Hook up style invalidation for CSS Paint API.

third_party/WebKit/Source/core/css/parser/CSSParserTokenTest.cpp

+// Copyright 2016 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/css/parser/CSSParserToken.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace blink {
+
+static CSSParserString toParserString(const String& string)
+{
+    CSSParserString result;
+    result.init(string);

[esprehn, 2016/05/09 21:59:54]

we should just add explicit constructors to CSSParserString, having to call
init() and add wrapper methods is weird.

[ikilpatrick, 2016/05/10 20:39:37]

Acknowledged.

+    return result;
+}
+
+static CSSParserToken ident(const String& string) { return CSSParserToken(IdentToken, toParserString(string)); }
+static CSSParserToken dimension(double value, const String& unit)
+{
+    CSSParserToken token(NumberToken, value, NumberValueType, NoSign);
+    token.convertToDimensionWithUnit(toParserString(unit));
+    return token;
+}
+
+TEST(CSSParserTokenTest, IdentTokenEquality)
+{
+    String foo8Bit("foo");
+    String bar8Bit("bar");
+    String foo16Bit = String::make16BitFrom8BitSource(foo8Bit.characters8(), foo8Bit.length());
+
+    EXPECT_EQ(ident(foo8Bit), ident(foo16Bit));
+    EXPECT_EQ(ident(foo16Bit), ident(foo8Bit));
+    EXPECT_EQ(ident(foo16Bit), ident(foo16Bit));
+    EXPECT_NE(ident(bar8Bit), ident(foo8Bit));
+    EXPECT_NE(ident(bar8Bit), ident(foo16Bit));
+}
+
+TEST(CSSParserTokenTest, DimensionTokenEquality)
+{
+    String em8Bit("em");
+    String rem8Bit("rem");
+    String em16Bit = String::make16BitFrom8BitSource(em8Bit.characters8(), em8Bit.length());
+
+    EXPECT_EQ(dimension(1, em8Bit), dimension(1, em16Bit));
+    EXPECT_EQ(dimension(1, em8Bit), dimension(1, em8Bit));
+    EXPECT_NE(dimension(1, em8Bit), dimension(1, rem8Bit));
+    EXPECT_NE(dimension(2, em8Bit), dimension(1, em16Bit));
+}
+
+} // namespace blink