LayoutTests/fast/xmlhttprequest/xmlhttprequest-responsetype-arraybuffer.html - WebKit - Git at Google

 <html>
 <head>
 <script src="../js/resources/js-test-pre.js"></script>
 </head>
 <body>
 <div id="description"></div>
 <div id="console"></div>

 <script>
 description("Tests XMLHttpRequest 'arraybuffer' loading with the .responseType and .response attributes.");

 var xhr = 0;
 var lastState = 0;

 function stateChange() {
     // Protect against race-condition where .onreadystatechange sometimes will be called multiple times for the same state.
     if (xhr.readyState == lastState)
         return;
     lastState = xhr.readyState;

     if (xhr.readyState == XMLHttpRequest.DONE) {
         // Check that .response exists when .readyState is DONE
         if (xhr.response)
             testPassed("'arraybuffer' .response exists when .readyState is " + xhr.readyState + ".");
         else
             testFailed("'arraybuffer' .response should exist when .readyState is " + xhr.readyState + ".");
     } else {
         // Otherwise, for 'arraybuffer' the .response should not yet exist.
         if (!xhr.response)
             testPassed("'arraybuffer' .response does not exist when .readyState is " + xhr.readyState + ".");
         else
             testFailed("'arraybuffer' .response should not exist when .readyState is " + xhr.readyState + ".");
     }
 }

 function logBytesAtOffset(buffer8, offset) {
     var s = "bytes at offset " + offset + " : ";
     for (var i = 0; i < 8; ++i)
         s += buffer8[i + offset].toString(16) + ' ';

     debug(s);
 }

 function load() {
     testPassed('DONE LOADING');
     testPassed('received response object : ' + xhr.response + ".");

     // Make sure exception is thrown if responseType is set too late in the loading process.
     try {
         xhr.responseType = "text";
     } catch(e) {
         testPassed("exception correctly thrown when xhr.responseType is set to valid value too late in the loading process : " + e + ".");
     }

     var buffer = xhr.response;

     // Interpret the ArrayBuffer as Uint8Array.
     var buffer8 = new Uint8Array(buffer);
     buffer8.set(buffer);

     var totalLength = buffer8.length;
     debug('response length : ' + totalLength + ".");

     // Log the bytes at the start, in the middle, and near the end:
     logBytesAtOffset(buffer8, 0);
     logBytesAtOffset(buffer8, 0x5720A);
     logBytesAtOffset(buffer8, 0xA39D6);

     // Calculate checksum.
     var sum = 0;
     for (var i = 0; i < totalLength; ++i) {
         sum += buffer8[i];
     }

     debug('checksum : ' + sum);

     // Check that xhr.responseText throws an exception:
     try {
         var x = xhr.responseText;
     } catch(e) {
         testPassed("exception correctly thrown when xhr.responseText is accessed but responseType is 'arraybuffer' : " + e + ".");
     }

     // Check that xhr.responseXML throws an exception:
     try {
         var x = xhr.responseXML;
     } catch(e) {
         testPassed("exception correctly thrown when xhr.responseXML is accessed but responseType is 'arraybuffer' : " + e + ".");
     }

     // Test .response garbage collection.
     xhr.response.foo = "bar";
     gc();
     shouldBe("xhr.response.foo", "'bar'");

     xhr = null;
     finishJSTest();
 }

 function runTest() {
     if (window.testRunner) {
         testRunner.dumpAsText();
         testRunner.waitUntilDone();
     }

     xhr = new XMLHttpRequest();
     xhr.onreadystatechange = stateChange;
     xhr.onload = load;
     xhr.open("GET", "../../http/tests/resources/balls-of-the-orient.aif", true);

     try {
         if ("responseType" in xhr)
             testPassed("responseType property exists.");

         if ("response" in xhr)
             testPassed("response property exists.");

         if (xhr.responseType == "")
             testPassed("xhr.responseType is initially set to default value of empty string.");

         // Make sure we can set responseType to valid values before send() is called.
         try {
             xhr.responseType = "";
             if (xhr.responseType == "")
                 testPassed("xhr.responseType has been correctly set to ''.");

             xhr.responseType = "text";
             if (xhr.responseType == "text")
                 testPassed("xhr.responseType has been correctly set to 'text'.");

             xhr.responseType = "document";
             if (xhr.responseType == "document")
                 testPassed("xhr.responseType has been correctly set to 'document'.");

             xhr.responseType = "arraybuffer";
             if (xhr.responseType == "arraybuffer")
                 testPassed("xhr.responseType has been correctly set to 'arraybuffer'.");
         } catch(e) {
             testFailed("unable to set xhr.responseType to a valid value " + e + ".");
         }
     } catch(e) {
         testFailed("Caught exception " + e + ".");
     }

     xhr.send(null);
     window.jsTestIsAsync = true;
 }

 runTest();

