chromium/third_party/blink/web_tests/http/tests/websocket/permessage-deflate-unsolicited-negotiation-response.html

<!DOCTYPE HTML>
<html>
<head>
<script src="/js-test-resources/js-test.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<script>
description("Test whether WebSocket ignores unsolicited negotiation response.");

window.jsTestIsAsync = true;

var closeEvent;

var url = "ws://localhost:8880/permessage-deflate-unsolicited-negotiation-response";
var ws = new WebSocket(url);

ws.onopen = function()
{
    debug('PASS onopen');
    shouldBeEqualToString('ws.extensions', 'permessage-deflate; server_max_window_bits=15; server_no_context_takeover');
    ws.close();
}

ws.onclose = function(event)
{
    window.event = event;
    shouldBeTrue('event.wasClean');
    finishJSTest();
};

</script>
</body>
</html>