third_party/WebKit/Source/core/css/CSSValueTestHelper.h

   1 /*
   2  * Copyright (c) 2013, Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 /**
  32  * Make testing with gtest and gmock nicer by adding pretty print and other
  33  * helper functions.
  34  */
  35
  36 #ifndef CSSValueTestHelper_h
  37 #define CSSValueTestHelper_h
  38
  39 #include "core/css/CSSPrimitiveValue.h"
  40 #include "core/css/CSSValue.h"
  41
  42 #include <iostream>
  43
  44 namespace testing {
  45 namespace internal {
  46
  47 // gtest tests won't compile with clang when trying to EXPECT_EQ a class that
  48 // has the "template<typename T> operator T*()" private.
  49 // (See https://code.google.com/p/googletest/issues/detail?id=442)
  50 //
  51 // Work around is to define this custom IsNullLiteralHelper.
  52 char(&IsNullLiteralHelper(const blink::CSSValue&))[2];
  53
  54 }
  55 }
  56
  57 namespace blink {
  58
  59 inline bool operator==(const CSSValue& a, const CSSValue& b)
  60 {
  61     return a.equals(b);
  62 }
  63
  64 inline void PrintTo(const CSSValue& cssValue, ::std::ostream* os, const char* typeName = "CSSValue")
  65 {
  66     *os << typeName << "(" << cssValue.cssText().utf8().data() << ")";
  67 }
  68
  69 inline void PrintTo(const CSSPrimitiveValue& cssValue, ::std::ostream* os, const char* typeName = "CSSPrimitiveValue")
  70 {
  71     PrintTo(static_cast<const CSSValue&>(cssValue), os, typeName);
  72 }
  73
  74 }
  75
  76 #endif