 </script>

 <script src="../js/resources/js-test-post.js"></script>
 </body>
 </html>
	<html>
	<head>
	<script src="../js/resources/js-test-pre.js"></script>
	</head>
	<body>
	<div id="description"></div>
	<div id="console"></div>

	<script>
	description("Tests XMLHttpRequest 'arraybuffer' loading with the .responseType and .response attributes.");

	var xhr = 0;
	var lastState = 0;

	function stateChange() {
	// Protect against race-condition where .onreadystatechange sometimes will be called multiple times for the same state.
	if (xhr.readyState == lastState)
	return;
	lastState = xhr.readyState;

	if (xhr.readyState == XMLHttpRequest.DONE) {
	// Check that .response exists when .readyState is DONE
	if (xhr.response)
	testPassed("'arraybuffer' .response exists when .readyState is " + xhr.readyState + ".");
	else
	testFailed("'arraybuffer' .response should exist when .readyState is " + xhr.readyState + ".");
	} else {
	// Otherwise, for 'arraybuffer' the .response should not yet exist.
	if (!xhr.response)
	testPassed("'arraybuffer' .response does not exist when .readyState is " + xhr.readyState + ".");
	else
	testFailed("'arraybuffer' .response should not exist when .readyState is " + xhr.readyState + ".");
	}
	}

	function logBytesAtOffset(buffer8, offset) {
	var s = "bytes at offset " + offset + " : ";
	for (var i = 0; i < 8; ++i)
	s += buffer8[i + offset].toString(16) + ' ';

	debug(s);
	}

	function load() {
	testPassed('DONE LOADING');
	testPassed('received response object : ' + xhr.response + ".");

	// Make sure exception is thrown if responseType is set too late in the loading process.
	try {
	xhr.responseType = "text";
	} catch(e) {
	testPassed("exception correctly thrown when xhr.responseType is set to valid value too late in the loading process : " + e + ".");
	}

	var buffer = xhr.response;

	// Interpret the ArrayBuffer as Uint8Array.
	var buffer8 = new Uint8Array(buffer);
	buffer8.set(buffer);

	var totalLength = buffer8.length;
	debug('response length : ' + totalLength + ".");

	// Log the bytes at the start, in the middle, and near the end:
	logBytesAtOffset(buffer8, 0);
	logBytesAtOffset(buffer8, 0x5720A);
	logBytesAtOffset(buffer8, 0xA39D6);

	// Calculate checksum.
	var sum = 0;
	for (var i = 0; i < totalLength; ++i) {
	sum += buffer8[i];
	}

	debug('checksum : ' + sum);

	// Check that xhr.responseText throws an exception:
	try {
	var x = xhr.responseText;
	} catch(e) {
	testPassed("exception correctly thrown when xhr.responseText is accessed but responseType is 'arraybuffer' : " + e + ".");
	}

	// Check that xhr.responseXML throws an exception:
	try {
	var x = xhr.responseXML;
	} catch(e) {
	testPassed("exception correctly thrown when xhr.responseXML is accessed but responseType is 'arraybuffer' : " + e + ".");
	}

	// Test .response garbage collection.
	xhr.response.foo = "bar";
	gc();
	shouldBe("xhr.response.foo", "'bar'");

	xhr = null;
	finishJSTest();
	}

	function runTest() {
	if (window.testRunner) {
	testRunner.dumpAsText();
	testRunner.waitUntilDone();
	}

	xhr = new XMLHttpRequest();
	xhr.onreadystatechange = stateChange;
	xhr.onload = load;
	xhr.open("GET", "../../http/tests/resources/balls-of-the-orient.aif", true);

	try {
	if ("responseType" in xhr)
	testPassed("responseType property exists.");

	if ("response" in xhr)
	testPassed("response property exists.");

	if (xhr.responseType == "")
	testPassed("xhr.responseType is initially set to default value of empty string.");

	// Make sure we can set responseType to valid values before send() is called.
	try {
	xhr.responseType = "";
	if (xhr.responseType == "")
	testPassed("xhr.responseType has been correctly set to ''.");

	xhr.responseType = "text";
	if (xhr.responseType == "text")
	testPassed("xhr.responseType has been correctly set to 'text'.");

	xhr.responseType = "document";
	if (xhr.responseType == "document")
	testPassed("xhr.responseType has been correctly set to 'document'.");

	xhr.responseType = "arraybuffer";
	if (xhr.responseType == "arraybuffer")
	testPassed("xhr.responseType has been correctly set to 'arraybuffer'.");
	} catch(e) {
	testFailed("unable to set xhr.responseType to a valid value " + e + ".");
	}
	} catch(e) {
	testFailed("Caught exception " + e + ".");
	}

	xhr.send(null);
	window.jsTestIsAsync = true;
	}

	runTest();

	</script>

	<script src="../js/resources/js-test-post.js"></script>
	</body>
	</html>