1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/memory/scoped_ptr.h" 6 #include "base/values.h" 7 #include "extensions/common/value_counter.h" 8 #include "testing/gtest/include/gtest/gtest.h" 9 10 class ValueCounterUnittest : public testing::Test { 11 }; 12 13 TEST_F(ValueCounterUnittest, TestAddingSameValue) { 14 extensions::ValueCounter vc; 15 base::ListValue value; 16 ASSERT_EQ(1, vc.Add(value)); 17 ASSERT_EQ(2, vc.Add(value)); 18 } 19 20 TEST_F(ValueCounterUnittest, TestAddingDifferentValue) { 21 extensions::ValueCounter vc; 22 base::ListValue value1; 23 base::DictionaryValue value2; 24 ASSERT_EQ(1, vc.Add(value1)); 25 ASSERT_EQ(1, vc.Add(value2)); 26 } 27 28 TEST_F(ValueCounterUnittest, TestRemovingValue) { 29 extensions::ValueCounter vc; 30 base::ListValue value; 31 ASSERT_EQ(1, vc.Add(value)); 32 ASSERT_EQ(2, vc.Add(value)); 33 ASSERT_EQ(1, vc.Remove(value)); 34 ASSERT_EQ(0, vc.Remove(value)); 35 } 36 37 TEST_F(ValueCounterUnittest, TestAddIfMissing) { 38 extensions::ValueCounter vc; 39 base::ListValue value; 40 ASSERT_EQ(1, vc.AddIfMissing(value)); 41 ASSERT_EQ(1, vc.AddIfMissing(value)); 42 } 43