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 28 virtual void SetUp() { 29 30 } 31 32 virtual void TearDown() { 33 34 } 35 }; 36 37 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 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
