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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#include "CubebInputStream.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "mozilla/gtest/WaitFor.h"
#include "MockCubeb.h"
using namespace mozilla;
namespace {
#define DispatchFunction(f) \
NS_DispatchToCurrentThread(NS_NewRunnableFunction(__func__, f))
} // namespace
class MockListener : public CubebInputStream::Listener {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MockListener, override);
MOCK_METHOD2(DataCallback, long(const void* aBuffer, long aFrames));
MOCK_METHOD1(StateCallback, void(cubeb_state aState));
MOCK_METHOD0(DeviceChangedCallback, void());
private:
~MockListener() = default;
};
TEST(TestCubebInputStream, DataCallback)
{
using ::testing::Ne;
using ::testing::NotNull;
MockCubeb* cubeb = new MockCubeb();
CubebUtils::ForceSetCubebContext(cubeb->AsCubebContext());
const CubebUtils::AudioDeviceID deviceId = nullptr;
const uint32_t channels = 2;
uint32_t rate = 0;
ASSERT_EQ(cubeb_get_preferred_sample_rate(cubeb->AsCubebContext(), &rate),
CUBEB_OK);
nsTArray<AudioDataValue> data;
auto listener = MakeRefPtr<MockListener>();
EXPECT_CALL(*listener, DataCallback(NotNull(), Ne(0)))
.WillRepeatedly([&](const void* aBuffer, long aFrames) {
const AudioDataValue* source =
reinterpret_cast<const AudioDataValue*>(aBuffer);
size_t sampleCount =
static_cast<size_t>(aFrames) * static_cast<size_t>(channels);
data.AppendElements(source, sampleCount);
return aFrames;
});
EXPECT_CALL(*listener, StateCallback(CUBEB_STATE_STARTED));
EXPECT_CALL(*listener, StateCallback(CUBEB_STATE_STOPPED)).Times(2);
EXPECT_CALL(*listener, DeviceChangedCallback).Times(0);
UniquePtr<CubebInputStream> cis;
DispatchFunction([&] {
cis = CubebInputStream::Create(deviceId, channels, rate, true,
listener.get());
ASSERT_TRUE(cis);
});
RefPtr<SmartMockCubebStream> stream = WaitFor(cubeb->StreamInitEvent());
EXPECT_TRUE(stream->mHasInput);
stream->SetInputRecordingEnabled(true);
DispatchFunction([&] { ASSERT_EQ(cis->Start(), CUBEB_OK); });
WaitFor(stream->FramesProcessedEvent());
DispatchFunction([&] { ASSERT_EQ(cis->Stop(), CUBEB_OK); });
WaitFor(stream->OutputVerificationEvent());
nsTArray<AudioDataValue> record = stream->TakeRecordedInput();
DispatchFunction([&] { cis = nullptr; });
WaitFor(cubeb->StreamDestroyEvent());
ASSERT_EQ(data, record);
}
TEST(TestCubebInputStream, ErrorCallback)
{
using ::testing::Ne;
using ::testing::NotNull;
using ::testing::ReturnArg;
MockCubeb* cubeb = new MockCubeb();
CubebUtils::ForceSetCubebContext(cubeb->AsCubebContext());
const CubebUtils::AudioDeviceID deviceId = nullptr;
const uint32_t channels = 2;
uint32_t rate = 0;
ASSERT_EQ(cubeb_get_preferred_sample_rate(cubeb->AsCubebContext(), &rate),
CUBEB_OK);
auto listener = MakeRefPtr<MockListener>();
EXPECT_CALL(*listener, DataCallback(NotNull(), Ne(0)))
.WillRepeatedly(ReturnArg<1>());
EXPECT_CALL(*listener, StateCallback(CUBEB_STATE_STARTED));
EXPECT_CALL(*listener, StateCallback(CUBEB_STATE_ERROR));
EXPECT_CALL(*listener, StateCallback(CUBEB_STATE_STOPPED));
EXPECT_CALL(*listener, DeviceChangedCallback).Times(0);
UniquePtr<CubebInputStream> cis;
DispatchFunction([&] {
cis = CubebInputStream::Create(deviceId, channels, rate, true,
listener.get());
ASSERT_TRUE(cis);
});
RefPtr<SmartMockCubebStream> stream = WaitFor(cubeb->StreamInitEvent());
EXPECT_TRUE(stream->mHasInput);
DispatchFunction([&] { ASSERT_EQ(cis->Start(), CUBEB_OK); });
WaitFor(stream->FramesProcessedEvent());
DispatchFunction([&] { stream->ForceError(); });
WaitFor(stream->ErrorForcedEvent());
// If stream ran into an error state, then it should be stopped.
DispatchFunction([&] { cis = nullptr; });
WaitFor(cubeb->StreamDestroyEvent());
}
TEST(TestCubebInputStream, DeviceChangedCallback)
{
using ::testing::Ne;
using ::testing::NotNull;
using ::testing::ReturnArg;
MockCubeb* cubeb = new MockCubeb();
CubebUtils::ForceSetCubebContext(cubeb->AsCubebContext());
const CubebUtils::AudioDeviceID deviceId = nullptr;
const uint32_t channels = 2;
uint32_t rate = 0;
ASSERT_EQ(cubeb_get_preferred_sample_rate(cubeb->AsCubebContext(), &rate),
CUBEB_OK);
auto listener = MakeRefPtr<MockListener>();
EXPECT_CALL(*listener, DataCallback(NotNull(), Ne(0)))
.WillRepeatedly(ReturnArg<1>());
// In real world, the stream might run into an error state when the
// device-changed event is fired (e.g., the last default output device is
// unplugged). But it's fine to not check here since we can control how
// MockCubeb behaves.
EXPECT_CALL(*listener, StateCallback(CUBEB_STATE_STARTED));
EXPECT_CALL(*listener, StateCallback(CUBEB_STATE_STOPPED)).Times(2);
EXPECT_CALL(*listener, DeviceChangedCallback);
UniquePtr<CubebInputStream> cis;
DispatchFunction([&] {
cis = CubebInputStream::Create(deviceId, channels, rate, true,
listener.get());
ASSERT_TRUE(cis);
});
RefPtr<SmartMockCubebStream> stream = WaitFor(cubeb->StreamInitEvent());
EXPECT_TRUE(stream->mHasInput);
DispatchFunction([&] { ASSERT_EQ(cis->Start(), CUBEB_OK); });
WaitFor(stream->FramesProcessedEvent());
DispatchFunction([&] { stream->ForceDeviceChanged(); });
WaitFor(stream->DeviceChangeForcedEvent());
// The stream can keep running when its device is changed.
DispatchFunction([&] { ASSERT_EQ(cis->Stop(), CUBEB_OK); });
cubeb_state state = WaitFor(stream->StateEvent());
EXPECT_EQ(state, CUBEB_STATE_STOPPED);
DispatchFunction([&] { cis = nullptr; });
WaitFor(cubeb->StreamDestroyEvent());
}
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