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PL286/hardware/interfaces/audio/2.0/vts/functional/AudioPrimaryHidlHalTest.cpp

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/*
* Copyright (C) 2017 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.
*/
#define LOG_TAG "VtsHalAudioV2_0TargetTest"
#include <algorithm>
#include <cmath>
#include <cstddef>
#include <cstdio>
#include <limits>
#include <string>
#include <vector>
#include <VtsHalHidlTargetTestBase.h>
#include <android-base/logging.h>
#include <android/hardware/audio/2.0/IDevice.h>
#include <android/hardware/audio/2.0/IDevicesFactory.h>
#include <android/hardware/audio/2.0/IPrimaryDevice.h>
#include <android/hardware/audio/2.0/types.h>
#include <android/hardware/audio/common/2.0/types.h>
#include "utility/AssertOk.h"
#include "utility/Documentation.h"
#include "utility/EnvironmentTearDown.h"
#include "utility/PrettyPrintAudioTypes.h"
#include "utility/ReturnIn.h"
using std::string;
using std::to_string;
using std::vector;
using ::android::sp;
using ::android::hardware::Return;
using ::android::hardware::hidl_handle;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::MQDescriptorSync;
using ::android::hardware::audio::V2_0::AudioDrain;
using ::android::hardware::audio::V2_0::DeviceAddress;
using ::android::hardware::audio::V2_0::IDevice;
using ::android::hardware::audio::V2_0::IPrimaryDevice;
using TtyMode = ::android::hardware::audio::V2_0::IPrimaryDevice::TtyMode;
using ::android::hardware::audio::V2_0::IDevicesFactory;
using ::android::hardware::audio::V2_0::IStream;
using ::android::hardware::audio::V2_0::IStreamIn;
using ::android::hardware::audio::V2_0::TimeSpec;
using ReadParameters = ::android::hardware::audio::V2_0::IStreamIn::ReadParameters;
using ReadStatus = ::android::hardware::audio::V2_0::IStreamIn::ReadStatus;
using ::android::hardware::audio::V2_0::IStreamOut;
using ::android::hardware::audio::V2_0::IStreamOutCallback;
using ::android::hardware::audio::V2_0::MmapBufferInfo;
using ::android::hardware::audio::V2_0::MmapPosition;
using ::android::hardware::audio::V2_0::ParameterValue;
using ::android::hardware::audio::V2_0::Result;
using ::android::hardware::audio::common::V2_0::AudioChannelMask;
using ::android::hardware::audio::common::V2_0::AudioConfig;
using ::android::hardware::audio::common::V2_0::AudioDevice;
using ::android::hardware::audio::common::V2_0::AudioFormat;
using ::android::hardware::audio::common::V2_0::AudioHandleConsts;
using ::android::hardware::audio::common::V2_0::AudioInputFlag;
using ::android::hardware::audio::common::V2_0::AudioIoHandle;
using ::android::hardware::audio::common::V2_0::AudioMode;
using ::android::hardware::audio::common::V2_0::AudioOffloadInfo;
using ::android::hardware::audio::common::V2_0::AudioOutputFlag;
using ::android::hardware::audio::common::V2_0::AudioSource;
using ::android::hardware::audio::common::V2_0::ThreadInfo;
using namespace ::android::hardware::audio::common::test::utility;
// Instance to register global tearDown
static Environment* environment;
class HidlTest : public ::testing::VtsHalHidlTargetTestBase {
protected:
// Convenient member to store results
Result res;
};
//////////////////////////////////////////////////////////////////////////////
////////////////////// getService audio_devices_factory //////////////////////
//////////////////////////////////////////////////////////////////////////////
// Test all audio devices
class AudioHidlTest : public HidlTest {
public:
void SetUp() override {
ASSERT_NO_FATAL_FAILURE(HidlTest::SetUp()); // setup base
if (devicesFactory == nullptr) {
environment->registerTearDown([] { devicesFactory.clear(); });
devicesFactory = ::testing::VtsHalHidlTargetTestBase::getService<
IDevicesFactory>();
}
ASSERT_TRUE(devicesFactory != nullptr);
}
protected:
// Cache the devicesFactory retrieval to speed up each test by ~0.5s
static sp<IDevicesFactory> devicesFactory;
};
sp<IDevicesFactory> AudioHidlTest::devicesFactory;
TEST_F(AudioHidlTest, GetAudioDevicesFactoryService) {
doc::test("test the getService (called in SetUp)");
}
TEST_F(AudioHidlTest, OpenDeviceInvalidParameter) {
doc::test("test passing an invalid parameter to openDevice");
IDevicesFactory::Result result;
sp<IDevice> device;
ASSERT_OK(devicesFactory->openDevice(IDevicesFactory::Device(-1),
returnIn(result, device)));
ASSERT_EQ(IDevicesFactory::Result::INVALID_ARGUMENTS, result);
ASSERT_TRUE(device == nullptr);
}
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////// openDevice primary ///////////////////////////
//////////////////////////////////////////////////////////////////////////////
// Test the primary device
class AudioPrimaryHidlTest : public AudioHidlTest {
public:
/** Primary HAL test are NOT thread safe. */
void SetUp() override {
ASSERT_NO_FATAL_FAILURE(AudioHidlTest::SetUp()); // setup base
if (device == nullptr) {
IDevicesFactory::Result result;
sp<IDevice> baseDevice;
ASSERT_OK(
devicesFactory->openDevice(IDevicesFactory::Device::PRIMARY,
returnIn(result, baseDevice)));
ASSERT_OK(result);
ASSERT_TRUE(baseDevice != nullptr);
environment->registerTearDown([] { device.clear(); });
device = IPrimaryDevice::castFrom(baseDevice);
ASSERT_TRUE(device != nullptr);
}
}
protected:
// Cache the device opening to speed up each test by ~0.5s
static sp<IPrimaryDevice> device;
};
sp<IPrimaryDevice> AudioPrimaryHidlTest::device;
TEST_F(AudioPrimaryHidlTest, OpenPrimaryDevice) {
doc::test("Test the openDevice (called in SetUp)");
}
TEST_F(AudioPrimaryHidlTest, Init) {
doc::test("Test that the audio primary hal initialized correctly");
ASSERT_OK(device->initCheck());
}
//////////////////////////////////////////////////////////////////////////////
///////////////////// {set,get}{Master,Mic}{Mute,Volume} /////////////////////
//////////////////////////////////////////////////////////////////////////////
template <class Property>
