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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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