread_join (thread);
88 g_mutex_unlock (&test1_mutex);
89 g_main_loop_quit (loop);
90 return G_SOURCE_REMOVE;
94 test1_thread (gpointer user_data)
96 GMainContext *context;
100 /* Wait for main thread to be waiting on test1_cond */
101 g_mutex_lock (&test1_mutex);
103 context = g_main_context_new ();
104 g_assert (g_main_context_get_thread_default () == NULL);
105 g_main_context_push_thread_default (context);
106 g_assert (g_main_context_get_thread_default () == context);
108 file = g_file_new_for_path (TEST_FILE);
109 g_assert (g_file_supports_thread_contexts (file));
111 loop = g_main_loop_new (context, FALSE);
112 g_file_read_async (file, G_PRIORITY_DEFAULT, NULL,
113 opened_for_read, loop);
114 g_object_unref (file);
115 g_main_loop_run (loop);
116 g_main_loop_unref (loop);
119 g_cond_signal (&test1_cond);
120 g_mutex_unlock (&test1_mutex);
122 g_main_context_pop_thread_default (context);
123 g_main_context_unref (context);
128 /* Test 2: If we push a thread-default context in the main thread, we
129 * can run async ops in that context without running the default
133 static gboolean test2_fail (gpointer user_data);
136 test_context_independence (void)
138 GMainContext *context;
141 guint default_timeout;
142 GSource *thread_default_timeout;
144 context = g_main_context_new ();
145 g_assert (g_main_context_get_thread_default () == NULL);
146 g_main_context_push_thread_default (context);
147 g_assert (g_main_context_get_thread_default () == context);
149 file = g_file_new_for_path (TEST_FILE);
150 g_assert (g_file_supports_thread_contexts (file));
152 /* Add a timeout to the main loop, to fail immediately if it gets run */
153 default_timeout = g_timeout_add_full (G_PRIORITY_HIGH, 0,
154 test2_fail, NULL, NULL);
155 /* Add a timeout to the alternate loop, to fail if the I/O *doesn't* run */
156 thread_default_timeout = g_timeout_source_new_seconds (2);
157 g_source_set_callback (thread_default_timeout, test2_fail, NULL, NULL);
158 g_source_attach (thread_default_timeout, context);
160 loop = g_main_loop_new (context, FALSE);
161 g_file_read_async (file, G_PRIORITY_DEFAULT, NULL,
162 opened_for_read, loop);
163 g_object_unref (file);
164 g_main_loop_run (loop);
165 g_main_loop_unref (loop);
167 g_source_remove (default_timeout);
168 g_source_destroy (thread_default_timeout);
169 g_source_unref (thread_default_timeout);
171 g_main_context_pop_thread_default (context);
172 g_main_context_unref (context);
176 test2_fail (gpointer user_data)
178 g_assert_not_reached ();
183 main (int argc, char **argv)
185 GError *error = NULL;
188 g_test_init (&argc, &argv, NULL);
190 g_file_get_contents (TEST_FILE, &test_file_buffer,
191 &test_file_size, &error);
192 g_assert_no_error (error);
194 g_test_add_func ("/gio/contexts/thread-independence", test_thread_independence);
195 g_test_add_func ("/gio/contexts/context-independence", test_context_independence);
199 g_free (test_file_buffer);