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| 1 <!doctype html> |
| 2 <script src="../../resources/js-test.js"></script> |
| 3 <script src="resources/read-common.js"></script> |
| 4 <script> |
| 5 description("Test the Blob.close() method, revoking."); |
| 6 |
| 7 window.jsTestIsAsync = true; |
| 8 |
| 9 function base64ToUint8Array(a) |
| 10 { |
| 11 var binary = window.atob(a); |
| 12 var buffer = new Uint8Array(binary.length); |
| 13 for (var i = 0; i < binary.length; i++) |
| 14 buffer[i] = binary.charCodeAt(i); |
| 15 |
| 16 return buffer; |
| 17 } |
| 18 |
| 19 var pngBase64 = "iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAACXBIWXMAAAsTAAA
LEwEAmpwYAAAAnklEQVR42u3QMQEAAAgDoGlyo1vBzwciUJlw1ApkyZIlS5YsBbJkyZIlS5YCWbJkyZI
lS4EsWbJkyZKlQJYsWbJkyVIgS5YsWbJkKZAlS5YsWbIUyJIlS5YsWQpkyZIlS5YsBbJkyZIlS5YCWbJ
kyZIlS4EsWbJkyZKlQJYsWbJkyVIgS5YsWbJkKZAlS5YsWbIUyJIlS5YsWQpkyfq2MosBSIeKONMAAAA
ASUVORK5CYII="; |
| 20 |
| 21 var blobContents = [base64ToUint8Array(pngBase64)]; |
| 22 |
| 23 var blob; |
| 24 var blobURL1; |
| 25 var blobURL2; |
| 26 var img; |
| 27 var worker; |
| 28 var blobURLs = []; |
| 29 |
| 30 function testRevokeAfterCloseWorkers() |
| 31 { |
| 32 debug("Test that dereferencing URLs referring to closed Blobs fail, workers.
"); |
| 33 blob = new Blob(["postMessage('FAIL');"], {type: "application/javascript"}); |
| 34 for (var i = 0; i < 10; i++) |
| 35 blobURLs.push(window.URL.createObjectURL(blob)); |
| 36 |
| 37 // First check that the Blob URL can be used by a Worker, |
| 38 // then close it and verify that the rest cannot. |
| 39 |
| 40 function onNonClosedError() { |
| 41 testFailed("Worker failed to load from Blob."); |
| 42 blob.close(); |
| 43 testNextWorker(); |
| 44 } |
| 45 function onNonClosedMessage() { |
| 46 testPassed("Worker loaded."); |
| 47 blob.close(); |
| 48 testNextWorker(); |
| 49 } |
| 50 function onClosedError() { |
| 51 testPassed("Error triggered on starting Worker from a closed Blob."); |
| 52 testNextWorker(); |
| 53 } |
| 54 function onClosedMessage() { |
| 55 testFailed("Worker loaded."); |
| 56 testNextWorker(); |
| 57 } |
| 58 |
| 59 function testNextWorker(onerror, onmessage) { |
| 60 var u = blobURLs.shift(); |
| 61 if (u) { |
| 62 worker = new Worker(u); |
| 63 worker.onerror = onerror ? onerror : onClosedError; |
| 64 worker.onmessage = onmessage ? onmessage : onClosedMessage; |
| 65 } else { |
| 66 runNextTest(); |
| 67 } |
| 68 } |
| 69 testNextWorker(onNonClosedError, onNonClosedMessage); |
| 70 } |
| 71 |
| 72 function testRevokeAfterClose() |
| 73 { |
| 74 debug("Test that dereferencing URLs referring to closed Blobs fail."); |
| 75 blob = new Blob(blobContents, {type: "image/png"}); |
| 76 img = document.createElement("img"); |
| 77 img.onerror = function (e) { |
| 78 testPassed("Error triggered on loading image from closed Blob."); |
| 79 runNextTest(); |
| 80 }; |
| 81 img.onload = function () { |
| 82 testFailed("Image loaded"); |
| 83 runNextTest(); |
| 84 }; |
| 85 blobURL1 = window.URL.createObjectURL(blob); |
| 86 // create some more Blob URLs. |
| 87 for (var i = 0; i < 10; i++) |
| 88 window.URL.createObjectURL(blob); |
| 89 // Make them all inaccessible. |
| 90 blob.close(); |
| 91 img.src = blobURL1; |
| 92 } |
| 93 |
| 94 function testRegisterAfterClose() |
| 95 { |
| 96 debug("Test creating object URLs on closed Blobs"); |
| 97 blob = new Blob(["body{background: green}"], {type: "text/css"}); |
| 98 blobURL1 = window.URL.createObjectURL(blob); |
| 99 blob.close(); |
| 100 // Verifies createObjectURL() still works and returns a valid (non-empty) UR
L |
| 101 // without throwing an error. See http://crbug.com/344820 for this requireme
nt. |
| 102 blobURL2 = window.URL.createObjectURL(blob); |
| 103 shouldBeTrue("blobURL1 !== blobURL2"); |
| 104 shouldBeTrue("blobURL2.length > 0"); |
| 105 runNextTest(); |
| 106 } |
| 107 |
| 108 var tests = [ |
| 109 testRevokeAfterClose, |
| 110 testRevokeAfterCloseWorkers, |
| 111 testRegisterAfterClose ]; |
| 112 |
| 113 function runNextTest() |
| 114 { |
| 115 if (!tests.length) { |
| 116 finishJSTest(); |
| 117 return; |
| 118 } |
| 119 tests.shift()(); |
| 120 } |
| 121 </script> |
| 122 <body onload="runNextTest()"> |
| 123 </body> |
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Chromium Code Reviews
Issue 157363003:
Implement Blob.close(). (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master