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

   1 // Copyright 2014 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 "config.h"
   6 #include "core/style/SVGComputedStyle.h"
   7
   8 #include <gtest/gtest.h>
   9
  10 namespace blink {
  11
  12 // Ensures RefPtr values are compared by their values, not by pointers.
  13 #define TEST_STYLE_REFPTR_VALUE_NO_DIFF(type, fieldName) \
  14     { \
  15         RefPtr<SVGComputedStyle> svg1 = SVGComputedStyle::create(); \
  16         RefPtr<SVGComputedStyle> svg2 = SVGComputedStyle::create(); \
  17         RefPtr<type> value1 = type::create(); \
  18         RefPtr<type> value2 = value1->copy(); \
  19         svg1->set##fieldName(value1); \
  20         svg2->set##fieldName(value2); \
  21         EXPECT_FALSE(svg1->diff(svg2.get()).hasDifference()); \
  22     }
  23
  24 // This is not very useful for fields directly stored by values, because they can only be
  25 // compared by values. This macro mainly ensures that we update the comparisons and tests
  26 // when we change some field to RefPtr in the future.
  27 #define TEST_STYLE_VALUE_NO_DIFF(type, fieldName) \
  28     { \
  29         RefPtr<SVGComputedStyle> svg1 = SVGComputedStyle::create(); \
  30         RefPtr<SVGComputedStyle> svg2 = SVGComputedStyle::create(); \
  31         svg1->set##fieldName(SVGComputedStyle::initial##fieldName()); \
  32         svg2->set##fieldName(SVGComputedStyle::initial##fieldName()); \
  33         EXPECT_FALSE(svg1->diff(svg2.get()).hasDifference()); \
  34     }
  35
  36 TEST(SVGComputedStyleTest, StrokeStyleShouldCompareValue)
  37 {
  38     TEST_STYLE_VALUE_NO_DIFF(float, StrokeOpacity);
  39     TEST_STYLE_VALUE_NO_DIFF(float, StrokeMiterLimit);
  40     TEST_STYLE_VALUE_NO_DIFF(UnzoomedLength, StrokeWidth);
  41     TEST_STYLE_VALUE_NO_DIFF(Length, StrokeDashOffset);
  42     TEST_STYLE_REFPTR_VALUE_NO_DIFF(SVGDashArray, StrokeDashArray);
  43
  44     {
  45         RefPtr<SVGComputedStyle> svg1 = SVGComputedStyle::create();
  46         RefPtr<SVGComputedStyle> svg2 = SVGComputedStyle::create();
  47         svg1->setStrokePaint(SVGComputedStyle::initialStrokePaintType(), SVGComputedStyle::initialStrokePaintColor(), SVGComputedStyle::initialStrokePaintUri(), true, false);
  48         svg2->setStrokePaint(SVGComputedStyle::initialStrokePaintType(), SVGComputedStyle::initialStrokePaintColor(), SVGComputedStyle::initialStrokePaintUri(), true, false);
  49         EXPECT_FALSE(svg1->diff(svg2.get()).hasDifference());
  50     }
  51     {
  52         RefPtr<SVGComputedStyle> svg1 = SVGComputedStyle::create();
  53         RefPtr<SVGComputedStyle> svg2 = SVGComputedStyle::create();
  54         svg1->setStrokePaint(SVGComputedStyle::initialStrokePaintType(), SVGComputedStyle::initialStrokePaintColor(), SVGComputedStyle::initialStrokePaintUri(), false, true);
  55         svg2->setStrokePaint(SVGComputedStyle::initialStrokePaintType(), SVGComputedStyle::initialStrokePaintColor(), SVGComputedStyle::initialStrokePaintUri(), false, true);
  56         EXPECT_FALSE(svg1->diff(svg2.get()).hasDifference());
  57     }
  58 }
  59
  60 TEST(SVGComputedStyleTest, MiscStyleShouldCompareValue)
  61 {
  62     TEST_STYLE_VALUE_NO_DIFF(Color, FloodColor);
  63     TEST_STYLE_VALUE_NO_DIFF(float, FloodOpacity);
  64     TEST_STYLE_VALUE_NO_DIFF(Color, LightingColor);
  65     TEST_STYLE_VALUE_NO_DIFF(Length, BaselineShiftValue);
  66 }
  67
  68 } // namespace blink