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// Copyright 2018 The Chromium Authors
// 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_node_input.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/frame/local_frame.h"
#include "third_party/blink/renderer/core/testing/dummy_page_holder.h"
#include "third_party/blink/renderer/modules/webaudio/audio_node.h"
#include "third_party/blink/renderer/modules/webaudio/audio_node_output.h"
#include "third_party/blink/renderer/modules/webaudio/audio_node_wiring.h"
#include "third_party/blink/renderer/modules/webaudio/delay_node.h"
#include "third_party/blink/renderer/modules/webaudio/offline_audio_context.h"
#include "third_party/blink/renderer/platform/testing/task_environment.h"
namespace blink {
TEST(AudioNodeInputTest, InputDestroyedBeforeOutput) {
test::TaskEnvironment task_environment;
auto page = std::make_unique<DummyPageHolder>();
OfflineAudioContext* context = OfflineAudioContext::Create(
page->GetFrame().DomWindow(), 2, 1, 48000, ASSERT_NO_EXCEPTION);
DelayNode* node1 = context->createDelay(ASSERT_NO_EXCEPTION);
auto& handler1 = node1->Handler();
DelayNode* node2 = context->createDelay(ASSERT_NO_EXCEPTION);
auto& handler2 = node2->Handler();
auto input = std::make_unique<AudioNodeInput>(handler1);
auto output = std::make_unique<AudioNodeOutput>(&handler2, 0);
{
DeferredTaskHandler::GraphAutoLocker graph_lock(context);
AudioNodeWiring::Connect(*output, *input);
ASSERT_TRUE(output->IsConnected());
// This should not crash.
input.reset();
output->Dispose();
output.reset();
}
}
TEST(AudioNodeInputTest, OutputDestroyedBeforeInput) {
test::TaskEnvironment task_environment;
auto page = std::make_unique<DummyPageHolder>();
OfflineAudioContext* context = OfflineAudioContext::Create(
page->GetFrame().DomWindow(), 2, 1, 48000, ASSERT_NO_EXCEPTION);
DelayNode* node1 = context->createDelay(ASSERT_NO_EXCEPTION);
auto& handler1 = node1->Handler();
DelayNode* node2 = context->createDelay(ASSERT_NO_EXCEPTION);
auto& handler2 = node2->Handler();
auto input = std::make_unique<AudioNodeInput>(handler1);
auto output = std::make_unique<AudioNodeOutput>(&handler2, 0);
{
DeferredTaskHandler::GraphAutoLocker graph_lock(context);
AudioNodeWiring::Connect(*output, *input);
ASSERT_TRUE(output->IsConnected());
// This should not crash.
output->Dispose();
output.reset();
input.reset();
}
}
} // namespace blink
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