1 /*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5 * use this file except in compliance with the License. You may obtain a copy of
6 * the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations under
14 * the License.
15 */
16
17 #include <stdint.h>
18 #include <gtest/gtest.h>
19
20 #include <memory>
21
22 #include "audio/Buffer.h"
23
24
25 class BufferTest : public testing::Test {
26 public:
27
SetUp()28 virtual void SetUp() {
29
30 }
31
TearDown()32 virtual void TearDown() {
33
34 }
35 };
36
37
TEST_F(BufferTest,saveLoadStereoTest)38 TEST_F(BufferTest, saveLoadStereoTest) {
39 const int BUFFER_SIZE = 32;
40
41 std::unique_ptr<Buffer> buffer(new Buffer(BUFFER_SIZE, BUFFER_SIZE, true));
42 ASSERT_TRUE(buffer.get() != NULL);
43 int16_t* data = (int16_t*)buffer->getData();
44 ASSERT_TRUE(data != NULL);
45 for (int i = 0; i < BUFFER_SIZE/4; i++) {
46 data[2*i] = i;
47 data[2*i+1] = i;
48 }
49 android::String8 file("/tmp/cts_audio_temp");
50 ASSERT_TRUE(buffer->saveToFile(file));
51 file.append(".r2s");
52 std::unique_ptr<Buffer> bufferRead(Buffer::loadFromFile(file));
53 ASSERT_TRUE(bufferRead.get() != NULL);
54 ASSERT_TRUE(bufferRead->getSize() == (size_t)BUFFER_SIZE);
55 ASSERT_TRUE(bufferRead->isStereo());
56 int16_t* dataRead = (int16_t*)bufferRead->getData();
57 for (int i = 0; i < BUFFER_SIZE/4; i++) {
58 ASSERT_TRUE(data[2*i] == dataRead[2*i]);
59 ASSERT_TRUE(data[2*i+1] == dataRead[2*i+1]);
60 }
61 }
62
TEST_F(BufferTest,monoLTest)63 TEST_F(BufferTest, monoLTest) {
64 const int BUFFER_SIZE = 8;
65
66 std::unique_ptr<Buffer> buffer(new Buffer(BUFFER_SIZE, BUFFER_SIZE, true));
67 ASSERT_TRUE(buffer.get() != NULL);
68 int16_t* data = (int16_t*)buffer->getData();
69 ASSERT_TRUE(data != NULL);
70 for (int i = 0; i < BUFFER_SIZE/2; i++) {
71 data[i] = i;
72 }
73 std::unique_ptr<Buffer> bufferl(new Buffer(BUFFER_SIZE/2, BUFFER_SIZE/2, false));
74 ASSERT_TRUE(bufferl.get() != NULL);
75 data = (int16_t*)bufferl->getData();
76 ASSERT_TRUE(data != NULL);
77 for (int i = 0; i < BUFFER_SIZE/4; i++) {
78 data[i] = 2 * i;
79 }
80 buffer->changeToMono(Buffer::EKeepCh0);
81 ASSERT_TRUE((*buffer) == (*bufferl));
82 }
83