[glib] Add some more thread tests

[Matthias Clasen <matthiasc src gnome org>]

commit b74f46db6b585abe7fb665651e51888aea88b356
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Oct 3 22:22:55 2011 -0400

    Add some more thread tests

 glib/tests/Makefile.am |    3 +
 glib/tests/thread.c    |  119 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 122 insertions(+), 0 deletions(-)
---
diff --git a/glib/tests/Makefile.am b/glib/tests/Makefile.am
index aa5e554..80dd95b 100644
--- a/glib/tests/Makefile.am
+++ b/glib/tests/Makefile.am
@@ -209,6 +209,9 @@ cond_LDADD       = $(progs_ldadd)
 TEST_PROGS      += private
 private_LDADD    = $(progs_ldadd)
 
+TEST_PROGS      += thread
+thread_LDADD     = $(progs_ldadd)
+
 if OS_UNIX
 
 TEST_PROGS    += unix
diff --git a/glib/tests/thread.c b/glib/tests/thread.c
new file mode 100644
index 0000000..18aaa49
--- /dev/null
+++ b/glib/tests/thread.c
@@ -0,0 +1,119 @@
+/* Unit tests for GThread
+ * Copyright (C) 2011 Red Hat, Inc
+ * Author: Matthias Clasen
+ *
+ * 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 <glib.h>
+
+static gpointer
+thread1_func (gpointer data)
+{
+  g_thread_exit (GINT_TO_POINTER (1));
+
+  g_assert_not_reached ();
+
+  return NULL;
+}
+
+/* test that g_thread_exit() works */
+static void
+test_thread1 (void)
+{
+  gpointer result;
+  GThread *thread;
+
+  thread = g_thread_new ("test", thread1_func, NULL, TRUE, NULL);
+
+  result = g_thread_join (thread);
+
+  g_assert_cmpint (GPOINTER_TO_INT (result), ==, 1);
+}
+
+static gpointer
+thread2_func (gpointer data)
+{
+  return g_thread_self ();
+}
+
+/* test that g_thread_self() works */
+static void
+test_thread2 (void)
+{
+  gpointer result;
+  GThread *thread;
+
+  thread = g_thread_new ("test", thread2_func, NULL, TRUE, NULL);
+
+  g_assert (g_thread_self () != thread);
+
+  result = g_thread_join (thread);
+
+  g_assert (result == thread);
+}
+
+static gpointer
+thread3_func (gpointer data)
+{
+  GThread *peer = data;
+  gint retval;
+
+  retval = 3;
+
+  if (peer)
+    {
+      gpointer result;
+
+      result = g_thread_join (peer);
+
+      retval += GPOINTER_TO_INT (result);
+    }
+
+  return GINT_TO_POINTER (retval);
+}
+
+/* test that g_thread_join() works across peers */
+static void
+test_thread3 (void)
+{
+  gpointer result;
+  GThread *thread1, *thread2, *thread3;
+
+  thread1 = g_thread_new ("a", thread3_func, NULL, TRUE, NULL);
+  thread2 = g_thread_new ("b", thread3_func, thread1, TRUE, NULL);
+  thread3 = g_thread_new ("c", thread3_func, thread2, TRUE, NULL);
+
+  result = g_thread_join (thread3);
+
+  g_assert_cmpint (GPOINTER_TO_INT(result), ==, 9);
+}
+
+int
+main (int argc, char *argv[])
+{
+  g_test_init (&argc, &argv, NULL);
+
+  g_assert (g_thread_get_initialized ());
+
+  g_test_add_func ("/thread/thread1", test_thread1);
+  g_test_add_func ("/thread/thread2", test_thread2);
+  g_test_add_func ("/thread/thread3", test_thread3);
+
+  return g_test_run ();
+}