1 files changed, 91 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/tests/TestAutoLock.cpp b/src/libs/xpcom18a4/xpcom/tests/TestAutoLock.cpp
new file mode 100644
index 00000000..4537044f
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/tests/TestAutoLock.cpp
@@ -0,0 +1,91 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+
+  Some tests for nsAutoLock.
+
+ */
+
+#include "nsAutoLock.h"
+#include "prthread.h"
+
+PRLock* gLock;
+int gCount;
+
+static void PR_CALLBACK run(void* arg)
+{
+    for (int i = 0; i < 1000000; ++i) {
+        nsAutoLock guard(gLock);
+        ++gCount;
+        PR_ASSERT(gCount == 1);
+        --gCount;
+    }
+}
+
+
+int main(int argc, char** argv)
+{
+    gLock = PR_NewLock();
+    gCount = 0;
+
+    // This shouldn't compile
+    //nsAutoLock* l1 = new nsAutoLock(theLock);
+    //delete l1;
+
+    // Create a block-scoped lock. This should compile.
+    {
+        nsAutoLock l2(gLock);
+    }
+
+    // Fork a thread to access the shared variable in a tight loop
+    PRThread* t1 =
+        PR_CreateThread(PR_SYSTEM_THREAD,
+                        run,
+                        nsnull,
+                        PR_PRIORITY_NORMAL,
+                        PR_GLOBAL_THREAD,
+                        PR_JOINABLE_THREAD,
+                        0);
+
+    // ...and now do the same thing ourselves
+    run(nsnull);
+
+    // Wait for the background thread to finish, if necessary.
+    PR_JoinThread(t1);
+    return 0;
+}