LayoutTests/http/tests/websocket/tests/hybi/bufferedAmount-after-close.html

   1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
   2 <html>
   3 <head>
   4 <script src="../../../../js-test-resources/js-test-pre.js"></script>
   5 </head>
   6 <body>
   7 <div id="description"></div>
   8 <div id="console"></div>
   9 <script type="text/javascript">
  10 description("Web Socket bufferedAmount after closed");
  11
  12 window.jsTestIsAsync = true;
  13 if (window.layoutTestController)
  14     layoutTestController.overridePreference("WebKitHixie76WebSocketProtocolEnabled", 0);
  15
  16 function createStringWithLength(length)
  17 {
  18     var string = 'x';
  19     while (string.length < length)
  20         string = string + string;
  21     return string.substring(0, length);
  22 }
  23
  24 function createBlobWithLength(length)
  25 {
  26     return new Blob([new ArrayBuffer(length)]);
  27 }
  28
  29 var ws = new WebSocket("ws://localhost:8880/websocket/tests/hybi/simple");
  30
  31 ws.onopen = function()
  32 {
  33     debug("Connected.");
  34     ws.close();
  35 };
  36
  37 ws.onclose = function()
  38 {
  39     debug("Closed.");
  40     shouldBe("ws.readyState", "3");
  41     shouldBe("ws.bufferedAmount", "0");
  42
  43     var baseOverhead = 2 + 4; // Base header size and masking key size.
  44     debug("Testing send(string)...");
  45     testBufferedAmount('send to closed socket', 21 + baseOverhead);
  46     testBufferedAmount('', baseOverhead);
  47     testBufferedAmount('a', 1 + baseOverhead);
  48     testBufferedAmount(createStringWithLength(125), 125 + baseOverhead);
  49     testBufferedAmount(createStringWithLength(126), 126 + baseOverhead + 2); // With 16-bit extended payload length field.
  50     testBufferedAmount(createStringWithLength(0xFFFF), 0xFFFF + baseOverhead + 2);
  51     testBufferedAmount(createStringWithLength(0x10000), 0x10000 + baseOverhead + 8); // With 64-bit extended payload length field.
  52
  53     debug("Testing send(ArrayBuffer)...");
  54     testBufferedAmount(new ArrayBuffer(0), baseOverhead);
  55     testBufferedAmount(new ArrayBuffer(1), 1 + baseOverhead);
  56     testBufferedAmount(new ArrayBuffer(125), 125 + baseOverhead);
  57     testBufferedAmount(new ArrayBuffer(126), 126 + baseOverhead + 2);
  58     testBufferedAmount(new ArrayBuffer(0xFFFF), 0xFFFF + baseOverhead + 2);
  59     testBufferedAmount(new ArrayBuffer(0x10000), 0x10000 + baseOverhead + 8);
  60
  61     debug("Testing send(Blob)...");
  62     testBufferedAmount(createBlobWithLength(0), baseOverhead);
  63     testBufferedAmount(createBlobWithLength(1), 1 + baseOverhead);
  64     testBufferedAmount(createBlobWithLength(125), 125 + baseOverhead);
  65     testBufferedAmount(createBlobWithLength(126), 126 + baseOverhead + 2);
  66     testBufferedAmount(createBlobWithLength(0xFFFF), 0xFFFF + baseOverhead + 2);
  67     testBufferedAmount(createBlobWithLength(0x10000), 0x10000 + baseOverhead + 8);
  68
  69     finishJSTest();
  70 };
  71
  72 var messageToSend;
  73 var bufferedAmountDifference;
  74
  75 function testBufferedAmount(message, expectedBufferedAmountDifference)
  76 {
  77     // If the connection is closed, bufferedAmount attribute's value will only
  78     // increase with each call to the send() method.
  79     // (the number does not reset to zero once the connection closes).
  80     messageToSend = message;
  81     var bufferedAmountBeforeSend = ws.bufferedAmount;
  82     shouldBeFalse("ws.send(messageToSend)");
  83     var bufferedAmountAfterSend = ws.bufferedAmount;
  84     bufferedAmountDifference = bufferedAmountAfterSend - bufferedAmountBeforeSend;
  85     shouldEvaluateTo("bufferedAmountDifference", expectedBufferedAmountDifference);
  86 }
  87
  88 </script>
  89 <script src="../../../../js-test-resources/js-test-post.js"></script>
  90 </body>
  91 </html>