Tools/TestWebKitAPI/Tests/WTF/SetForScope.cpp

/*
 * Copyright (C) 2011 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1. Redistributions of source code must retain the above copyright
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#include "config.h"

#include <wtf/SetForScope.h>

namespace TestWebKitAPI {

TEST(WTF, SetForScopeNested)
{
    bool originallyFalse = false;
    {
        SetForScope<bool> change1OriginallyFalse(originallyFalse, true);
        EXPECT_TRUE(originallyFalse);
        {
            SetForScope<bool> change2OriginallyFalse(originallyFalse, false);
            EXPECT_FALSE(originallyFalse);
        }
        EXPECT_TRUE(originallyFalse);
    }
    EXPECT_FALSE(originallyFalse);
}

} // namespace TestWebKitAPI