chromium/src/third_party/blink/renderer/core/css/css_value_test_helper.h

/*
 * Copyright (c) 2013, Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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/**
 * Make testing with gtest and gmock nicer by adding pretty print and other
 * helper functions.
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_VALUE_TEST_HELPER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_VALUE_TEST_HELPER_H_

#include "third_party/blink/renderer/core/css/css_primitive_value.h"
#include "third_party/blink/renderer/core/css/css_value.h"

#include <ostream>

namespace testing {
namespace internal {

// gtest tests won't compile with clang when trying to EXPECT_EQ a class that
// has the "template<typename T> operator T*()" private.
// (See https://code.google.com/p/googletest/issues/detail?id=442)
//
// Work around is to define this custom IsNullLiteralHelper.
char (&IsNullLiteralHelper(const blink::CSSValue&))[2];
}
}  // namespace testing

namespace blink {

inline void PrintTo(const CSSValue& cssValue,
                    ::std::ostream* os,
                    const char* typeName = "CSSValue") {
  *os << typeName << "(" << cssValue.cssText().utf8().data() << ")";
}

inline void PrintTo(const CSSPrimitiveValue& cssValue,
                    ::std::ostream* os,
                    const char* typeName = "CSSPrimitiveValue") {
  PrintTo(static_cast<const CSSValue&>(cssValue), os, typeName);
}

}  // namespace blink

#endif