1/*
2 *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#include "webrtc/system_wrappers/include/aligned_array.h"
12
13#include <stdint.h>
14
15#include "testing/gtest/include/gtest/gtest.h"
16
17namespace {
18
19bool IsAligned(const void* ptr, size_t alignment) {
20  return reinterpret_cast<uintptr_t>(ptr) % alignment == 0;
21}
22
23}  // namespace
24
25namespace webrtc {
26
27TEST(AlignedArrayTest, CheckAlignment) {
28  AlignedArray<bool> arr(10, 7, 128);
29  ASSERT_TRUE(IsAligned(arr.Array(), 128));
30  for (size_t i = 0; i < 10; ++i) {
31    ASSERT_TRUE(IsAligned(arr.Row(i), 128));
32    ASSERT_EQ(arr.Row(i), arr.Array()[i]);
33  }
34}
35
36TEST(AlignedArrayTest, CheckOverlap) {
37  AlignedArray<size_t> arr(10, 7, 128);
38
39  for (size_t i = 0; i < 10; ++i) {
40    for (size_t j = 0; j < 7; ++j) {
41      arr.At(i, j) = 20 * i + j;
42    }
43  }
44
45  for (size_t i = 0; i < 10; ++i) {
46    for (size_t j = 0; j < 7; ++j) {
47      ASSERT_EQ(arr.At(i, j), 20 * i + j);
48      ASSERT_EQ(arr.Row(i)[j], 20 * i + j);
49      ASSERT_EQ(arr.Array()[i][j], 20 * i + j);
50    }
51  }
52}
53
54TEST(AlignedArrayTest, CheckRowsCols) {
55  AlignedArray<bool> arr(10, 7, 128);
56  ASSERT_EQ(arr.rows(), 10u);
57  ASSERT_EQ(arr.cols(), 7u);
58}
59
60}  // namespace webrtc
61