third_party/WebKit/LayoutTests/http/tests/websocket/receive-arraybuffer.html

   1 <!DOCTYPE html>
   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>
  10 description("WebSocket: Receive ArrayBuffers.");
  11
  12 window.jsTestIsAsync = true;
  13
  14 function createArrayBufferContainingHelloWorld()
  15 {
  16     var hello = "Hello, world!";
  17     var array = new Uint8Array(hello.length);
  18     for (var i = 0; i < hello.length; ++i)
  19         array[i] = hello.charCodeAt(i);
  20     return array.buffer;
  21 }
  22
  23 function createEmptyArrayBuffer()
  24 {
  25     return new ArrayBuffer(0);
  26 }
  27
  28 function createArrayBufferContainingAllDistinctBytes()
  29 {
  30     var array = new Uint8Array(256);
  31     for (var i = 0; i < 256; ++i)
  32         array[i] = i;
  33     return array.buffer;
  34 }
  35
  36 var ws = new WebSocket("ws://127.0.0.1:8880/binary-frames");
  37 ws.binaryType = "arraybuffer";
  38 shouldBeEqualToString("ws.binaryType", "arraybuffer");
  39
  40 var closeEvent;
  41 var receivedMessages = [];
  42 var expectedValues = [createArrayBufferContainingHelloWorld(), createEmptyArrayBuffer(), createArrayBufferContainingAllDistinctBytes()];
  43
  44 ws.onmessage = function(event)
  45 {
  46     receivedMessages.push(event.data);
  47 };
  48
  49 ws.onclose = function(event)
  50 {
  51     closeEvent = event;
  52
  53     shouldEvaluateTo("receivedMessages.length", expectedValues.length);
  54     for (var i = 0; i < expectedValues.length; ++i)
  55         check(i);
  56     finishJSTest();
  57 };
  58
  59 var responseType;
  60
  61 function check(index)
  62 {
  63     debug("Checking message #" + index + ".");
  64     responseType = '' + receivedMessages[index];
  65     shouldBeEqualToString("responseType", "[object ArrayBuffer]");
  66     checkArrayBuffer(index, receivedMessages[index], expectedValues[index]);
  67 }
  68
  69 var actualArray;
  70 var expectedArray;
  71
  72 function checkArrayBuffer(testIndex, actual, expected)
  73 {
  74     actualArray = new Uint8Array(actual);
  75     expectedArray = new Uint8Array(expected);
  76     shouldEvaluateTo("actualArray.length", expectedArray.length);
  77     // Print only the first mismatched byte in order not to flood console.
  78     for (var i = 0; i < expectedArray.length; ++i) {
  79         if (actualArray[i] != expectedArray[i]) {
  80             testFailed("Value mismatch: actualArray[" + i + "] = " + actualArray[i] + ", expectedArray[" + i + "] = " + expectedArray[i]);
  81             return;
  82         }
  83     }
  84     testPassed("Passed: Message #" + testIndex + ".");
  85 }
  86
  87 </script>
  88 </body>
  89 </html>