ui/compositor/test/test_utils.cc

   1 // Copyright (c) 2012 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/compositor/test/test_utils.h"
   6
   7 #include "testing/gtest/include/gtest/gtest.h"
   8 #include "ui/gfx/rect.h"
   9 #include "ui/gfx/transform.h"
  10
  11 namespace ui {
  12
  13 //TODO(avallee): Make this into a predicate and add some matrix pretty printing.
  14 void CheckApproximatelyEqual(const gfx::Transform& lhs,
  15                              const gfx::Transform& rhs) {
  16   unsigned int errors = 0;
  17   for (int i = 0; i < 4; ++i) {
  18     for (int j = 0; j < 4; ++j) {
  19       EXPECT_FLOAT_EQ(lhs.matrix().get(i, j), rhs.matrix().get(i, j))
  20         << "(i, j) = (" << i << ", " << j << "), error count: " << ++errors;
  21     }
  22   }
  23
  24   if (errors) {
  25     ADD_FAILURE() << "Expected matrix:\n"
  26                   << lhs.ToString() << "\n"
  27                   << "Actual matrix:\n"
  28                   << rhs.ToString();
  29   }
  30 }
  31
  32 void CheckApproximatelyEqual(const gfx::Rect& lhs, const gfx::Rect& rhs) {
  33   EXPECT_FLOAT_EQ(lhs.x(), rhs.x());
  34   EXPECT_FLOAT_EQ(lhs.y(), rhs.y());
  35   EXPECT_FLOAT_EQ(lhs.width(), rhs.width());
  36   EXPECT_FLOAT_EQ(lhs.height(), rhs.height());
  37 }
  38
  39 }  // namespace ui