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// Copyright 2023 The Pigweed Authors
//
// 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
//
// https://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 "pw_function/scope_guard.h"
#include <utility>
#include "gtest/gtest.h"
#include "pw_function/function.h"
namespace pw {
namespace {
TEST(ScopeGuard, ExecutesLambda) {
bool executed = false;
{
ScopeGuard guarded_lambda([&] { executed = true; });
EXPECT_FALSE(executed);
}
EXPECT_TRUE(executed);
}
static bool static_executed = false;
void set_static_executed() { static_executed = true; }
TEST(ScopeGuard, ExecutesFunction) {
{
ScopeGuard guarded_function(set_static_executed);
EXPECT_FALSE(static_executed);
}
EXPECT_TRUE(static_executed);
}
TEST(ScopeGuard, ExecutesPwFunction) {
bool executed = false;
pw::Function<void()> pw_function([&]() { executed = true; });
{
ScopeGuard guarded_pw_function(std::move(pw_function));
EXPECT_FALSE(executed);
}
EXPECT_TRUE(executed);
}
TEST(ScopeGuard, Dismiss) {
bool executed = false;
{
ScopeGuard guard([&] { executed = true; });
EXPECT_FALSE(executed);
guard.Dismiss();
EXPECT_FALSE(executed);
}
EXPECT_FALSE(executed);
}
TEST(ScopeGuard, MoveConstructor) {
bool executed = false;
ScopeGuard first_guard([&] { executed = true; });
{
ScopeGuard second_guard(std::move(first_guard));
EXPECT_FALSE(executed);
}
EXPECT_TRUE(executed);
}
TEST(ScopeGuard, MoveOperator) {
bool executed = false;
ScopeGuard first_guard([&] { executed = true; });
{
ScopeGuard second_guard = std::move(first_guard);
EXPECT_FALSE(executed);
}
EXPECT_TRUE(executed);
}
} // namespace
} // namespace pw
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