| 1 | /* |
| 2 | * Copyright (C) 2016 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| 14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| 17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 23 | * THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #include "config.h" |
| 27 | #include <wtf/ScopedLambda.h> |
| 28 | #include <wtf/Vector.h> |
| 29 | |
| 30 | namespace TestWebKitAPI { |
| 31 | |
| 32 | // This test relies on this module being compiled with -fno-elide-constructors |
| 33 | TEST(WTF_ScopedLambda, NoRVOLivenessBug) |
| 34 | { |
| 35 | Vector<int> vector; |
| 36 | for (unsigned i = 0; i < 10; ++i) |
| 37 | vector.append(i); |
| 38 | |
| 39 | auto lambda = scopedLambda<int(size_t)>( |
| 40 | [=] (size_t i) -> int { |
| 41 | return vector[i]; |
| 42 | }); |
| 43 | |
| 44 | for (unsigned i = 0; i < 10; ++i) |
| 45 | EXPECT_EQ(i, static_cast<unsigned>(lambda(i))); |
| 46 | } |
| 47 | |
| 48 | } // namespace TestWebKitAPI |
| 49 | |
| 50 | |