class AccessorPrimaryHidlTest : public AudioPrimaryHidlTest {
protected:
/** Test a property getter and setter. */
template <class Getter, class Setter>
void testAccessors(const string& propertyName,
const vector<Property>& valuesToTest, Setter setter,
Getter getter,
const vector<Property>& invalidValues = {}) {
Property initialValue; // Save initial value to restore it at the end
// of the test
ASSERT_OK((device.get()->*getter)(returnIn(res, initialValue)));
ASSERT_OK(res);
for (Property setValue : valuesToTest) {
SCOPED_TRACE("Test " + propertyName + " getter and setter for " +
testing::PrintToString(setValue));
ASSERT_OK((device.get()->*setter)(setValue));
Property getValue;
// Make sure the getter returns the same value just set
ASSERT_OK((device.get()->*getter)(returnIn(res, getValue)));
ASSERT_OK(res);
EXPECT_EQ(setValue, getValue);
}
for (Property invalidValue : invalidValues) {
SCOPED_TRACE("Try to set " + propertyName +
" with the invalid value " +
testing::PrintToString(invalidValue));
EXPECT_RESULT(Result::INVALID_ARGUMENTS,
(device.get()->*setter)(invalidValue));
}
ASSERT_OK(
(device.get()->*setter)(initialValue)); // restore initial value
}
/** Test the getter and setter of an optional feature. */
template <class Getter, class Setter>
void testOptionalAccessors(const string& propertyName,
const vector<Property>& valuesToTest,
Setter setter, Getter getter,
const vector<Property>& invalidValues = {}) {
doc::test("Test the optional " + propertyName + " getters and setter");
{
SCOPED_TRACE("Test feature support by calling the getter");
Property initialValue;
ASSERT_OK((device.get()->*getter)(returnIn(res, initialValue)));
if (res == Result::NOT_SUPPORTED) {
doc::partialTest(propertyName + " getter is not supported");
return;
}
ASSERT_OK(res); // If it is supported it must succeed
}
// The feature is supported, test it
testAccessors(propertyName, valuesToTest, setter, getter,
invalidValues);
}
};
using BoolAccessorPrimaryHidlTest = AccessorPrimaryHidlTest<bool>;
TEST_F(BoolAccessorPrimaryHidlTest, MicMuteTest) {
doc::test("Check that the mic can be muted and unmuted");
testAccessors("mic mute", {true, false, true}, &IDevice::setMicMute,
&IDevice::getMicMute);
// TODO: check that the mic is really muted (all sample are 0)
}
TEST_F(BoolAccessorPrimaryHidlTest, MasterMuteTest) {
doc::test(
"If master mute is supported, try to mute and unmute the master "
"output");
testOptionalAccessors("master mute", {true, false, true},
&IDevice::setMasterMute, &IDevice::getMasterMute);
// TODO: check that the master volume is really muted
}
using FloatAccessorPrimaryHidlTest = AccessorPrimaryHidlTest<float>;
TEST_F(FloatAccessorPrimaryHidlTest, MasterVolumeTest) {
doc::test("Test the master volume if supported");
testOptionalAccessors("master volume", {0, 0.5, 1},
&IDevice::setMasterVolume, &IDevice::getMasterVolume,
{-0.1, 1.1, NAN, INFINITY, -INFINITY,
1 + std::numeric_limits<float>::epsilon()});
// TODO: check that the master volume is really changed
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////// AudioPatches ////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
class AudioPatchPrimaryHidlTest : public AudioPrimaryHidlTest {
protected:
bool areAudioPatchesSupported() {
auto result = device->supportsAudioPatches();
EXPECT_IS_OK(result);
return result;
}
};
TEST_F(AudioPatchPrimaryHidlTest, AudioPatches) {
doc::test("Test if audio patches are supported");
if (!areAudioPatchesSupported()) {
doc::partialTest("Audio patches are not supported");
return;
}
// TODO: test audio patches
}
//////////////////////////////////////////////////////////////////////////////
//////////////// Required and recommended audio format support ///////////////
// From:
// https://source.android.com/compatibility/android-cdd.html#5_4_audio_recording
// From:
// https://source.android.com/compatibility/android-cdd.html#5_5_audio_playback
/////////// TODO: move to the beginning of the file for easier update ////////
//////////////////////////////////////////////////////////////////////////////
class AudioConfigPrimaryTest : public AudioPatchPrimaryHidlTest {
public:
// Cache result ?
static const vector<AudioConfig> getRequiredSupportPlaybackAudioConfig() {
return combineAudioConfig(
{AudioChannelMask::OUT_STEREO, AudioChannelMask::OUT_MONO},
{8000, 11025, 16000, 22050, 32000, 44100},
{AudioFormat::PCM_16_BIT});
}
static const vector<AudioConfig>
getRecommendedSupportPlaybackAudioConfig() {
return combineAudioConfig(
{AudioChannelMask::OUT_STEREO, AudioChannelMask::OUT_MONO},
{24000, 48000}, {AudioFormat::PCM_16_BIT});
}
static const vector<AudioConfig> getSupportedPlaybackAudioConfig() {
// TODO: retrieve audio config supported by the platform
// as declared in the policy configuration
return {};
}
static const vector<AudioConfig> getRequiredSupportCaptureAudioConfig() {
return combineAudioConfig({AudioChannelMask::IN_MONO},
{8000, 11025, 16000, 44100},
{AudioFormat::PCM_16_BIT});
}
static const vector<AudioConfig> getRecommendedSupportCaptureAudioConfig() {
return combineAudioConfig({AudioChannelMask::IN_STEREO}, {22050, 48000},
{AudioFormat::PCM_16_BIT});
}
static const vector<AudioConfig> getSupportedCaptureAudioConfig() {
// TODO: retrieve audio config supported by the platform
// as declared in the policy configuration
return {};
}
private:
static const vector<AudioConfig> combineAudioConfig(
vector<AudioChannelMask> channelMasks, vector<uint32_t> sampleRates,
vector<AudioFormat> formats) {
vector<AudioConfig> configs;
for (auto channelMask : channelMasks) {
for (auto sampleRate : sampleRates) {
for (auto format : formats) {
AudioConfig config{};
// leave offloadInfo to 0
config.channelMask = channelMask;
config.sampleRateHz = sampleRate;
config.format = format;
// FIXME: leave frameCount to 0 ?
configs.push_back(config);
}
}
}
return configs;
}
};
/** Generate a test name based on an audio config.
