src/ui/gfx/test/color_util.cc

   1 // Copyright 2013 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 #include "ui/gfx/test/color_util.h"
   6
   7 #include <iomanip>
   8 #include <sstream>
   9 #include <string>
  10
  11 namespace gfx {
  12
  13 namespace {
  14
  15 std::string ColorAsString(SkColor color) {
  16   std::ostringstream stream;
  17   stream << std::hex << std::uppercase << "#" << std::setfill('0')
  18          << std::setw(2) << SkColorGetA(color)
  19          << std::setw(2) << SkColorGetR(color)
  20          << std::setw(2) << SkColorGetG(color)
  21          << std::setw(2) << SkColorGetB(color);
  22   return stream.str();
  23 }
  24
  25 }  // namespace
  26
  27 ::testing::AssertionResult AssertSkColorsEqual(const char* lhs_expr,
  28                                                const char* rhs_expr,
  29                                                SkColor lhs,
  30                                                SkColor rhs) {
  31   if (lhs == rhs) {
  32     return ::testing::AssertionSuccess();
  33   }
  34   return ::testing::AssertionFailure() << "Value of: " << rhs_expr
  35                                        << "\n  Actual: " << ColorAsString(rhs)
  36                                        << "\nExpected: " << lhs_expr
  37                                        << "\nWhich is: " << ColorAsString(lhs);
  38 }
  39
  40 }  // namespace gfx