| // Copyright 2019 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/core/layout/style_retain_scope.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/core/style/computed_style.h" |
| #include "third_party/blink/renderer/platform/wtf/thread_specific.h" |
| |
| namespace blink { |
| |
| TEST(StyleRetainScopeTest, Current) { |
| EXPECT_EQ(StyleRetainScope::Current(), nullptr); |
| { |
| StyleRetainScope scope; |
| EXPECT_EQ(StyleRetainScope::Current(), &scope); |
| { |
| StyleRetainScope scope2; |
| EXPECT_EQ(StyleRetainScope::Current(), &scope2); |
| } |
| EXPECT_EQ(StyleRetainScope::Current(), &scope); |
| } |
| EXPECT_EQ(StyleRetainScope::Current(), nullptr); |
| } |
| |
| TEST(StyleRetainScopeTest, Retain) { |
| scoped_refptr<const ComputedStyle> style = ComputedStyle::Create(); |
| EXPECT_TRUE(style->HasOneRef()); |
| { |
| StyleRetainScope scope; |
| scope.Retain(*style); |
| |
| EXPECT_FALSE(style->HasOneRef()); |
| EXPECT_TRUE(style->HasAtLeastOneRef()); |
| } |
| EXPECT_TRUE(style->HasOneRef()); |
| } |
| |
| } // namespace blink |