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<!DOCTYPE HTML>
<html>
<head>
  <title>Basic test of permessage compression websocket extension</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body onload="loadDeflate()">
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=792831">Mozilla Bug </a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

var ws;
var textMessage = "This is a text message";
var binaryMessage = "This is a binary message";
var testIdx = 0;
var sendText = true;

tests = [
  // enable PMCE
  [ true, true, "ws://mochi.test:8888/tests/dom/base/test/file_websocket_permessage_deflate" ],
  // disable PMCE
  [ false, false, "ws://mochi.test:8888/tests/dom/base/test/file_websocket_permessage_deflate_disabled" ],
  // server rejects offered PMCE
  [ true, false, "ws://mochi.test:8888/tests/dom/base/test/file_websocket_permessage_deflate_rejected" ],
  // server returns parameters in the handshake
  [ true, true, "ws://mochi.test:8888/tests/dom/base/test/file_websocket_permessage_deflate_params" ]
]

function ab2str(buf) {
  return String.fromCharCode.apply(null, new Uint16Array(buf));
}

function str2ab(str) {
  var buf = new ArrayBuffer(str.length*2);
  var bufView = new Uint16Array(buf);
  for (var i=0, strLen=str.length; i<strLen; i++) {
    bufView[i] = str.charCodeAt(i);
  }
  return buf;
}

function sendMessage() {
  if (sendText) {
    ws.send(textMessage);
  } else {
    ws.binaryType = "arraybuffer";
    ws.send(str2ab(binaryMessage));
  }
}

function testDeflate() {
  ws = new WebSocket(tests[testIdx][2]);

  ws.onopen = function(e) {
    if (tests[testIdx][1]) {
      is(ws.extensions, "permessage-deflate", "permessage-deflate not negotiated!");
    } else {
      is(ws.extensions, "", "permessage-deflate should not be negotiated!");
    }

    sendMessage();
  }

  ws.onclose = function(e) {
    if (!e.wasClean) {
      ok(false, "Connection should be closed cleanly!");
      SimpleTest.finish();
    }
  }

  ws.onerror = function(e) {
    ok(false, "onerror called!");
    SimpleTest.finish();
  }

  ws.onmessage = function(e) {
    if (sendText) {
      is(e.data, textMessage, "Text message not received successfully!");
      sendText = false;
      sendMessage();
    } else {
      ok(e.data instanceof ArrayBuffer, "Should receive an arraybuffer!");
      is(ab2str(e.data), binaryMessage, "Binary message not received successfully!");
      ws.close();

      sendText = true;
      testIdx++;
      if (testIdx < tests.length) {
        loadDeflate();
      } else {
        SimpleTest.finish();
      }
    }
  }
}

function loadDeflate() {
  SpecialPowers.pushPrefEnv({"set":[['network.websocket.extensions.permessage-deflate', tests[testIdx][0]]]}, testDeflate);
}

SimpleTest.waitForExplicitFinish();

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