*
* As the only parameter changing are channel mask and sample rate,
* only print those ones in the test name.
*/
static string generateTestName(
const testing::TestParamInfo<AudioConfig>& info) {
const AudioConfig& config = info.param;
return to_string(info.index) + "__" + to_string(config.sampleRateHz) + "_" +
// "MONO" is more clear than "FRONT_LEFT"
((config.channelMask == AudioChannelMask::OUT_MONO ||
config.channelMask == AudioChannelMask::IN_MONO)
? "MONO"
: toString(config.channelMask));
}
//////////////////////////////////////////////////////////////////////////////
///////////////////////////// getInputBufferSize /////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// FIXME: execute input test only if platform declares
// android.hardware.microphone
// how to get this value ? is it a property ???
class AudioCaptureConfigPrimaryTest
: public AudioConfigPrimaryTest,
public ::testing::WithParamInterface<AudioConfig> {
protected:
void inputBufferSizeTest(const AudioConfig& audioConfig,
bool supportRequired) {
uint64_t bufferSize;
ASSERT_OK(
device->getInputBufferSize(audioConfig, returnIn(res, bufferSize)));
switch (res) {
case Result::INVALID_ARGUMENTS:
EXPECT_FALSE(supportRequired);
break;
case Result::OK:
// Check that the buffer is of a sane size
// For now only that it is > 0
EXPECT_GT(bufferSize, uint64_t(0));
break;
default:
FAIL() << "Invalid return status: "
<< ::testing::PrintToString(res);
}
}
};
// Test that the required capture config and those declared in the policy are
// indeed supported
class RequiredInputBufferSizeTest : public AudioCaptureConfigPrimaryTest {};
TEST_P(RequiredInputBufferSizeTest, RequiredInputBufferSizeTest) {
doc::test(
"Input buffer size must be retrievable for a format with required "
"support.");
inputBufferSizeTest(GetParam(), true);
}
INSTANTIATE_TEST_CASE_P(
RequiredInputBufferSize, RequiredInputBufferSizeTest,
::testing::ValuesIn(
AudioConfigPrimaryTest::getRequiredSupportCaptureAudioConfig()),
&generateTestName);
INSTANTIATE_TEST_CASE_P(
SupportedInputBufferSize, RequiredInputBufferSizeTest,
::testing::ValuesIn(
AudioConfigPrimaryTest::getSupportedCaptureAudioConfig()),
&generateTestName);
// Test that the recommended capture config are supported or lead to a
// INVALID_ARGUMENTS return
class OptionalInputBufferSizeTest : public AudioCaptureConfigPrimaryTest {};
TEST_P(OptionalInputBufferSizeTest, OptionalInputBufferSizeTest) {
doc::test(
"Input buffer size should be retrievable for a format with recommended "
"support.");
inputBufferSizeTest(GetParam(), false);
}
INSTANTIATE_TEST_CASE_P(
RecommendedCaptureAudioConfigSupport, OptionalInputBufferSizeTest,
::testing::ValuesIn(
AudioConfigPrimaryTest::getRecommendedSupportCaptureAudioConfig()),
&generateTestName);
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////// setScreenState ///////////////////////////////
//////////////////////////////////////////////////////////////////////////////
TEST_F(AudioPrimaryHidlTest, setScreenState) {
doc::test("Check that the hal can receive the screen state");
for (bool turnedOn : {false, true, true, false, false}) {
auto ret = device->setScreenState(turnedOn);
ASSERT_IS_OK(ret);
Result result = ret;
auto okOrNotSupported = {Result::OK, Result::NOT_SUPPORTED};
ASSERT_RESULT(okOrNotSupported, result);
}
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////// {get,set}Parameters /////////////////////////////
//////////////////////////////////////////////////////////////////////////////
TEST_F(AudioPrimaryHidlTest, getParameters) {
doc::test("Check that the hal can set and get parameters");
hidl_vec<hidl_string> keys;
hidl_vec<ParameterValue> values;
ASSERT_OK(device->getParameters(keys, returnIn(res, values)));
ASSERT_OK(device->setParameters(values));
values.resize(0);
ASSERT_OK(device->setParameters(values));
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////// debugDebug //////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
template <class DebugDump>
static void testDebugDump(DebugDump debugDump) {
// Dump in a temporary file
// Note that SELinux must be deactivate for this test to work
FILE* file = tmpfile();
ASSERT_NE(nullptr, file) << errno;
// Wrap the temporary file file descriptor in a native handle
auto* nativeHandle = native_handle_create(1, 0);
ASSERT_NE(nullptr, nativeHandle);
nativeHandle->data[0] = fileno(file);
// Wrap this native handle in a hidl handle
hidl_handle handle;
handle.setTo(nativeHandle, true /*take ownership*/);
ASSERT_OK(debugDump(handle));
// Check that at least one bit was written by the hal
// TODO: debugDump does not return a Result.
// This mean that the hal can not report that it not implementing the
// function.
