Import LappedTransform and friends.
Add code for doing block-based frequency domain processing. Developed
and reviewed in isolation. Corresponding export CL:
https://chromereviews.googleplex.com/95187013/
R=bercic@google.com, kjellander@webrtc.org, turaj@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/31539004
git-svn-id: http://webrtc.googlecode.com/svn/trunk@7359 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/system_wrappers/source/aligned_array_unittest.cc b/webrtc/system_wrappers/source/aligned_array_unittest.cc
new file mode 100644
index 0000000..e5e556d
--- /dev/null
+++ b/webrtc/system_wrappers/source/aligned_array_unittest.cc
@@ -0,0 +1,55 @@
+/*
+ * 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 "webrtc/system_wrappers/interface/aligned_array.h"
+
+#include <stdint.h>
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+bool IsAligned(const void* ptr, int 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 (int i = 0; i < 10; ++i) {
+ ASSERT_TRUE(IsAligned(arr.Row(i), 128));
+ ASSERT_EQ(arr.Row(i), arr.Array()[i]);
+ }
+}
+
+TEST(AlignedArrayTest, CheckOverlap) {
+ AlignedArray<int> arr(10, 7, 128);
+
+ for (int i = 0; i < 10; ++i) {
+ for (int j = 0; j < 7; ++j) {
+ arr.At(i, j) = 20 * i + j;
+ }
+ }
+
+ for (int i = 0; i < 10; ++i) {
+ for (int 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);
+ }
+ }
+}
+
+} // namespace webrtc
+