TEST_F(ReadableStreamTest, CloseWhenReadable)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
StringStream* stream = construct();
EXPECT_TRUE(stream->enqueue("hello"));
EXPECT_TRUE(stream->enqueue("bye"));
stream->close();
EXPECT_FALSE(stream->enqueue("should be ignored"));
EXPECT_EQ(ReadableStream::Readable, stream->stateInternal());
EXPECT_FALSE(stream->isPulling());
EXPECT_TRUE(stream->isDraining());
stream->read(scriptState());
isolate()->RunMicrotasks();
EXPECT_EQ(ReadableStream::Readable, stream->stateInternal());
EXPECT_FALSE(stream->isPulling());
EXPECT_TRUE(stream->isDraining());
stream->read(scriptState());
EXPECT_EQ(ReadableStream::Closed, stream->stateInternal());
EXPECT_FALSE(stream->isPulling());
EXPECT_TRUE(stream->isDraining());
}
TEST_F(ReadableStreamTest, ReadQueue)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
StringStream* stream = construct();
Checkpoint checkpoint;
{
InSequence s;
EXPECT_CALL(checkpoint, Call(0));
EXPECT_CALL(*m_underlyingSource, pullSource()).Times(1);
EXPECT_CALL(checkpoint, Call(1));
}
Deque<std::pair<String, size_t>> queue;
EXPECT_TRUE(stream->enqueue("hello"));
EXPECT_TRUE(stream->enqueue("bye"));
EXPECT_EQ(ReadableStream::Readable, stream->stateInternal());
EXPECT_FALSE(stream->isPulling());
checkpoint.Call(0);
EXPECT_FALSE(stream->isDisturbed());
stream->readInternal(queue);
EXPECT_TRUE(stream->isDisturbed());
checkpoint.Call(1);
ASSERT_EQ(2u, queue.size());
EXPECT_EQ(std::make_pair(String("hello"), static_cast<size_t>(5)), queue[0]);
EXPECT_EQ(std::make_pair(String("bye"), static_cast<size_t>(3)), queue[1]);
EXPECT_EQ(ReadableStream::Readable, stream->stateInternal());
EXPECT_TRUE(stream->isPulling());
EXPECT_FALSE(stream->isDraining());
}
TEST_F(ReadableStreamTest, Start)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
Checkpoint checkpoint;
{
InSequence s;
EXPECT_CALL(checkpoint, Call(0));
EXPECT_CALL(*m_underlyingSource, pullSource()).Times(1);
EXPECT_CALL(checkpoint, Call(1));
}
StringStream* stream = new StringStream(m_underlyingSource);
EXPECT_FALSE(exceptionState.hadException());
EXPECT_FALSE(stream->isStarted());
EXPECT_FALSE(stream->isDraining());
EXPECT_FALSE(stream->isPulling());
EXPECT_FALSE(stream->isDisturbed());
EXPECT_EQ(stream->stateInternal(), ReadableStream::Readable);
checkpoint.Call(0);
stream->didSourceStart();
checkpoint.Call(1);
EXPECT_TRUE(stream->isStarted());
EXPECT_FALSE(stream->isDraining());
EXPECT_TRUE(stream->isPulling());
EXPECT_EQ(stream->stateInternal(), ReadableStream::Readable);
// We need to call |error| in order to make
// ActiveDOMObject::hasPendingActivity return false.
stream->error(DOMException::create(AbortError, "done"));
}
TEST_F(ReadableStreamTest, StrictStrategy)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
Checkpoint checkpoint;
{
InSequence s;
EXPECT_CALL(checkpoint, Call(0));
EXPECT_CALL(checkpoint, Call(1));
EXPECT_CALL(*m_underlyingSource, pullSource());
EXPECT_CALL(checkpoint, Call(2));
EXPECT_CALL(checkpoint, Call(3));
EXPECT_CALL(*m_underlyingSource, pullSource());
EXPECT_CALL(checkpoint, Call(4));
EXPECT_CALL(checkpoint, Call(5));
EXPECT_CALL(checkpoint, Call(6));
EXPECT_CALL(checkpoint, Call(7));
EXPECT_CALL(checkpoint, Call(8));
EXPECT_CALL(checkpoint, Call(9));
EXPECT_CALL(*m_underlyingSource, pullSource());
}
StringStream* stream = new StringStream(m_underlyingSource, new StringStream::StrictStrategy);
ReadableStreamReader* reader = stream->getReader(scriptState()->executionContext(), exceptionState);
checkpoint.Call(0);
stream->didSourceStart();
checkpoint.Call(1);
EXPECT_FALSE(stream->isPulling());
reader->read(scriptState());
EXPECT_TRUE(stream->isPulling());
checkpoint.Call(2);
stream->enqueue("hello");
EXPECT_FALSE(stream->isPulling());
checkpoint.Call(3);
reader->read(scriptState());
EXPECT_TRUE(stream->isPulling());
checkpoint.Call(4);
reader->read(scriptState());
EXPECT_TRUE(stream->isPulling());
checkpoint.Call(5);
stream->enqueue("hello");
EXPECT_FALSE(stream->isPulling());
checkpoint.Call(6);
stream->enqueue("hello");
EXPECT_FALSE(stream->isPulling());
checkpoint.Call(7);
stream->enqueue("hello");
EXPECT_FALSE(stream->isPulling());
checkpoint.Call(8);
reader->read(scriptState());
EXPECT_FALSE(stream->isPulling());
checkpoint.Call(9);
reader->read(scriptState());
EXPECT_TRUE(stream->isPulling());
stream->error(DOMException::create(AbortError, "done"));
}
TEST_F(ReadableStreamTest, StartFail)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
StringStream* stream = new StringStream(m_underlyingSource);
EXPECT_FALSE(exceptionState.hadException());
EXPECT_FALSE(stream->isStarted());
EXPECT_FALSE(stream->isDraining());
EXPECT_FALSE(stream->isPulling());
EXPECT_EQ(stream->stateInternal(), ReadableStream::Readable);
stream->error(DOMException::create(NotFoundError));
EXPECT_FALSE(stream->isStarted());
EXPECT_FALSE(stream->isDraining());
EXPECT_FALSE(stream->isPulling());
EXPECT_EQ(stream->stateInternal(), ReadableStream::Errored);
}