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// Copyright 2015 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 "third_party/blink/renderer/modules/webaudio/audio_basic_processor_handler.h"
#include <memory>
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/testing/dummy_page_holder.h"
#include "third_party/blink/renderer/modules/webaudio/offline_audio_context.h"
#include "third_party/blink/renderer/platform/audio/audio_processor.h"
namespace blink {
class MockAudioProcessor final : public AudioProcessor {
public:
MockAudioProcessor() : AudioProcessor(48000, 2) {}
void Initialize() override { initialized_ = true; }
void Uninitialize() override { initialized_ = false; }
void Process(const AudioBus*, AudioBus*, uint32_t) override {}
void Reset() override {}
void SetNumberOfChannels(unsigned) override {}
unsigned NumberOfChannels() const override { return number_of_channels_; }
bool RequiresTailProcessing() const override { return true; }
double TailTime() const override { return 0; }
double LatencyTime() const override { return 0; }
};
class MockProcessorHandler final : public AudioBasicProcessorHandler {
public:
static scoped_refptr<MockProcessorHandler> Create(AudioNode& node,
float sample_rate) {
return base::AdoptRef(new MockProcessorHandler(node, sample_rate));
}
private:
MockProcessorHandler(AudioNode& node, float sample_rate)
: AudioBasicProcessorHandler(AudioHandler::kNodeTypeWaveShaper,
node,
sample_rate,
std::make_unique<MockAudioProcessor>()) {
Initialize();
}
};
class MockProcessorNode final : public AudioNode {
public:
MockProcessorNode(BaseAudioContext& context) : AudioNode(context) {
SetHandler(MockProcessorHandler::Create(*this, 48000));
}
void ReportDidCreate() final {}
void ReportWillBeDestroyed() final {}
};
TEST(AudioBasicProcessorHandlerTest, ProcessorFinalization) {
auto page = std::make_unique<DummyPageHolder>();
OfflineAudioContext* context = OfflineAudioContext::Create(
page->GetFrame().DomWindow(), 2, 1, 48000, ASSERT_NO_EXCEPTION);
MockProcessorNode* node = MakeGarbageCollected<MockProcessorNode>(*context);
AudioBasicProcessorHandler& handler =
static_cast<AudioBasicProcessorHandler&>(node->Handler());
EXPECT_TRUE(handler.Processor());
EXPECT_TRUE(handler.Processor()->IsInitialized());
BaseAudioContext::GraphAutoLocker locker(context);
handler.Dispose();
// The AudioProcessor should live after dispose() and should not be
// finalized because an audio thread is using it.
EXPECT_TRUE(handler.Processor());
EXPECT_TRUE(handler.Processor()->IsInitialized());
}
} // namespace blink
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