test_utils.cc revision 58537e28ecd584eab876aee8be7156509866d23a 
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
11namespace ui {
12
13//TODO(avallee): Make this into a predicate and add some matrix pretty printing.
14void 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
32void 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
40