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 "system_wrappers/include/aligned_array.h"
12 
13 #include <stdint.h>
14 
15 #include "test/gtest.h"
16 
17 namespace {
18 
IsAligned(const void * ptr,size_t alignment)19 bool IsAligned(const void* ptr, size_t alignment) {
20   return reinterpret_cast<uintptr_t>(ptr) % alignment == 0;
21 }
22 
23 }  // namespace
24 
25 namespace webrtc {
26 
TEST(AlignedArrayTest,CheckAlignment)27 TEST(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 
TEST(AlignedArrayTest,CheckOverlap)36 TEST(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 
TEST(AlignedArrayTest,CheckRowsCols)54 TEST(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