Tools/TestWebKitAPI/Tests/WTF/ScopedLambda.cpp

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#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