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