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-rw-r--r--src/libs/xpcom18a4/xpcom/tests/TestAutoLock.cpp91
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
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+++ 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;
+}