rewind(file); // can not fail
char buff;
if (fread(&buff, sizeof(buff), 1, file) != 1) {
doc::note("debugDump does not seem implemented");
}
EXPECT_EQ(0, fclose(file)) << errno;
}
TEST_F(AudioPrimaryHidlTest, DebugDump) {
doc::test("Check that the hal can dump its state without error");
testDebugDump([](const auto& handle) { return device->debugDump(handle); });
}
TEST_F(AudioPrimaryHidlTest, DebugDumpInvalidArguments) {
doc::test("Check that the hal dump doesn't crash on invalid arguments");
ASSERT_OK(device->debugDump(hidl_handle()));
}
//////////////////////////////////////////////////////////////////////////////
////////////////////////// open{Output,Input}Stream //////////////////////////
//////////////////////////////////////////////////////////////////////////////
template <class Stream>
class OpenStreamTest : public AudioConfigPrimaryTest,
public ::testing::WithParamInterface<AudioConfig> {
protected:
template <class Open>
void testOpen(Open openStream, const AudioConfig& config) {
// FIXME: Open a stream without an IOHandle
// This is not required to be accepted by hal implementations
AudioIoHandle ioHandle =
(AudioIoHandle)AudioHandleConsts::AUDIO_IO_HANDLE_NONE;
AudioConfig suggestedConfig{};
ASSERT_OK(openStream(ioHandle, config,
returnIn(res, stream, suggestedConfig)));
// TODO: only allow failure for RecommendedPlaybackAudioConfig
switch (res) {
case Result::OK:
ASSERT_TRUE(stream != nullptr);
audioConfig = config;
break;
case Result::INVALID_ARGUMENTS:
ASSERT_TRUE(stream == nullptr);
AudioConfig suggestedConfigRetry;
// Could not open stream with config, try again with the
// suggested one
ASSERT_OK(
openStream(ioHandle, suggestedConfig,
returnIn(res, stream, suggestedConfigRetry)));
// This time it must succeed
ASSERT_OK(res);
ASSERT_TRUE(stream != nullptr);
audioConfig = suggestedConfig;
break;
default:
FAIL() << "Invalid return status: "
<< ::testing::PrintToString(res);
}
open = true;
}
Return<Result> closeStream() {
open = false;
return stream->close();
}
private:
void TearDown() override {
if (open) {
ASSERT_OK(stream->close());
}
}
protected:
AudioConfig audioConfig;
DeviceAddress address = {};
sp<Stream> stream;
bool open = false;
};
////////////////////////////// openOutputStream //////////////////////////////
class OutputStreamTest : public OpenStreamTest<IStreamOut> {
virtual void SetUp() override {
ASSERT_NO_FATAL_FAILURE(OpenStreamTest::SetUp()); // setup base
address.device = AudioDevice::OUT_DEFAULT;
const AudioConfig& config = GetParam();
AudioOutputFlag flags =
AudioOutputFlag::NONE; // TODO: test all flag combination
testOpen(
[&](AudioIoHandle handle, AudioConfig config, auto cb) {
return device->openOutputStream(handle, address, config, flags,
cb);
},
config);
}
};
TEST_P(OutputStreamTest, OpenOutputStreamTest) {
doc::test(
"Check that output streams can be open with the required and "
"recommended config");
// Open done in SetUp
}
INSTANTIATE_TEST_CASE_P(
RequiredOutputStreamConfigSupport, OutputStreamTest,
::testing::ValuesIn(
AudioConfigPrimaryTest::getRequiredSupportPlaybackAudioConfig()),
&generateTestName);
INSTANTIATE_TEST_CASE_P(
SupportedOutputStreamConfig, OutputStreamTest,
::testing::ValuesIn(
AudioConfigPrimaryTest::getSupportedPlaybackAudioConfig()),
&generateTestName);
INSTANTIATE_TEST_CASE_P(
RecommendedOutputStreamConfigSupport, OutputStreamTest,
::testing::ValuesIn(
AudioConfigPrimaryTest::getRecommendedSupportPlaybackAudioConfig()),
&generateTestName);
////////////////////////////// openInputStream //////////////////////////////
class InputStreamTest : public OpenStreamTest<IStreamIn> {
virtual void SetUp() override {
ASSERT_NO_FATAL_FAILURE(OpenStreamTest::SetUp()); // setup base
address.device = AudioDevice::IN_DEFAULT;
const AudioConfig& config = GetParam();
AudioInputFlag flags =
AudioInputFlag::NONE; // TODO: test all flag combination
AudioSource source =
AudioSource::DEFAULT; // TODO: test all flag combination
testOpen(
[&](AudioIoHandle handle, AudioConfig config, auto cb) {
return device->openInputStream(handle, address, config, flags,
source, cb);
},
config);
}
};
TEST_P(InputStreamTest, OpenInputStreamTest) {
doc::test(
"Check that input streams can be open with the required and "
"recommended config");
// Open done in setup
}
INSTANTIATE_TEST_CASE_P(
RequiredInputStreamConfigSupport, InputStreamTest,
::testing::ValuesIn(
AudioConfigPrimaryTest::getRequiredSupportCaptureAudioConfig()),
&generateTestName);
INSTANTIATE_TEST_CASE_P(
SupportedInputStreamConfig, InputStreamTest,
::testing::ValuesIn(
AudioConfigPrimaryTest::getSupportedCaptureAudioConfig()),
&generateTestName);
INSTANTIATE_TEST_CASE_P(
RecommendedInputStreamConfigSupport, InputStreamTest,
::testing::ValuesIn(
AudioConfigPrimaryTest::getRecommendedSupportCaptureAudioConfig()),
&generateTestName);
//////////////////////////////////////////////////////////////////////////////
////////////////////////////// IStream getters ///////////////////////////////
//////////////////////////////////////////////////////////////////////////////
/** Unpack the provided result.
