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// Copyright 2023 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/webcodecs/encoded_audio_chunk.h"
#include "base/containers/span.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_testing.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_decrypt_config.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_encoded_audio_chunk_init.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_encoded_audio_chunk_type.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_subsample_entry.h"
#include "third_party/blink/renderer/modules/webcodecs/test_helpers.h"
#include "third_party/blink/renderer/platform/testing/task_environment.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
namespace {
TEST(EncodedAudioChunkTest, ConstructorAndAttributes) {
test::TaskEnvironment task_environment;
V8TestingScope v8_scope;
V8EncodedAudioChunkType::Enum type = V8EncodedAudioChunkType::Enum::kKey;
int64_t timestamp = 1000000;
std::string data = "test";
auto* init = EncodedAudioChunkInit::Create();
init->setTimestamp(timestamp);
init->setType(type);
init->setData(StringToBuffer(data));
auto* encoded = EncodedAudioChunk::Create(v8_scope.GetScriptState(), init,
v8_scope.GetExceptionState());
EXPECT_EQ(type, encoded->type());
EXPECT_EQ(timestamp, encoded->timestamp());
EXPECT_EQ(data, BufferToString(*encoded->buffer()));
EXPECT_FALSE(encoded->duration().has_value());
}
TEST(EncodedAudioChunkTest, ConstructorWithDuration) {
test::TaskEnvironment task_environment;
V8TestingScope v8_scope;
V8EncodedAudioChunkType::Enum type = V8EncodedAudioChunkType::Enum::kKey;
int64_t timestamp = 1000000;
uint64_t duration = 16667;
std::string data = "test";
auto* init = EncodedAudioChunkInit::Create();
init->setTimestamp(timestamp);
init->setDuration(duration);
init->setType(type);
init->setData(StringToBuffer(data));
auto* encoded = EncodedAudioChunk::Create(v8_scope.GetScriptState(), init,
v8_scope.GetExceptionState());
EXPECT_EQ(type, encoded->type());
EXPECT_EQ(timestamp, encoded->timestamp());
EXPECT_EQ(data, BufferToString(*encoded->buffer()));
ASSERT_TRUE(encoded->duration().has_value());
EXPECT_EQ(duration, encoded->duration().value());
}
TEST(EncodedAudioChunkTest, TransferBuffer) {
test::TaskEnvironment task_environment;
V8TestingScope v8_scope;
String type = "key";
int64_t timestamp = 1000000;
std::string data = "test";
auto* init = EncodedAudioChunkInit::Create();
init->setTimestamp(timestamp);
init->setType(type);
auto* buffer = DOMArrayBuffer::Create(base::as_byte_span(data));
init->setData(MakeGarbageCollected<AllowSharedBufferSource>(buffer));
HeapVector<Member<DOMArrayBuffer>> transfer;
transfer.push_back(Member<DOMArrayBuffer>(buffer));
init->setTransfer(std::move(transfer));
auto* encoded = EncodedAudioChunk::Create(v8_scope.GetScriptState(), init,
v8_scope.GetExceptionState());
EXPECT_TRUE(buffer->IsDetached());
EXPECT_EQ(encoded->byteLength(), data.size());
}
TEST(EncodedAudioChunkTest, DecryptConfig) {
test::TaskEnvironment task_environment;
V8TestingScope v8_scope;
auto* init = EncodedAudioChunkInit::Create();
init->setTimestamp(1);
init->setType("key");
init->setData(StringToBuffer("test"));
auto expected_media_decrypt_config =
CreateTestDecryptConfig(media::EncryptionScheme::kCenc);
auto* decrypt_config = MakeGarbageCollected<DecryptConfig>();
decrypt_config->setEncryptionScheme("cenc");
decrypt_config->setKeyId(
StringToBuffer(expected_media_decrypt_config->key_id()));
decrypt_config->setInitializationVector(
StringToBuffer(expected_media_decrypt_config->iv()));
HeapVector<Member<SubsampleEntry>> subsamples;
for (const auto& entry : expected_media_decrypt_config->subsamples()) {
auto* js_entry = MakeGarbageCollected<SubsampleEntry>();
js_entry->setClearBytes(entry.clear_bytes);
js_entry->setCypherBytes(entry.cypher_bytes);
subsamples.push_back(js_entry);
}
decrypt_config->setSubsampleLayout(subsamples);
init->setDecryptConfig(decrypt_config);
auto* encoded = EncodedAudioChunk::Create(v8_scope.GetScriptState(), init,
v8_scope.GetExceptionState());
ASSERT_NE(nullptr, encoded->buffer()->decrypt_config());
EXPECT_TRUE(expected_media_decrypt_config->Matches(
*encoded->buffer()->decrypt_config()));
}
} // namespace
} // namespace blink
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