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| 1 <!DOCTYPE html> | |
| 2 <meta charset="utf-8"> | |
| 3 <title>Blob slice overflow</title> | |
| 4 <link rel="author" title="Intel" href="http://www.intel.com"> | |
| 5 <link rel="help" href="https://w3c.github.io/FileAPI/#dfn-slice"> | |
| 6 <script src="../../../../resources/testharness.js"></script> | |
| 7 <script src="../../../../resources/testharnessreport.js"></script> | |
| 8 <div id="log"></div> | |
| 9 <script> | |
| 10 | |
| 11 var text = ''; | |
| 12 | |
| 13 for (var i = 0; i < 2000; ++i) { | |
| 14 text += 'A'; | |
| 15 } | |
| 16 | |
| 17 test(function() { | |
| 18 var blob = new Blob([text]); | |
| 19 var sliceBlob = blob.slice(-1, 2000); | |
| 20 assert_equals(sliceBlob.size, 2000-(2000-1), "Bolb slice size"); | |
| 21 }, "slice start is negative, relativeStart will be max((size + start), 0)"); | |
| 22 | |
| 23 test(function() { | |
| 24 var blob = new Blob([text]); | |
| 25 var sliceBlob = blob.slice(2001, 2000); | |
| 26 assert_equals(sliceBlob.size, 0, "Bolb slice size"); | |
| 27 }, "slice start is greater than blob size, relativeStart will be min(start, size
)"); | |
| 28 | |
| 29 test(function() { | |
| 30 var blob = new Blob([text]); | |
| 31 var sliceBlob = blob.slice(1998, -1); | |
| 32 assert_equals(sliceBlob.size, (2000-1)-1998, "Bolb slice size"); | |
| 33 }, "slice end is negative, relativeEnd will be max((size + end), 0)"); | |
| 34 | |
| 35 test(function() { | |
| 36 var blob = new Blob([text]); | |
| 37 var sliceBlob = blob.slice(1998, 2999); | |
| 38 assert_equals(sliceBlob.size, 2000-1998, "Bolb slice size"); | |
| 39 }, "slice end is greater than blob size, relativeEnd will be min(end, size)"); | |
| 40 | |
| 41 </script> | |
| 42 | |
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