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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "android-base/scopeguard.h"
#include <utility>
#include <vector>
#include <gtest/gtest.h>
TEST(scopeguard, normal) {
bool guarded_var = true;
{
auto scopeguard = android::base::make_scope_guard([&guarded_var] { guarded_var = false; });
}
ASSERT_FALSE(guarded_var);
}
TEST(scopeguard, disabled) {
bool guarded_var = true;
{
auto scopeguard = android::base::make_scope_guard([&guarded_var] { guarded_var = false; });
scopeguard.Disable();
}
ASSERT_TRUE(guarded_var);
}
TEST(scopeguard, moved) {
int guarded_var = true;
auto scopeguard = android::base::make_scope_guard([&guarded_var] { guarded_var = false; });
{ decltype(scopeguard) new_guard(std::move(scopeguard)); }
EXPECT_FALSE(scopeguard.active());
ASSERT_FALSE(guarded_var);
}
TEST(scopeguard, vector) {
int guarded_var = 0;
{
std::vector<android::base::ScopeGuard<std::function<void()>>> scopeguards;
scopeguards.emplace_back(android::base::make_scope_guard(
std::bind([](int& guarded_var) { guarded_var++; }, std::ref(guarded_var))));
scopeguards.emplace_back(android::base::make_scope_guard(
std::bind([](int& guarded_var) { guarded_var++; }, std::ref(guarded_var))));
}
ASSERT_EQ(guarded_var, 2);
}