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// Copyright 2018 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/css/css_property_value_set.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/css/parser/css_parser.h"
#include "third_party/blink/renderer/core/css/parser/css_parser_context.h"
#include "third_party/blink/renderer/core/css/style_rule.h"
#include "third_party/blink/renderer/core/css/style_sheet_contents.h"
#include "third_party/blink/renderer/core/testing/page_test_base.h"
namespace blink {
class CSSPropertyValueSetTest : public PageTestBase {
public:
StyleRule* RuleAt(StyleSheetContents* sheet, wtf_size_t index) {
return ToStyleRule(sheet->ChildRules()[index]);
}
};
TEST_F(CSSPropertyValueSetTest, MergeAndOverrideOnConflictCustomProperty) {
CSSParserContext* context = CSSParserContext::Create(GetDocument());
StyleSheetContents* style_sheet = StyleSheetContents::Create(context);
String sheet_text = R"CSS(
#first {
color: red;
--x:foo;
--y:foo;
}
#second {
color: green;
--x:bar;
--y:bar;
}
)CSS";
CSSParser::ParseSheet(context, style_sheet, sheet_text,
CSSDeferPropertyParsing::kNo);
StyleRule* rule0 = RuleAt(style_sheet, 0);
StyleRule* rule1 = RuleAt(style_sheet, 1);
MutableCSSPropertyValueSet& set0 = rule0->MutableProperties();
MutableCSSPropertyValueSet& set1 = rule1->MutableProperties();
EXPECT_EQ(3u, set0.PropertyCount());
EXPECT_EQ("red", set0.GetPropertyValue(CSSPropertyColor));
EXPECT_EQ("foo", set0.GetPropertyValue(AtomicString("--x")));
EXPECT_EQ("foo", set0.GetPropertyValue(AtomicString("--y")));
EXPECT_EQ(3u, set1.PropertyCount());
EXPECT_EQ("green", set1.GetPropertyValue(CSSPropertyColor));
EXPECT_EQ("bar", set1.GetPropertyValue(AtomicString("--x")));
EXPECT_EQ("bar", set1.GetPropertyValue(AtomicString("--y")));
set0.MergeAndOverrideOnConflict(&set1);
EXPECT_EQ(3u, set0.PropertyCount());
EXPECT_EQ("green", set0.GetPropertyValue(CSSPropertyColor));
EXPECT_EQ("bar", set0.GetPropertyValue(AtomicString("--x")));
EXPECT_EQ("bar", set0.GetPropertyValue(AtomicString("--y")));
EXPECT_EQ(3u, set1.PropertyCount());
EXPECT_EQ("green", set1.GetPropertyValue(CSSPropertyColor));
EXPECT_EQ("bar", set1.GetPropertyValue(AtomicString("--x")));
EXPECT_EQ("bar", set1.GetPropertyValue(AtomicString("--y")));
}
} // namespace blink
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