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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, reading."); |
| 6 |
| 7 window.jsTestIsAsync = true; |
| 8 |
| 9 var blobContents = ['0123456789abcdef']; |
| 10 |
| 11 var blob; |
| 12 var sliced; |
| 13 var reader; |
| 14 var reader2; |
| 15 var result; |
| 16 |
| 17 function testReadAfterClose() |
| 18 { |
| 19 debug("Testing that the reading of closed Blobs fail."); |
| 20 blob = new Blob(blobContents); |
| 21 shouldBe("blob.close(); blob.size", "0"); |
| 22 reader = new FileReader(); |
| 23 shouldThrow("reader.readAsArrayBuffer(blob)"); |
| 24 shouldThrow("reader.readAsBinaryString(blob)"); |
| 25 shouldThrow("reader.readAsText(blob)"); |
| 26 shouldThrow("reader.readAsDataURL(blob)"); |
| 27 runNextTest(); |
| 28 } |
| 29 |
| 30 function testSlicedReadAfterClose() |
| 31 { |
| 32 debug("Testing that sliced reads aren't affected by close() on 'parent' Blob
."); |
| 33 blob = new Blob(blobContents); |
| 34 sliced = blob.slice(2); |
| 35 shouldBe("sliced.size", "14"); |
| 36 blob.close(); |
| 37 var reader = new FileReader(); |
| 38 reader.onload = function(event) { |
| 39 result = event.target.result; |
| 40 shouldBeEqualToString("result", blobContents[0].slice(2)); |
| 41 } |
| 42 reader.onloadend = function() { |
| 43 testPassed("readAsText() completed"); |
| 44 shouldBe("sliced.size", "14"); |
| 45 runNextTest(); |
| 46 } |
| 47 reader.onerror = function(event) { |
| 48 testFailed("Received error event: " + event.target.error.code); |
| 49 }; |
| 50 reader.readAsText(sliced); |
| 51 } |
| 52 |
| 53 function testContinuedReadAfterClose() |
| 54 { |
| 55 debug("Testing that ongoing async reads aren't interrupted by close()"); |
| 56 blob = new Blob(blobContents); |
| 57 var reader = new FileReader(); |
| 58 reader.onloadstart = function(event) { |
| 59 // Close the Blob being read. |
| 60 blob.close(); |
| 61 reader2 = new FileReader(); |
| 62 shouldThrow("reader2.readAsArrayBuffer(blob)"); |
| 63 shouldBe("blob.size", "0"); |
| 64 } |
| 65 reader.onload = function(event) { |
| 66 testPassed("FileReader loaded: " + event.target.result); |
| 67 } |
| 68 reader.onloadend = function() { |
| 69 testPassed("readAsText() completed"); |
| 70 shouldBe("blob.size", "0"); |
| 71 runNextTest(); |
| 72 } |
| 73 reader.onerror = function(event) { |
| 74 testFailed("Received error event: " + event.target.error.code); |
| 75 runNextTest(); |
| 76 }; |
| 77 reader.readAsText(blob); |
| 78 } |
| 79 |
| 80 var tests = [ |
| 81 testReadAfterClose, |
| 82 testContinuedReadAfterClose, |
| 83 testSlicedReadAfterClose ]; |
| 84 |
| 85 function runNextTest() |
| 86 { |
| 87 if (!tests.length) { |
| 88 finishJSTest(); |
| 89 return; |
| 90 } |
| 91 tests.shift()(); |
| 92 } |
| 93 |
| 94 runNextTest(); |
| 95 </script> |
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Chromium Code Reviews
Issue 157363003:
Implement Blob.close(). (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master