Invalidate border/outline on color change only if they use current color

third_party/WebKit/Source/core/style/ComputedStyleTest.cpp

 // 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 "core/style/ComputedStyle.h"
 
 #include "core/style/ClipPathOperation.h"
 #include "core/style/ShapeValue.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 84 matching lines @@
 TEST(ComputedStyleTest,
      UpdatePropertySpecificDifferencesRespectsTransformAnimation) {
   RefPtr<ComputedStyle> style = ComputedStyle::Create();
   RefPtr<ComputedStyle> other = ComputedStyle::Clone(*style);
   other->SetHasCurrentTransformAnimation();
   StyleDifference diff;
   style->UpdatePropertySpecificDifferences(*other, diff);
   EXPECT_TRUE(diff.TransformChanged());
 }
 
+TEST(CompuetedStyleTest, HasOutlineWithCurrentColor) {
+  RefPtr<ComputedStyle> style = ComputedStyle::Create();
+  EXPECT_FALSE(style->HasOutline());
+  EXPECT_FALSE(style->HasOutlineWithCurrentColor());
+  style->SetOutlineColor(StyleColor::CurrentColor());
+  EXPECT_FALSE(style->HasOutlineWithCurrentColor());
+  style->SetOutlineWidth(5);
+  EXPECT_FALSE(style->HasOutlineWithCurrentColor());
+  style->SetOutlineStyle(kBorderStyleSolid);
+  EXPECT_TRUE(style->HasOutlineWithCurrentColor());
+}
+
+TEST(CompuetedStyleTest, HasBorderColorReferencingCurrentColor) {
+  RefPtr<ComputedStyle> style = ComputedStyle::Create();
+  EXPECT_FALSE(style->HasBorderColorReferencingCurrentColor());
+  style->SetBorderBottomColor(StyleColor::CurrentColor());
+  EXPECT_FALSE(style->HasBorderColorReferencingCurrentColor());
+  style->SetBorderBottomWidth(5);
+  EXPECT_FALSE(style->HasBorderColorReferencingCurrentColor());
+  style->SetBorderBottomStyle(kBorderStyleSolid);
+  EXPECT_TRUE(style->HasBorderColorReferencingCurrentColor());
+}
+
 }  // namespace blink