зеркало из https://github.com/mozilla/gecko-dev.git
56 строки
1.3 KiB
C++
56 строки
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Assertions.h"
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#include "mozilla/ScopeExit.h"
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using mozilla::MakeScopeExit;
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#define CHECK(c) \
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do { \
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bool cond = !!(c); \
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MOZ_RELEASE_ASSERT(cond, "Failed assertion: " #c); \
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if (!cond) { \
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return false; \
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} \
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} while (false)
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static bool Test() {
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int a = 1;
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int b = 1;
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int c = 1;
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{
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a++;
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auto guardA = MakeScopeExit([&] { a--; });
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b++;
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auto guardB = MakeScopeExit([&] { b--; });
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guardB.release();
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c++;
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auto guardC = MakeScopeExit([&] { c--; });
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{ auto guardC_ = std::move(guardC); }
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CHECK(c == 1);
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}
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CHECK(a == 1);
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CHECK(b == 2);
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CHECK(c == 1);
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return true;
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}
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int main() {
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if (!Test()) {
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return 1;
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}
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return 0;
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}
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