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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
#include <stdint.h>
#include <gtest/gtest.h>
#include <memory>
#include "audio/Buffer.h"
class BufferTest : public testing::Test {
public:
virtual void SetUp() {
}
virtual void TearDown() {
}
};
TEST_F(BufferTest, saveLoadStereoTest) {
const int BUFFER_SIZE = 32;
std::unique_ptr<Buffer> buffer(new Buffer(BUFFER_SIZE, BUFFER_SIZE, true));
ASSERT_TRUE(buffer.get() != NULL);
int16_t* data = (int16_t*)buffer->getData();
ASSERT_TRUE(data != NULL);
for (int i = 0; i < BUFFER_SIZE/4; i++) {
data[2*i] = i;
data[2*i+1] = i;
}
android::String8 file("/tmp/cts_audio_temp");
ASSERT_TRUE(buffer->saveToFile(file));
file.append(".r2s");
std::unique_ptr<Buffer> bufferRead(Buffer::loadFromFile(file));
ASSERT_TRUE(bufferRead.get() != NULL);
ASSERT_TRUE(bufferRead->getSize() == (size_t)BUFFER_SIZE);
ASSERT_TRUE(bufferRead->isStereo());
int16_t* dataRead = (int16_t*)bufferRead->getData();
for (int i = 0; i < BUFFER_SIZE/4; i++) {
ASSERT_TRUE(data[2*i] == dataRead[2*i]);
ASSERT_TRUE(data[2*i+1] == dataRead[2*i+1]);
}
}
TEST_F(BufferTest, monoLTest) {
const int BUFFER_SIZE = 8;
std::unique_ptr<Buffer> buffer(new Buffer(BUFFER_SIZE, BUFFER_SIZE, true));
ASSERT_TRUE(buffer.get() != NULL);
int16_t* data = (int16_t*)buffer->getData();
ASSERT_TRUE(data != NULL);
for (int i = 0; i < BUFFER_SIZE/2; i++) {
data[i] = i;
}
std::unique_ptr<Buffer> bufferl(new Buffer(BUFFER_SIZE/2, BUFFER_SIZE/2, false));
ASSERT_TRUE(bufferl.get() != NULL);
data = (int16_t*)bufferl->getData();
ASSERT_TRUE(data != NULL);
for (int i = 0; i < BUFFER_SIZE/4; i++) {
data[i] = 2 * i;
}
buffer->changeToMono(Buffer::EKeepCh0);
ASSERT_TRUE((*buffer) == (*bufferl));
}