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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: 48d50c67e4ccb632bb1fb5fcf15eab35a3f9c4ee authored by Youenn Fablet on 23 March 2018, 05:15:23 UTC
WebKit export of https://bugs.webkit.org/show_bug.cgi?id=183928
Tip revision: 48d50c6
Send-0byte-data.htm 
<!DOCTYPE html>
<html>
<head>
    <title>W3C WebSocket API - Send 0 byte data - WebSocket</title>
    <script type="text/javascript" src="/resources/testharness.js"></script>
    <script type="text/javascript" src="/resources/testharnessreport.js"></script>
    <script type="text/javascript" src="websocket.sub.js"></script>
</head>
<body>
    <div id="log"></div>
    <script type="text/javascript">

        var testOpen = async_test("W3C WebSocket API - Send 0 byte data on a WebSocket - Connection should be opened");
        var testMessage = async_test("W3C WebSocket API - Send 0 byte data on a WebSocket - Message should be received");
        var testClose = async_test("W3C WebSocket API - Send 0 byte data on a WebSocket - Connection should be closed");

        var data = "";
        var wsocket = CreateWebSocket(false, false, false);
        var isOpenCalled = false;

        wsocket.addEventListener('open', testOpen.step_func(function (evt) {
            wsocket.send(data);
            assert_equals(data.length, wsocket.bufferedAmount);
            isOpenCalled = true;
            testOpen.done();
        }), true);

        wsocket.addEventListener('message', testMessage.step_func(function (evt) {
            assert_equals(evt.data, data);
            wsocket.close();
            testMessage.done();
        }), true);

        wsocket.addEventListener('close', testClose.step_func(function (evt) {
            assert_true(isOpenCalled, "WebSocket connection should be open");
            assert_equals(evt.wasClean, true, "wasClean should be true");
            testClose.done();
        }), true);
    </script>
</body>
</html>
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