C++ (Cpp) StringStream::cancel示例

TEST_F(ReadableStreamTest, CancelWhenReadable)
{
    ScriptState::Scope scope(scriptState());
    ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
    StringStream* stream = construct();
    String onFulfilled, onRejected;
    String onCancelFulfilled, onCancelRejected;
    ScriptValue reason(scriptState(), v8String(scriptState()->isolate(), "reason"));
    ScriptPromise promise = ScriptPromise::cast(scriptState(), v8String(scriptState()->isolate(), "hello"));

    {
        InSequence s;
        EXPECT_CALL(*m_underlyingSource, cancelSource(scriptState(), reason)).WillOnce(ReturnPointee(&promise));
    }

    stream->enqueue("hello");
    EXPECT_EQ(ReadableStream::Readable, stream->stateInternal());

    EXPECT_FALSE(stream->isDisturbed());
    ScriptPromise cancelResult = stream->cancel(scriptState(), reason);
    EXPECT_TRUE(stream->isDisturbed());
    cancelResult.then(createCaptor(&onCancelFulfilled), createCaptor(&onCancelRejected));

    EXPECT_NE(promise, cancelResult);
    EXPECT_EQ(ReadableStream::Closed, stream->stateInternal());

    EXPECT_TRUE(onCancelFulfilled.isNull());
    EXPECT_TRUE(onCancelRejected.isNull());

    isolate()->RunMicrotasks();
    EXPECT_EQ("undefined", onCancelFulfilled);
    EXPECT_TRUE(onCancelRejected.isNull());
}

示例#2

显示文件

文件： ReadableStreamTest.cpp 项目： azureplus/chromium

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());
}

示例#3

显示文件

文件： ReadableStreamTest.cpp 项目： azureplus/chromium

TEST_F(ReadableStreamTest, CancelWhenErrored)
{
    ScriptState::Scope scope(scriptState());
    ExceptionState exceptionState(ExceptionState::ConstructionContext, "property", "interface", scriptState()->context()->Global(), isolate());
    StringStream* stream = construct();
    String onFulfilled, onRejected;
    stream->error(DOMException::create(NotFoundError, "error"));
    EXPECT_EQ(ReadableStream::Errored, stream->stateInternal());

    EXPECT_FALSE(stream->isDisturbed());
    ScriptPromise promise = stream->cancel(scriptState(), ScriptValue());
    EXPECT_TRUE(stream->isDisturbed());
    EXPECT_EQ(ReadableStream::Errored, stream->stateInternal());

    promise.then(createCaptor(&onFulfilled), createCaptor(&onRejected));
    EXPECT_TRUE(onFulfilled.isNull());
    EXPECT_TRUE(onRejected.isNull());

    isolate()->RunMicrotasks();
    EXPECT_TRUE(onFulfilled.isNull());
    EXPECT_EQ("NotFoundError: error", onRejected);
}