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Diffstat (limited to 'Tools/TestWebKitAPI/Tests/WTF/ScopedLambda.cpp')
-rw-r--r-- | Tools/TestWebKitAPI/Tests/WTF/ScopedLambda.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Tools/TestWebKitAPI/Tests/WTF/ScopedLambda.cpp b/Tools/TestWebKitAPI/Tests/WTF/ScopedLambda.cpp new file mode 100644 index 000000000..3dfee8671 --- /dev/null +++ b/Tools/TestWebKitAPI/Tests/WTF/ScopedLambda.cpp @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2016 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS 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 "config.h" +#include <wtf/ScopedLambda.h> +#include <wtf/Vector.h> + +using namespace WTF; + +namespace TestWebKitAPI { + +// This test relies on this module being compiled with -fno-elide-constructors +TEST(WTF_ScopedLambda, NoRVOLivenessBug) +{ + Vector<int> vector; + for (unsigned i = 0; i < 10; ++i) + vector.append(i); + + auto lambda = scopedLambda<int(size_t)>( + [=] (size_t i) -> int { + return vector[i]; + }); + + for (unsigned i = 0; i < 10; ++i) + EXPECT_EQ(i, static_cast<unsigned>(lambda(i))); +} + +} // namespace TestWebKitAPI + |