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// Copyright (c) 2012 The Chromium 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 <memory>
#include "base/values.h"
#include "extensions/common/value_counter.h"
#include "testing/gtest/include/gtest/gtest.h"
using ValueCounterTest = testing::Test;
namespace extensions {
TEST_F(ValueCounterTest, TestAddingSameValue) {
ValueCounter vc;
base::ListValue value;
ASSERT_TRUE(vc.Add(value));
ASSERT_FALSE(vc.Add(value));
}
TEST_F(ValueCounterTest, TestAddingDifferentValue) {
ValueCounter vc;
base::ListValue value1;
base::DictionaryValue value2;
ASSERT_TRUE(vc.Add(value1));
ASSERT_TRUE(vc.Add(value2));
}
TEST_F(ValueCounterTest, TestRemovingSameValue) {
ValueCounter vc;
base::ListValue value;
vc.Add(value);
vc.Add(value);
ASSERT_FALSE(vc.Remove(value));
ASSERT_TRUE(vc.Remove(value));
ASSERT_FALSE(vc.Remove(value));
}
TEST_F(ValueCounterTest, TestReAddingSameValue) {
ValueCounter vc;
base::ListValue value;
ASSERT_FALSE(vc.Remove(value));
ASSERT_TRUE(vc.Add(value));
ASSERT_TRUE(vc.Remove(value));
ASSERT_TRUE(vc.Add(value));
ASSERT_TRUE(vc.Remove(value));
ASSERT_FALSE(vc.Remove(value));
}
TEST_F(ValueCounterTest, TestIsEmpty) {
ValueCounter vc;
base::ListValue value1;
base::DictionaryValue value2;
ASSERT_TRUE(vc.is_empty());
vc.Add(value1);
ASSERT_FALSE(vc.is_empty());
vc.Remove(value1);
ASSERT_TRUE(vc.is_empty());
vc.Add(value1);
vc.Add(value2);
ASSERT_FALSE(vc.is_empty());
vc.Remove(value1);
ASSERT_FALSE(vc.is_empty());
vc.Remove(value2);
ASSERT_TRUE(vc.is_empty());
}
} // namespace extensions
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