TEST_F(ReadableStreamTest, CancelWhenLocked)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
String onFulfilled, onRejected;
StringStream* stream = construct();
ReadableStreamReader* reader = stream->getReader(scriptState()->executionContext(), exceptionState);
EXPECT_TRUE(reader->isActive());
EXPECT_FALSE(exceptionState.hadException());
EXPECT_EQ(ReadableStream::Readable, stream->stateInternal());
EXPECT_FALSE(stream->isDisturbed());
stream->cancel(scriptState(), ScriptValue(scriptState(), v8::Undefined(isolate()))).then(createCaptor(&onFulfilled), createCaptor(&onRejected));
EXPECT_FALSE(stream->isDisturbed());
EXPECT_TRUE(onFulfilled.isNull());
EXPECT_TRUE(onRejected.isNull());
isolate()->RunMicrotasks();
EXPECT_TRUE(onFulfilled.isNull());
EXPECT_EQ("TypeError: this stream is locked to a ReadableStreamReader", onRejected);
EXPECT_TRUE(reader->isActive());
EXPECT_EQ(ReadableStream::Readable, stream->stateInternal());
}
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"));
}
// Note: Detailed tests are on ReadableStreamReaderTest.
TEST_F(ReadableStreamTest, ReadableStreamReader)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
StringStream* stream = construct();
ReadableStreamReader* reader = stream->getReader(scriptState()->executionContext(), exceptionState);
ASSERT_TRUE(reader);
EXPECT_FALSE(exceptionState.hadException());
EXPECT_TRUE(reader->isActive());
EXPECT_TRUE(stream->isLockedTo(reader));
ReadableStreamReader* another = stream->getReader(scriptState()->executionContext(), exceptionState);
ASSERT_EQ(nullptr, another);
EXPECT_TRUE(exceptionState.hadException());
EXPECT_TRUE(reader->isActive());
EXPECT_TRUE(stream->isLockedTo(reader));
}
TEST_F(ReadableStreamTest, GetErroredReader)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
StringStream* stream = construct();
stream->error(DOMException::create(SyntaxError, "some error"));
ReadableStreamReader* reader = stream->getReader(scriptState()->executionContext(), exceptionState);
ASSERT_TRUE(reader);
EXPECT_FALSE(exceptionState.hadException());
String onFulfilled, onRejected;
reader->closed(scriptState()).then(createCaptor(&onFulfilled), createCaptor(&onRejected));
EXPECT_FALSE(reader->isActive());
EXPECT_TRUE(onFulfilled.isNull());
EXPECT_TRUE(onRejected.isNull());
isolate()->RunMicrotasks();
EXPECT_TRUE(onFulfilled.isNull());
EXPECT_EQ("SyntaxError: some error", onRejected);
}