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/*
* Copyright (C) 2015 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 <memory>
#include <base/compiler_specific.h>
#include <base/files/file_enumerator.h>
#include <base/files/file_util.h>
#include <base/files/scoped_temp_dir.h>
#include <gtest/gtest.h>
#include "persistent_integer.h"
const char kBackingFileName[] = "1.pibakf";
using chromeos_metrics::PersistentInteger;
class PersistentIntegerTest : public testing::Test {
void SetUp() override {
// Set testing mode.
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
}
protected:
base::ScopedTempDir temp_dir_;
};
TEST_F(PersistentIntegerTest, BasicChecks) {
std::unique_ptr<PersistentInteger> pi(
new PersistentInteger(kBackingFileName, temp_dir_.path()));
// Test initialization.
EXPECT_EQ(0, pi->Get());
EXPECT_EQ(kBackingFileName, pi->Name()); // boring
// Test set and add.
pi->Set(2);
pi->Add(3);
EXPECT_EQ(5, pi->Get());
// Test persistence.
pi.reset(new PersistentInteger(kBackingFileName, temp_dir_.path()));
EXPECT_EQ(5, pi->Get());
// Test GetAndClear.
EXPECT_EQ(5, pi->GetAndClear());
EXPECT_EQ(pi->Get(), 0);
// Another persistence test.
pi.reset(new PersistentInteger(kBackingFileName, temp_dir_.path()));
EXPECT_EQ(0, pi->Get());
}
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