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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/base/audio_latency.h"
#include <stdint.h>
#include "base/logging.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media {
// TODO(olka): extend unit tests, use real-world sample rates.
TEST(AudioLatency, HighLatencyBufferSizes) {
#if defined(OS_WIN)
for (int i = 6400; i <= 204800; i *= 2) {
EXPECT_EQ(2 * (i / 100),
AudioLatency::GetHighLatencyBufferSize(i, i / 100));
}
#else
for (int i = 6400; i <= 204800; i *= 2)
EXPECT_EQ(2 * (i / 100), AudioLatency::GetHighLatencyBufferSize(i, 32));
#endif // defined(OS_WIN)
}
TEST(AudioLatency, InteractiveBufferSizes) {
#if defined(OS_ANDROID)
int i = 6400;
for (; i <= 102400; i *= 2)
EXPECT_EQ(2048, AudioLatency::GetInteractiveBufferSize(i / 100));
for (; i <= 204800; i *= 2)
EXPECT_EQ(i / 100, AudioLatency::GetInteractiveBufferSize(i / 100));
#else
for (int i = 6400; i <= 204800; i *= 2)
EXPECT_EQ(i / 100, AudioLatency::GetInteractiveBufferSize(i / 100));
#endif // defined(OS_ANDROID)
}
TEST(AudioLatency, RtcBufferSizes) {
for (int i = 6400; i < 204800; i *= 2) {
EXPECT_EQ(i / 100, AudioLatency::GetRtcBufferSize(i, 0));
#if defined(OS_WIN)
EXPECT_EQ(500, AudioLatency::GetRtcBufferSize(i, 500));
#elif defined(OS_ANDROID)
EXPECT_EQ(i / 50, AudioLatency::GetRtcBufferSize(i, i / 50 - 1));
EXPECT_EQ(i / 50 + 1, AudioLatency::GetRtcBufferSize(i, i / 50 + 1));
#else
EXPECT_EQ(i / 100, AudioLatency::GetRtcBufferSize(i, 500));
#endif // defined(OS_WIN)
}
}
} // namespace media
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