| /* |
| * Copyright 2014 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 "third_party/blink/renderer/platform/wtf/text/string_buffer.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace WTF { |
| |
| TEST(StringBufferTest, Initial) { |
| StringBuffer<LChar> buf1; |
| EXPECT_EQ(0u, buf1.length()); |
| EXPECT_FALSE(buf1.Characters()); |
| |
| StringBuffer<LChar> buf2(0); |
| EXPECT_EQ(0u, buf2.length()); |
| EXPECT_FALSE(buf2.Characters()); |
| |
| StringBuffer<LChar> buf3(1); |
| EXPECT_EQ(1u, buf3.length()); |
| EXPECT_TRUE(buf3.Characters()); |
| } |
| |
| TEST(StringBufferTest, shrink) { |
| StringBuffer<LChar> buf(2); |
| EXPECT_EQ(2u, buf.length()); |
| buf[0] = 'a'; |
| buf[1] = 'b'; |
| |
| buf.Shrink(1); |
| EXPECT_EQ(1u, buf.length()); |
| EXPECT_EQ('a', buf[0]); |
| |
| buf.Shrink(0); |
| EXPECT_EQ(0u, buf.length()); |
| } |
| |
| } // namespace WTF |