1// META: title=Blob slice overflow 2'use strict'; 3 4var text = ''; 5 6for (var i = 0; i < 2000; ++i) { 7 text += 'A'; 8} 9 10test(function() { 11 var blob = new Blob([text]); 12 var sliceBlob = blob.slice(-1, blob.size); 13 assert_equals(sliceBlob.size, 1, "Blob slice size"); 14}, "slice start is negative, relativeStart will be max((size + start), 0)"); 15 16test(function() { 17 var blob = new Blob([text]); 18 var sliceBlob = blob.slice(blob.size + 1, blob.size); 19 assert_equals(sliceBlob.size, 0, "Blob slice size"); 20}, "slice start is greater than blob size, relativeStart will be min(start, size)"); 21 22test(function() { 23 var blob = new Blob([text]); 24 var sliceBlob = blob.slice(blob.size - 2, -1); 25 assert_equals(sliceBlob.size, 1, "Blob slice size"); 26}, "slice end is negative, relativeEnd will be max((size + end), 0)"); 27 28test(function() { 29 var blob = new Blob([text]); 30 var sliceBlob = blob.slice(blob.size - 2, blob.size + 999); 31 assert_equals(sliceBlob.size, 2, "Blob slice size"); 32}, "slice end is greater than blob size, relativeEnd will be min(end, size)"); 33