Move aligned memory utilities to rtc_base/memory/
This moves them from an API directory (system_wrappers/include/) to a
non-API directory, which is exactly what we want for utilities like
this.
BUG=webrtc:8445
Change-Id: I6dc34fe662f5d87b3b5288d33055345bc6bf91db
Reviewed-on: https://webrtc-review.googlesource.com/21164
Commit-Queue: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22567}diff --git a/rtc_base/memory/aligned_array_unittest.cc b/rtc_base/memory/aligned_array_unittest.cc
new file mode 100644
index 0000000..81fd468
--- /dev/null
+++ b/rtc_base/memory/aligned_array_unittest.cc
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "rtc_base/memory/aligned_array.h"
+
+#include <stdint.h>
+
+#include "test/gtest.h"
+
+namespace {
+
+bool IsAligned(const void* ptr, size_t alignment) {
+ return reinterpret_cast<uintptr_t>(ptr) % alignment == 0;
+}
+
+} // namespace
+
+namespace webrtc {
+
+TEST(AlignedArrayTest, CheckAlignment) {
+ AlignedArray<bool> arr(10, 7, 128);
+ ASSERT_TRUE(IsAligned(arr.Array(), 128));
+ for (size_t i = 0; i < 10; ++i) {
+ ASSERT_TRUE(IsAligned(arr.Row(i), 128));
+ ASSERT_EQ(arr.Row(i), arr.Array()[i]);
+ }
+}
+
+TEST(AlignedArrayTest, CheckOverlap) {
+ AlignedArray<size_t> arr(10, 7, 128);
+
+ for (size_t i = 0; i < 10; ++i) {
+ for (size_t j = 0; j < 7; ++j) {
+ arr.At(i, j) = 20 * i + j;
+ }
+ }
+
+ for (size_t i = 0; i < 10; ++i) {
+ for (size_t j = 0; j < 7; ++j) {
+ ASSERT_EQ(arr.At(i, j), 20 * i + j);
+ ASSERT_EQ(arr.Row(i)[j], 20 * i + j);
+ ASSERT_EQ(arr.Array()[i][j], 20 * i + j);
+ }
+ }
+}
+
+TEST(AlignedArrayTest, CheckRowsCols) {
+ AlignedArray<bool> arr(10, 7, 128);
+ ASSERT_EQ(arr.rows(), 10u);
+ ASSERT_EQ(arr.cols(), 7u);
+}
+
+} // namespace webrtc