third_party/WebKit/LayoutTests/http/tests/websocket/bufferedAmount-after-close-in-busy.html

   1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
   2 <html>
   3 <head>
   4 <script src="/js-test-resources/js-test.js"></script>
   5 </head>
   6 <body>
   7 <div id="description"></div>
   8 <div id="console"></div>
   9 <script type="text/javascript">
  10 description("WebSocket bufferedAmount after closed in busy");
  11
  12 window.jsTestIsAsync = true;
  13
  14 function createStringWithLength(length)
  15 {
  16     var string = 'x';
  17     while (string.length < length)
  18         string = string + string;
  19     return string.substring(0, length);
  20 }
  21
  22 function createBlobWithLength(length)
  23 {
  24     return new Blob([new Uint8Array(length)]);
  25 }
  26
  27 var ws = new WebSocket("ws://localhost:8880/echo");
  28
  29 var bufferedAmountBeforeClose = 0;
  30 var bufferedAmountAfterClose = 0;
  31 var bufferedAmountAfterClosed = 0;
  32 var closeFrameSize = 6;
  33
  34 ws.onopen = function()
  35 {
  36     debug("Connected.");
  37
  38     var data = createStringWithLength(8193);
  39     for (var i = 0; i < 100; ++i) {
  40         ws.send(data);
  41         if (ws.bufferedAmount > 262144)
  42             break;
  43     }
  44     bufferedAmountBeforeClose = ws.bufferedAmount;
  45     ws.close();
  46     bufferedAmountAfterClose = ws.bufferedAmount;
  47     shouldBeTrue("bufferedAmountBeforeClose + closeFrameSize >= bufferedAmountAfterClose");
  48 };
  49
  50 ws.onclose = function()
  51 {
  52     debug("Closed.");
  53     shouldBe("ws.readyState", "3");
  54     shouldBeTrue("ws.bufferedAmount <= bufferedAmountAfterClose");
  55
  56     debug("Testing send(string)...");
  57     testBufferedAmount('send to closed socket', 21);
  58     testBufferedAmount('', 0);
  59     testBufferedAmount('a', 1);
  60     testBufferedAmount(createStringWithLength(125), 125);
  61     testBufferedAmount(createStringWithLength(126), 126); // With 16-bit extended payload length field.
  62     testBufferedAmount(createStringWithLength(0xFFFF), 0xFFFF);
  63     testBufferedAmount(createStringWithLength(0x10000), 0x10000); // With 64-bit extended payload length field.
  64
  65     debug("Testing send(ArrayBuffer)...");
  66     testBufferedAmount(new ArrayBuffer(0), 0);
  67     testBufferedAmount(new ArrayBuffer(1), 1);
  68     testBufferedAmount(new ArrayBuffer(125), 125);
  69     testBufferedAmount(new ArrayBuffer(126), 126);
  70     testBufferedAmount(new ArrayBuffer(0xFFFF), 0xFFFF);
  71     testBufferedAmount(new ArrayBuffer(0x10000), 0x10000);
  72
  73     debug("Testing send(Blob)...");
  74     testBufferedAmount(createBlobWithLength(0), 0);
  75     testBufferedAmount(createBlobWithLength(1), 1);
  76     testBufferedAmount(createBlobWithLength(125), 125);
  77     testBufferedAmount(createBlobWithLength(126), 126);
  78     testBufferedAmount(createBlobWithLength(0xFFFF), 0xFFFF);
  79     testBufferedAmount(createBlobWithLength(0x10000), 0x10000);
  80     finishJSTest();
  81 };
  82
  83 ws.onerror = function()
  84 {
  85     debug("Error.");
  86 }
  87
  88 var messageToSend;
  89 var bufferedAmountDifference;
  90
  91 function testBufferedAmount(message, expectedBufferedAmountDifference)
  92 {
  93     // If the connection is closed, bufferedAmount attribute's value will only
  94     // increase with each call to the send() method.
  95     // (the number does not reset to zero once the connection closes).
  96     messageToSend = message;
  97     var bufferedAmountBeforeSend = ws.bufferedAmount;
  98     shouldBeUndefined("ws.send(messageToSend)");
  99     var bufferedAmountAfterSend = ws.bufferedAmount;
 100     bufferedAmountDifference = bufferedAmountAfterSend - bufferedAmountBeforeSend;
 101     shouldEvaluateTo("bufferedAmountDifference", expectedBufferedAmountDifference);
 102 }
 103
 104 </script>
 105 </body>
 106 </html>