third_party/WebKit/Source/platform/testing/GeometryPrinters.h

   1 // Copyright 2015 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 #ifndef GeometryPrinters_h
   6 #define GeometryPrinters_h
   7
   8 #include "platform/geometry/FloatRoundedRect.h"
   9 #include <iosfwd>
  10
  11 namespace blink {
  12
  13 class FloatBox;
  14 class FloatPoint;
  15 class FloatPoint3D;
  16 class FloatQuad;
  17 class FloatRect;
  18 class FloatSize;
  19 class LayoutRect;
  20
  21 // GTest print support for geometry classes.
  22 //
  23 // To avoid ODR violations, these should also be declared in the respective
  24 // headers defining these types. This is required because otherwise a template
  25 // instantiation may be instantiated differently, depending on whether this
  26 // declaration is found.
  27 //
  28 // As a result, it is not necessary to include this file in tests in order to
  29 // use these printers. If, however, you get a link error about these symbols,
  30 // you need to make sure the blink_platform_test_support target is linked in
  31 // your unit test binary.
  32 void PrintTo(const FloatBox&, std::ostream*);
  33 void PrintTo(const FloatPoint&, std::ostream*);
  34 void PrintTo(const FloatPoint3D&, std::ostream*);
  35 void PrintTo(const FloatQuad&, std::ostream*);
  36 void PrintTo(const FloatRect&, std::ostream*);
  37 void PrintTo(const FloatRoundedRect&, std::ostream*);
  38 void PrintTo(const FloatRoundedRect::Radii&, std::ostream*);
  39 void PrintTo(const FloatSize&, std::ostream*);
  40 void PrintTo(const LayoutRect&, std::ostream*);
  41
  42 } // namespace blink
  43
  44 #endif // GeometryPrinters_h