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// Copyright 2016 The Cobalt Authors. All Rights Reserved.
//
// 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 "starboard/audio_sink.h"
#include <limits>
#include "testing/gtest/include/gtest/gtest.h"
namespace starboard {
namespace nplb {
namespace {
const int kFrequencyCD = 44100;
} // namespace
TEST(SbAudioSinkGetNearestSupportedSampleFrequencyTest, SunnyDay) {
int nearest_frequency =
SbAudioSinkGetNearestSupportedSampleFrequency(kFrequencyCD);
EXPECT_GT(nearest_frequency, 0);
EXPECT_EQ(nearest_frequency,
SbAudioSinkGetNearestSupportedSampleFrequency(nearest_frequency));
}
TEST(SbAudioSinkGetNearestSupportedSampleFrequencyTest, ZeroFrequency) {
int nearest_frequency = SbAudioSinkGetNearestSupportedSampleFrequency(0);
EXPECT_GT(nearest_frequency, 0);
}
TEST(SbAudioSinkGetNearestSupportedSampleFrequencyTest, SnapUp) {
int nearest_frequency = SbAudioSinkGetNearestSupportedSampleFrequency(1);
EXPECT_GT(nearest_frequency, 0);
if (nearest_frequency > 1) {
EXPECT_EQ(nearest_frequency,
SbAudioSinkGetNearestSupportedSampleFrequency(2));
}
}
TEST(SbAudioSinkGetNearestSupportedSampleFrequencyTest, Snap) {
int nearest_frequency = SbAudioSinkGetNearestSupportedSampleFrequency(
std::numeric_limits<int>::max());
if (nearest_frequency < std::numeric_limits<int>::max()) {
EXPECT_EQ(nearest_frequency, SbAudioSinkGetNearestSupportedSampleFrequency(
std::numeric_limits<int>::max() - 1));
}
}
} // namespace nplb
} // namespace starboard