66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <memory>
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#include <base/compiler_specific.h>
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#include <base/files/file_enumerator.h>
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#include <base/files/file_util.h>
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#include <base/files/scoped_temp_dir.h>
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#include <gtest/gtest.h>
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#include "persistent_integer.h"
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const char kBackingFileName[] = "1.pibakf";
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using chromeos_metrics::PersistentInteger;
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class PersistentIntegerTest : public testing::Test {
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void SetUp() override {
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// Set testing mode.
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ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
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}
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protected:
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base::ScopedTempDir temp_dir_;
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};
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TEST_F(PersistentIntegerTest, BasicChecks) {
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std::unique_ptr<PersistentInteger> pi(
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new PersistentInteger(kBackingFileName, temp_dir_.path()));
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// Test initialization.
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EXPECT_EQ(0, pi->Get());
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EXPECT_EQ(kBackingFileName, pi->Name()); // boring
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// Test set and add.
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pi->Set(2);
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pi->Add(3);
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EXPECT_EQ(5, pi->Get());
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// Test persistence.
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pi.reset(new PersistentInteger(kBackingFileName, temp_dir_.path()));
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EXPECT_EQ(5, pi->Get());
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// Test GetAndClear.
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EXPECT_EQ(5, pi->GetAndClear());
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EXPECT_EQ(pi->Get(), 0);
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// Another persistence test.
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pi.reset(new PersistentInteger(kBackingFileName, temp_dir_.path()));
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EXPECT_EQ(0, pi->Get());
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}
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