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"));
}
StringStream* construct()
{
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, new PermissiveStrategy);
checkpoint.Call(0);
stream->didSourceStart();
checkpoint.Call(1);
return stream;
}
StringStream* construct(MockStrategy* strategy)
{
Checkpoint checkpoint;
{
InSequence s;
EXPECT_CALL(checkpoint, Call(0));
EXPECT_CALL(*strategy, shouldApplyBackpressure(0, _)).WillOnce(Return(true));
EXPECT_CALL(checkpoint, Call(1));
}
StringStream* stream = new StringStream(m_underlyingSource, strategy);
checkpoint.Call(0);
stream->didSourceStart();
checkpoint.Call(1);
return stream;
}