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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 |
| 28 function testRevokeAfterClose() |
| 29 { |
| 30 debug("Test that dereferencing URLs referring to closed Blobs fail."); |
| 31 blob = buildBlob(blobContents, "image/png"); |
| 32 img = document.createElement("img"); |
| 33 img.onerror = function (e) { |
| 34 testPassed("Error triggered on loading image from closed Blob."); |
| 35 runNextTest(); |
| 36 }; |
| 37 img.onload = function () { |
| 38 testFailed("Image loaded"); |
| 39 runNextTest(); |
| 40 }; |
| 41 blobURL1 = window.URL.createObjectURL(blob); |
| 42 // create some more Blob URLs. |
| 43 for (var i = 0; i < 10; i++) |
| 44 window.URL.createObjectURL(blob); |
| 45 // Make them all inaccessible. |
| 46 blob.close(); |
| 47 img.src = blobURL1; |
| 48 } |
| 49 |
| 50 function testRegisterAfterClose() |
| 51 { |
| 52 debug("Test creating object URLs on closed Blobs"); |
| 53 blob = buildBlob(["body{background: green}"], "text/css"); |
| 54 blobURL1 = window.URL.createObjectURL(blob); |
| 55 blob.close(); |
| 56 blobURL2 = window.URL.createObjectURL(blob); |
| 57 shouldBeTrue("blobURL1 !== blobURL2"); |
| 58 shouldBeTrue("blobURL2.length > 0"); |
| 59 runNextTest(); |
| 60 } |
| 61 |
| 62 var tests = [ |
| 63 testRevokeAfterClose, |
| 64 testRegisterAfterClose ]; |
| 65 |
| 66 function runNextTest() |
| 67 { |
| 68 if (!tests.length) { |
| 69 finishJSTest(); |
| 70 return; |
| 71 } |
| 72 tests.shift()(); |
| 73 } |
| 74 </script> |
| 75 <body onload="runNextTest()"> |
| 76 </body> |
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Chromium Code Reviews
Issue 157363003:
Implement Blob.close(). (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master