Tests for module 'thread'.

* modules/thread-tests: New file.
* tests/test-thread_self.c: New file.
* tests/test-thread_create.cc: New file.

4 files changed, 133 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index f64fd62452..59f8bf8aba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
 2011-07-08  Bruno Haible  <bruno@clisp.org>
 
+	Tests for module 'thread'.
+	* modules/thread-tests: New file.
+	* tests/test-thread_self.c: New file.
+	* tests/test-thread_create.cc: New file.
+
+2011-07-08  Bruno Haible  <bruno@clisp.org>
+
 	thread: Avoid gcc warnings when using gl_thread_self().
 	* lib/glthread/thread.h (gl_thread_self): Return a pthread_t, not a
 	'void *'.
diff --git a/modules/thread-tests b/modules/thread-tests
new file mode 100644
index 0000000000..38608f30e2
--- /dev/null
+++ b/modules/thread-tests
@@ -0,0 +1,14 @@
+Files:
+tests/test-thread_self.c
+tests/test-thread_create.c
+tests/macros.h
+
+Depends-on:
+
+configure.ac:
+
+Makefile.am:
+TESTS += test-thread_self test-thread_create
+check_PROGRAMS += test-thread_self test-thread_create
+test_thread_self_LDADD = $(LDADD) @LIBTHREAD@
+test_thread_create_LDADD = $(LDADD) @LIBMULTITHREAD@
diff --git a/tests/test-thread_create.c b/tests/test-thread_create.c
new file mode 100644
index 0000000000..1348c8c3c6
--- /dev/null
+++ b/tests/test-thread_create.c
@@ -0,0 +1,78 @@
+/* Test of gl_thread_create () macro.
+   Copyright (C) 2011 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2011.  */
+
+#include <config.h>
+
+#include "glthread/thread.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include "macros.h"
+
+static gl_thread_t main_thread_before;
+static gl_thread_t main_thread_after;
+static gl_thread_t worker_thread;
+
+static int dummy;
+static volatile int work_done;
+
+static void *
+worker_thread_func (void *arg)
+{
+  work_done = 1;
+  return &dummy;
+}
+
+int
+main ()
+{
+  main_thread_before = gl_thread_self ();
+
+  if (glthread_create (&worker_thread, worker_thread_func, NULL) == 0)
+    {
+      void *ret;
+
+      /* Check that gl_thread_self () has the same value before than after the
+         first call to gl_thread_create ().  */
+      main_thread_after = gl_thread_self ();
+      ASSERT (memcmp (&main_thread_before, &main_thread_after,
+                      sizeof (gl_thread_t))
+              == 0);
+
+      gl_thread_join (worker_thread, &ret);
+
+      /* Check the return value of the thread.  */
+      ASSERT (ret == &dummy);
+
+      /* Check that worker_thread_func () has finished executing.  */
+      ASSERT (work_done);
+
+      return 0;
+    }
+  else
+    {
+#if USE_POSIX_THREADS || USE_SOLARIS_THREADS || USE_PTH_THREADS || USE_WIN32_THREADS
+      fputs ("glthread_create failed\n", stderr);
+      return 1;
+#else
+      fputs ("Skipping test: multithreading not enabled\n", stderr);
+      return 77;
+#endif
+    }
+}
diff --git a/tests/test-thread_self.c b/tests/test-thread_self.c
new file mode 100644
index 0000000000..816ee09680
--- /dev/null
+++ b/tests/test-thread_self.c
@@ -0,0 +1,34 @@
+/* Test of gl_thread_self () macro.
+   Copyright (C) 2011 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2011.  */
+
+#include <config.h>
+
+#include "glthread/thread.h"
+
+gl_thread_t main_thread;
+
+int
+main ()
+{
+  /* Check that gl_thread_self () can be used with just $(LIBTHREAD), not
+     $(LIBMULTITHREAD), i.e. in libraries that are multithread-safe but don't
+     create threads themselves.  */
+  main_thread = gl_thread_self ();
+
+  return 0;
+}