* If the result is not OK, register a failure and return an undefined value. */
template <class R>
static R extract(Return<R> ret) {
if (!ret.isOk()) {
EXPECT_IS_OK(ret);
return R{};
}
return ret;
}
/* Could not find a way to write a test for two parametrized class fixure
* thus use this macro do duplicate tests for Input and Output stream */
#define TEST_IO_STREAM(test_name, documentation, code) \
TEST_P(InputStreamTest, test_name) { \
doc::test(documentation); \
code; \
} \
TEST_P(OutputStreamTest, test_name) { \
doc::test(documentation); \
code; \
}
TEST_IO_STREAM(
GetFrameCount,
"Check that the stream frame count == the one it was opened with",
ASSERT_EQ(audioConfig.frameCount, extract(stream->getFrameCount())))
TEST_IO_STREAM(GetSampleRate, "Check that the stream sample rate == the one it was opened with",
ASSERT_EQ(audioConfig.sampleRateHz, extract(stream->getSampleRate())))
TEST_IO_STREAM(GetChannelMask, "Check that the stream channel mask == the one it was opened with",
ASSERT_EQ(audioConfig.channelMask, extract(stream->getChannelMask())))
TEST_IO_STREAM(GetFormat,
"Check that the stream format == the one it was opened with",
ASSERT_EQ(audioConfig.format, extract(stream->getFormat())))
// TODO: for now only check that the framesize is not incoherent
TEST_IO_STREAM(GetFrameSize,
"Check that the stream frame size == the one it was opened with",
ASSERT_GT(extract(stream->getFrameSize()), 0U))
TEST_IO_STREAM(GetBufferSize,
"Check that the stream buffer size== the one it was opened with",
ASSERT_GE(extract(stream->getBufferSize()),
extract(stream->getFrameSize())));
template <class Property, class CapabilityGetter, class Getter, class Setter>
static void testCapabilityGetter(const string& name, IStream* stream,
Property currentValue,
CapabilityGetter capablityGetter,
Getter getter, Setter setter) {
hidl_vec<Property> capabilities;
ASSERT_OK((stream->*capablityGetter)(returnIn(capabilities)));
if (capabilities.size() == 0) {
// The default hal should probably return a NOT_SUPPORTED if the hal
// does not expose
// capability retrieval. For now it returns an empty list if not
// implemented
doc::partialTest(name + " is not supported");
return;
};
// TODO: This code has never been tested on a hal that supports
// getSupportedSampleRates
EXPECT_NE(std::find(capabilities.begin(), capabilities.end(), currentValue),
capabilities.end())
<< "current " << name << " is not in the list of the supported ones "
<< toString(capabilities);
// Check that all declared supported values are indeed supported
for (auto capability : capabilities) {
ASSERT_OK((stream->*setter)(capability));
ASSERT_EQ(capability, extract((stream->*getter)()));
}
}
TEST_IO_STREAM(SupportedSampleRate,
"Check that the stream sample rate is declared as supported",
testCapabilityGetter("getSupportedSampleRate", stream.get(),
extract(stream->getSampleRate()),
&IStream::getSupportedSampleRates,
&IStream::getSampleRate,
&IStream::setSampleRate))
TEST_IO_STREAM(SupportedChannelMask,
"Check that the stream channel mask is declared as supported",
testCapabilityGetter("getSupportedChannelMask", stream.get(),
extract(stream->getChannelMask()),
&IStream::getSupportedChannelMasks,
&IStream::getChannelMask,
&IStream::setChannelMask))
TEST_IO_STREAM(SupportedFormat,
"Check that the stream format is declared as supported",
testCapabilityGetter("getSupportedFormat", stream.get(),
extract(stream->getFormat()),
&IStream::getSupportedFormats,
&IStream::getFormat, &IStream::setFormat))
static void testGetDevice(IStream* stream, AudioDevice expectedDevice) {
// Unfortunately the interface does not allow the implementation to return
// NOT_SUPPORTED
// Thus allow NONE as signaling that the call is not supported.
auto ret = stream->getDevice();
ASSERT_IS_OK(ret);
AudioDevice device = ret;
ASSERT_TRUE(device == expectedDevice || device == AudioDevice::NONE)
<< "Expected: " << ::testing::PrintToString(expectedDevice)
<< "\n Actual: " << ::testing::PrintToString(device);
}
TEST_IO_STREAM(GetDevice,
"Check that the stream device == the one it was opened with",
areAudioPatchesSupported()
? doc::partialTest("Audio patches are supported")
: testGetDevice(stream.get(), address.device))
static void testSetDevice(IStream* stream, const DeviceAddress& address) {
DeviceAddress otherAddress = address;
otherAddress.device = (address.device & AudioDevice::BIT_IN) == 0
? AudioDevice::OUT_SPEAKER
: AudioDevice::IN_BUILTIN_MIC;
EXPECT_OK(stream->setDevice(otherAddress));
ASSERT_OK(stream->setDevice(address)); // Go back to the original value
}
TEST_IO_STREAM(
SetDevice,
"Check that the stream can be rerouted to SPEAKER or BUILTIN_MIC",
areAudioPatchesSupported() ? doc::partialTest("Audio patches are supported")
: testSetDevice(stream.get(), address))
static void testGetAudioProperties(IStream* stream, AudioConfig expectedConfig) {
uint32_t sampleRateHz;
AudioChannelMask mask;
AudioFormat format;
stream->getAudioProperties(returnIn(sampleRateHz, mask, format));
// FIXME: the qcom hal it does not currently negotiate the sampleRate &
// channel mask
EXPECT_EQ(expectedConfig.sampleRateHz, sampleRateHz);
EXPECT_EQ(expectedConfig.channelMask, mask);
EXPECT_EQ(expectedConfig.format, format);
}
TEST_IO_STREAM(GetAudioProperties,
"Check that the stream audio properties == the ones it was opened with",
testGetAudioProperties(stream.get(), audioConfig))
static void testConnectedState(IStream* stream) {
DeviceAddress address = {};
using AD = AudioDevice;
for (auto device :
{AD::OUT_HDMI, AD::OUT_WIRED_HEADPHONE, AD::IN_USB_HEADSET}) {
address.device = device;
ASSERT_OK(stream->setConnectedState(address, true));
ASSERT_OK(stream->setConnectedState(address, false));
}
}
TEST_IO_STREAM(SetConnectedState,
"Check that the stream can be notified of device connection and "
"deconnection",
testConnectedState(stream.get()))
static auto invalidArgsOrNotSupportedOrOK = {Result::INVALID_ARGUMENTS,
Result::NOT_SUPPORTED, Result::OK};
TEST_IO_STREAM(SetHwAvSync, "Try to set hardware sync to an invalid value",
ASSERT_RESULT(invalidArgsOrNotSupportedOrOK,
stream->setHwAvSync(666)))
TEST_IO_STREAM(GetHwAvSync, "Get hardware sync can not fail",
ASSERT_IS_OK(device->getHwAvSync()));
static void checkGetNoParameter(IStream* stream, hidl_vec<hidl_string> keys,
vector<Result> expectedResults) {
hidl_vec<ParameterValue> parameters;
Result res;
ASSERT_OK(stream->getParameters(keys, returnIn(res, parameters)));
ASSERT_RESULT(expectedResults, res);
if (res == Result::OK) {
for (auto& parameter : parameters) {
ASSERT_EQ(0U, parameter.value.size()) << toString(parameter);
}
}
}
/* Get/Set parameter is intended to be an opaque channel between vendors app and
* their HALs.
* Thus can not be meaningfully tested.
