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, CloseWhenErrored)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
StringStream* stream = construct();
EXPECT_EQ(ReadableStream::Readable, stream->stateInternal());
stream->error(DOMException::create(NotFoundError, "error"));
stream->close();
EXPECT_EQ(ReadableStream::Errored, stream->stateInternal());
}
TEST_F(ReadableStreamTest, CloseAndEnqueue)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
StringStream* stream = construct();
stream->close();
EXPECT_EQ(ReadableStream::Closed, stream->stateInternal());
bool result = stream->enqueue("hello");
EXPECT_FALSE(result);
EXPECT_EQ(ReadableStream::Closed, stream->stateInternal());
}
TEST_F(ReadableStreamTest, GetClosedReader)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
StringStream* stream = construct();
stream->close();
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_EQ("undefined", onFulfilled);
EXPECT_TRUE(onRejected.isNull());
}
TEST_F(ReadableStreamTest, CancelWhenClosed)
{
ScriptState::Scope scope(scriptState());
ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
StringStream* stream = construct();
String onFulfilled, onRejected;
stream->close();
EXPECT_EQ(ReadableStream::Closed, stream->stateInternal());
EXPECT_FALSE(stream->isDisturbed());
ScriptPromise promise = stream->cancel(scriptState(), ScriptValue());
EXPECT_TRUE(stream->isDisturbed());
EXPECT_EQ(ReadableStream::Closed, stream->stateInternal());
promise.then(createCaptor(&onFulfilled), createCaptor(&onRejected));
EXPECT_TRUE(onFulfilled.isNull());
EXPECT_TRUE(onRejected.isNull());
isolate()->RunMicrotasks();
EXPECT_EQ("undefined", onFulfilled);
EXPECT_TRUE(onRejected.isNull());
}