blob: ec3a6e414f5c8ac118acc724cab458c1525ef307 [file] [log] [blame]
// Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <gtest/gtest.h>
#include <base/compiler_specific.h>
#include <base/file_util.h>
#include <base/files/file_enumerator.h>
#include "metrics/persistent_integer.h"
const char kBackingFileName[] = "1.pibakf";
const char kBackingFilePattern[] = "*.pibakf";
using chromeos_metrics::PersistentInteger;
class PersistentIntegerTest : public testing::Test {
virtual void SetUp() OVERRIDE {
// Set testing mode.
virtual void TearDown() OVERRIDE {
// Remove backing files. The convention is that they all end in ".pibakf".
base::FileEnumerator f_enum(base::FilePath("."),
for (base::FilePath name = f_enum.Next();
name = f_enum.Next()) {
base::DeleteFile(name, false);
TEST_F(PersistentIntegerTest, BasicChecks) {
scoped_ptr<PersistentInteger> pi(new PersistentInteger(kBackingFileName));
// Test initialization.
EXPECT_EQ(0, pi->Get());
EXPECT_EQ(kBackingFileName, pi->Name()); // boring
// Test set and add.
EXPECT_EQ(5, pi->Get());
// Test persistence.
pi.reset(new PersistentInteger(kBackingFileName));
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));
EXPECT_EQ(0, pi->Get());
int main(int argc, char** argv) {
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();