*/
TEST_IO_STREAM(getEmptySetParameter, "Retrieve the values of an empty set",
checkGetNoParameter(stream.get(), {} /* keys */, {Result::OK}))
TEST_IO_STREAM(getNonExistingParameter,
"Retrieve the values of an non existing parameter",
checkGetNoParameter(stream.get(),
{"Non existing key"} /* keys */,
{Result::NOT_SUPPORTED}))
TEST_IO_STREAM(setEmptySetParameter,
"Set the values of an empty set of parameters",
ASSERT_RESULT(Result::OK, stream->setParameters({})))
TEST_IO_STREAM(
setNonExistingParameter, "Set the values of an non existing parameter",
// Unfortunately, the set_parameter legacy interface did not return any
// error code when a key is not supported.
// To allow implementation to just wrapped the legacy one, consider OK as a
// valid result for setting a non existing parameter.
ASSERT_RESULT(invalidArgsOrNotSupportedOrOK,
stream->setParameters({{"non existing key", "0"}})))
TEST_IO_STREAM(DebugDump,
"Check that a stream can dump its state without error",
testDebugDump([this](const auto& handle) {
return stream->debugDump(handle);
}))
TEST_IO_STREAM(DebugDumpInvalidArguments,
"Check that the stream dump doesn't crash on invalid arguments",
ASSERT_OK(stream->debugDump(hidl_handle())))
//////////////////////////////////////////////////////////////////////////////
////////////////////////////// addRemoveEffect ///////////////////////////////
//////////////////////////////////////////////////////////////////////////////
TEST_IO_STREAM(AddNonExistingEffect, "Adding a non existing effect should fail",
ASSERT_RESULT(Result::INVALID_ARGUMENTS, stream->addEffect(666)))
TEST_IO_STREAM(RemoveNonExistingEffect,
"Removing a non existing effect should fail",
ASSERT_RESULT(Result::INVALID_ARGUMENTS,
stream->removeEffect(666)))
// TODO: positive tests
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////// Control ////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
TEST_IO_STREAM(standby, "Make sure the stream can be put in stanby",
ASSERT_OK(stream->standby())) // can not fail
static vector<Result> invalidStateOrNotSupported = {Result::INVALID_STATE,
Result::NOT_SUPPORTED};
TEST_IO_STREAM(startNoMmap,
"Starting a mmaped stream before mapping it should fail",
ASSERT_RESULT(invalidStateOrNotSupported, stream->start()))
TEST_IO_STREAM(stopNoMmap,
"Stopping a mmaped stream before mapping it should fail",
ASSERT_RESULT(invalidStateOrNotSupported, stream->stop()))
TEST_IO_STREAM(getMmapPositionNoMmap,
"Get a stream Mmap position before mapping it should fail",
ASSERT_RESULT(invalidStateOrNotSupported, stream->stop()))
TEST_IO_STREAM(close, "Make sure a stream can be closed",
ASSERT_OK(closeStream()))
TEST_IO_STREAM(closeTwice, "Make sure a stream can not be closed twice",
ASSERT_OK(closeStream());
ASSERT_RESULT(Result::INVALID_STATE, closeStream()))
static auto invalidArgsOrNotSupported = {Result::INVALID_ARGUMENTS,
Result::NOT_SUPPORTED};
static void testCreateTooBigMmapBuffer(IStream* stream) {
MmapBufferInfo info;
Result res;
// Assume that int max is a value too big to be allocated
// This is true currently with a 32bit media server, but might not when it
// will run in 64 bit
auto minSizeFrames = std::numeric_limits<int32_t>::max();
ASSERT_OK(stream->createMmapBuffer(minSizeFrames, returnIn(res, info)));
ASSERT_RESULT(invalidArgsOrNotSupported, res);
}
TEST_IO_STREAM(CreateTooBigMmapBuffer, "Create mmap buffer too big should fail",
testCreateTooBigMmapBuffer(stream.get()))
static void testGetMmapPositionOfNonMmapedStream(IStream* stream) {
Result res;
MmapPosition position;
ASSERT_OK(stream->getMmapPosition(returnIn(res, position)));
ASSERT_RESULT(invalidArgsOrNotSupported, res);
}
TEST_IO_STREAM(
GetMmapPositionOfNonMmapedStream,
"Retrieving the mmap position of a non mmaped stream should fail",
testGetMmapPositionOfNonMmapedStream(stream.get()))
//////////////////////////////////////////////////////////////////////////////
///////////////////////////////// StreamIn ///////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
TEST_P(InputStreamTest, GetAudioSource) {
doc::test(
"Retrieving the audio source of an input stream should always succeed");
AudioSource source;
ASSERT_OK(stream->getAudioSource(returnIn(res, source)));
if (res == Result::NOT_SUPPORTED) {
doc::partialTest("getAudioSource is not supported");
return;
}
ASSERT_OK(res);
ASSERT_EQ(AudioSource::DEFAULT, source);
}
static void testUnitaryGain(std::function<Return<Result>(float)> setGain) {
for (float value :
(float[]){-INFINITY, -1.0, 1.0 + std::numeric_limits<float>::epsilon(),
2.0, INFINITY, NAN}) {
EXPECT_RESULT(Result::INVALID_ARGUMENTS, setGain(value)) << "value="
<< value;
}
// Do not consider -0.0 as an invalid value as it is == with 0.0
for (float value : {-0.0, 0.0, 0.01, 0.5, 0.09, 1.0 /* Restore volume*/}) {
EXPECT_OK(setGain(value)) << "value=" << value;
}
}
static void testOptionalUnitaryGain(
std::function<Return<Result>(float)> setGain, string debugName) {
auto result = setGain(1);
ASSERT_IS_OK(result);
if (result == Result::NOT_SUPPORTED) {
doc::partialTest(debugName + " is not supported");
return;
}
testUnitaryGain(setGain);
}
TEST_P(InputStreamTest, SetGain) {
doc::test("The gain of an input stream should only be set between [0,1]");
testOptionalUnitaryGain(
[this](float volume) { return stream->setGain(volume); },
"InputStream::setGain");
}
