| // Copyright (c) 2013 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 "ui/gfx/sequential_id_generator.h" |
| |
| #include "base/logging.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace ui { |
| |
| typedef testing::Test SequentialIDGeneratorTest; |
| |
| TEST(SequentialIDGeneratorTest, AddRemove) { |
| const uint32 kMinID = 2; |
| SequentialIDGenerator generator(kMinID); |
| |
| EXPECT_EQ(2U, generator.GetGeneratedID(45)); |
| EXPECT_EQ(3U, generator.GetGeneratedID(23)); |
| EXPECT_EQ(2U, generator.GetGeneratedID(45)); |
| EXPECT_TRUE(generator.HasGeneratedIDFor(45)); |
| EXPECT_TRUE(generator.HasGeneratedIDFor(23)); |
| |
| generator.ReleaseGeneratedID(2); |
| EXPECT_FALSE(generator.HasGeneratedIDFor(45)); |
| EXPECT_TRUE(generator.HasGeneratedIDFor(23)); |
| EXPECT_EQ(3U, generator.GetGeneratedID(23)); |
| |
| EXPECT_FALSE(generator.HasGeneratedIDFor(1)); |
| EXPECT_EQ(2U, generator.GetGeneratedID(1)); |
| EXPECT_TRUE(generator.HasGeneratedIDFor(1)); |
| |
| generator.ReleaseGeneratedID(3); |
| EXPECT_EQ(3U, generator.GetGeneratedID(45)); |
| EXPECT_TRUE(generator.HasGeneratedIDFor(45)); |
| |
| generator.ReleaseNumber(45); |
| EXPECT_FALSE(generator.HasGeneratedIDFor(45)); |
| } |
| |
| TEST(SequentialIDGeneratorTest, RemoveMultipleNumbers) { |
| const uint32 kMinID = 4; |
| SequentialIDGenerator generator(kMinID); |
| |
| EXPECT_EQ(4U, generator.GetGeneratedID(45)); |
| EXPECT_EQ(5U, generator.GetGeneratedID(55)); |
| EXPECT_EQ(6U, generator.GetGeneratedID(15)); |
| |
| generator.ReleaseNumber(45); |
| EXPECT_FALSE(generator.HasGeneratedIDFor(45)); |
| generator.ReleaseNumber(15); |
| EXPECT_FALSE(generator.HasGeneratedIDFor(15)); |
| |
| EXPECT_EQ(5U, generator.GetGeneratedID(55)); |
| EXPECT_EQ(4U, generator.GetGeneratedID(12)); |
| |
| generator.ReleaseNumber(12); |
| generator.ReleaseNumber(55); |
| EXPECT_EQ(4U, generator.GetGeneratedID(0)); |
| } |
| |
| } // namespace ui |