static void testPrepareForReading(IStreamIn* stream, uint32_t frameSize,
uint32_t framesCount) {
Result res;
// Ignore output parameters as the call should fail
ASSERT_OK(stream->prepareForReading(
frameSize, framesCount,
[&res](auto r, auto&, auto&, auto&, auto&) { res = r; }));
EXPECT_RESULT(Result::INVALID_ARGUMENTS, res);
}
TEST_P(InputStreamTest, PrepareForReadingWithZeroBuffer) {
doc::test(
"Preparing a stream for reading with a 0 sized buffer should fail");
testPrepareForReading(stream.get(), 0, 0);
}
TEST_P(InputStreamTest, PrepareForReadingWithHugeBuffer) {
doc::test(
"Preparing a stream for reading with a 2^32 sized buffer should fail");
testPrepareForReading(stream.get(), 1,
std::numeric_limits<uint32_t>::max());
}
TEST_P(InputStreamTest, PrepareForReadingCheckOverflow) {
doc::test(
"Preparing a stream for reading with a overflowing sized buffer should "
"fail");
auto uintMax = std::numeric_limits<uint32_t>::max();
testPrepareForReading(stream.get(), uintMax, uintMax);
}
TEST_P(InputStreamTest, GetInputFramesLost) {
doc::test(
"The number of frames lost on a never started stream should be 0");
auto ret = stream->getInputFramesLost();
ASSERT_IS_OK(ret);
uint32_t framesLost{ret};
ASSERT_EQ(0U, framesLost);
}
TEST_P(InputStreamTest, getCapturePosition) {
doc::test(
"The capture position of a non prepared stream should not be "
"retrievable");
uint64_t frames;
uint64_t time;
ASSERT_OK(stream->getCapturePosition(returnIn(res, frames, time)));
ASSERT_RESULT(invalidStateOrNotSupported, res);
}
//////////////////////////////////////////////////////////////////////////////
///////////////////////////////// StreamIn ///////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
TEST_P(OutputStreamTest, getLatency) {
doc::test("Make sure latency is over 0");
auto result = stream->getLatency();
ASSERT_IS_OK(result);
ASSERT_GT(result, 0U);
}
TEST_P(OutputStreamTest, setVolume) {
doc::test("Try to set the output volume");
testOptionalUnitaryGain(
[this](float volume) { return stream->setVolume(volume, volume); },
"setVolume");
}
static void testPrepareForWriting(IStreamOut* stream, uint32_t frameSize,
uint32_t framesCount) {
Result res;
// Ignore output parameters as the call should fail
ASSERT_OK(stream->prepareForWriting(
frameSize, framesCount,
[&res](auto r, auto&, auto&, auto&, auto&) { res = r; }));
EXPECT_RESULT(Result::INVALID_ARGUMENTS, res);
}
TEST_P(OutputStreamTest, PrepareForWriteWithZeroBuffer) {
doc::test(
"Preparing a stream for writing with a 0 sized buffer should fail");
testPrepareForWriting(stream.get(), 0, 0);
}
TEST_P(OutputStreamTest, PrepareForWriteWithHugeBuffer) {
doc::test(
"Preparing a stream for writing with a 2^32 sized buffer should fail");
testPrepareForWriting(stream.get(), 1,
std::numeric_limits<uint32_t>::max());
}
TEST_P(OutputStreamTest, PrepareForWritingCheckOverflow) {
doc::test(
"Preparing a stream for writing with a overflowing sized buffer should "
"fail");
auto uintMax = std::numeric_limits<uint32_t>::max();
testPrepareForWriting(stream.get(), uintMax, uintMax);
}
struct Capability {
Capability(IStreamOut* stream) {
EXPECT_OK(stream->supportsPauseAndResume(returnIn(pause, resume)));
auto ret = stream->supportsDrain();
EXPECT_IS_OK(ret);
if (ret.isOk()) {
drain = ret;
}
}
bool pause = false;
bool resume = false;
bool drain = false;
};
TEST_P(OutputStreamTest, SupportsPauseAndResumeAndDrain) {
doc::test(
"Implementation must expose pause, resume and drain capabilities");
Capability(stream.get());
}
template <class Value>
static void checkInvalidStateOr0(Result res, Value value) {
switch (res) {
case Result::INVALID_STATE:
break;
case Result::OK:
ASSERT_EQ(0U, value);
break;
default:
FAIL() << "Unexpected result " << toString(res);
}
}
TEST_P(OutputStreamTest, GetRenderPosition) {
doc::test("A new stream render position should be 0 or INVALID_STATE");
uint32_t dspFrames;
ASSERT_OK(stream->getRenderPosition(returnIn(res, dspFrames)));
if (res == Result::NOT_SUPPORTED) {
doc::partialTest("getRenderPosition is not supported");
return;
}
checkInvalidStateOr0(res, dspFrames);
}
TEST_P(OutputStreamTest, GetNextWriteTimestamp) {
doc::test("A new stream next write timestamp should be 0 or INVALID_STATE");
uint64_t timestampUs;
ASSERT_OK(stream->getNextWriteTimestamp(returnIn(res, timestampUs)));
if (res == Result::NOT_SUPPORTED) {
doc::partialTest("getNextWriteTimestamp is not supported");
return;
}
checkInvalidStateOr0(res, timestampUs);
}
/** Stub implementation of out stream callback. */
class MockOutCallbacks : public IStreamOutCallback {
Return<void> onWriteReady() override { return {}; }
Return<void> onDrainReady() override { return {}; }
Return<void> onError() override { return {}; }
};
static bool isAsyncModeSupported(IStreamOut* stream) {
auto res = stream->setCallback(new MockOutCallbacks);
stream->clearCallback(); // try to restore the no callback state, ignore
// any error
auto okOrNotSupported = {Result::OK, Result::NOT_SUPPORTED};
EXPECT_RESULT(okOrNotSupported, res);
return res.isOk() ? res == Result::OK : false;
}
TEST_P(OutputStreamTest, SetCallback) {
doc::test(
"If supported, registering callback for async operation should never "
"fail");
if (!isAsyncModeSupported(stream.get())) {
doc::partialTest("The stream does not support async operations");
return;
}
ASSERT_OK(stream->setCallback(new MockOutCallbacks));
ASSERT_OK(stream->setCallback(new MockOutCallbacks));
}
TEST_P(OutputStreamTest, clearCallback) {
doc::test(
"If supported, clearing a callback to go back to sync operation should "
"not fail");
if (!isAsyncModeSupported(stream.get())) {
doc::partialTest("The stream does not support async operations");
return;
}
// TODO: Clarify if clearing a non existing callback should fail
ASSERT_OK(stream->setCallback(new MockOutCallbacks));
ASSERT_OK(stream->clearCallback());
}
TEST_P(OutputStreamTest, Resume) {
doc::test(
"If supported, a stream should fail to resume if not previously "
"paused");
if (!Capability(stream.get()).resume) {
doc::partialTest("The output stream does not support resume");
return;
}
ASSERT_RESULT(Result::INVALID_STATE, stream->resume());
}
TEST_P(OutputStreamTest, Pause) {
doc::test(
"If supported, a stream should fail to pause if not previously "
"started");
if (!Capability(stream.get()).pause) {
doc::partialTest("The output stream does not support pause");
return;
}
ASSERT_RESULT(Result::INVALID_STATE, stream->resume());
}
static void testDrain(IStreamOut* stream, AudioDrain type) {
if (!Capability(stream).drain) {
doc::partialTest("The output stream does not support drain");
return;
}
ASSERT_RESULT(Result::OK, stream->drain(type));
}
TEST_P(OutputStreamTest, DrainAll) {
doc::test("If supported, a stream should always succeed to drain");
testDrain(stream.get(), AudioDrain::ALL);
}
TEST_P(OutputStreamTest, DrainEarlyNotify) {
doc::test("If supported, a stream should always succeed to drain");
testDrain(stream.get(), AudioDrain::EARLY_NOTIFY);
}
TEST_P(OutputStreamTest, FlushStop) {
doc::test("If supported, a stream should always succeed to flush");
auto ret = stream->flush();
ASSERT_IS_OK(ret);
if (ret == Result::NOT_SUPPORTED) {
doc::partialTest("Flush is not supported");
return;
}
ASSERT_OK(ret);
}
TEST_P(OutputStreamTest, GetPresentationPositionStop) {
doc::test(
"If supported, a stream should always succeed to retrieve the "
"presentation position");
uint64_t frames;
TimeSpec mesureTS;
ASSERT_OK(stream->getPresentationPosition(returnIn(res, frames, mesureTS)));
if (res == Result::NOT_SUPPORTED) {
doc::partialTest("getpresentationPosition is not supported");
return;
}
ASSERT_EQ(0U, frames);
if (mesureTS.tvNSec == 0 && mesureTS.tvSec == 0) {
// As the stream has never written a frame yet,
// the timestamp does not really have a meaning, allow to return 0
return;
}
// Make sure the return measure is not more than 1s old.
struct timespec currentTS;
ASSERT_EQ(0, clock_gettime(CLOCK_MONOTONIC, &currentTS)) << errno;
auto toMicroSec = [](uint64_t sec, auto nsec) {
return sec * 1e+6 + nsec / 1e+3;
};
auto currentTime = toMicroSec(currentTS.tv_sec, currentTS.tv_nsec);
auto mesureTime = toMicroSec(mesureTS.tvSec, mesureTS.tvNSec);
ASSERT_PRED2([](auto c, auto m) { return c - m < 1e+6; }, currentTime,
mesureTime);
}
//////////////////////////////////////////////////////////////////////////////
/////////////////////////////// PrimaryDevice ////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
TEST_F(AudioPrimaryHidlTest, setVoiceVolume) {
doc::test("Make sure setVoiceVolume only succeed if volume is in [0,1]");
testUnitaryGain([](float volume) { return device->setVoiceVolume(volume); });
}
TEST_F(AudioPrimaryHidlTest, setMode) {
doc::test(
"Make sure setMode always succeeds if mode is valid "
"and fails otherwise");
// Test Invalid values
for (AudioMode mode :
{AudioMode::INVALID, AudioMode::CURRENT, AudioMode::CNT}) {
SCOPED_TRACE("mode=" + toString(mode));
ASSERT_RESULT(Result::INVALID_ARGUMENTS, device->setMode(mode));
}
// Test valid values
for (AudioMode mode :
{AudioMode::IN_CALL, AudioMode::IN_COMMUNICATION, AudioMode::RINGTONE,
AudioMode::NORMAL /* Make sure to leave the test in normal mode */}) {
SCOPED_TRACE("mode=" + toString(mode));
ASSERT_OK(device->setMode(mode));
}
}
TEST_F(BoolAccessorPrimaryHidlTest, BtScoNrecEnabled) {
doc::test("Query and set the BT SCO NR&EC state");
testOptionalAccessors("BtScoNrecEnabled", {true, false, true},
&IPrimaryDevice::setBtScoNrecEnabled,
&IPrimaryDevice::getBtScoNrecEnabled);
}
TEST_F(BoolAccessorPrimaryHidlTest, setGetBtScoWidebandEnabled) {
doc::test("Query and set the SCO whideband state");
testOptionalAccessors("BtScoWideband", {true, false, true},
&IPrimaryDevice::setBtScoWidebandEnabled,
&IPrimaryDevice::getBtScoWidebandEnabled);
}
using TtyModeAccessorPrimaryHidlTest = AccessorPrimaryHidlTest<TtyMode>;
TEST_F(TtyModeAccessorPrimaryHidlTest, setGetTtyMode) {
doc::test("Query and set the TTY mode state");
testOptionalAccessors(
"TTY mode", {TtyMode::OFF, TtyMode::HCO, TtyMode::VCO, TtyMode::FULL},
&IPrimaryDevice::setTtyMode, &IPrimaryDevice::getTtyMode);
}
TEST_F(BoolAccessorPrimaryHidlTest, setGetHac) {
doc::test("Query and set the HAC state");
testOptionalAccessors("HAC", {true, false, true},
&IPrimaryDevice::setHacEnabled,
&IPrimaryDevice::getHacEnabled);
}
//////////////////////////////////////////////////////////////////////////////
//////////////////// Clean caches on global tear down ////////////////////////
//////////////////////////////////////////////////////////////////////////////
int main(int argc, char** argv) {
environment = new Environment;
::testing::AddGlobalTestEnvironment(environment);
::testing::InitGoogleTest(&argc, argv);
int status = RUN_ALL_TESTS();
return status;
}