The Tor Browser / file comparison
comparison: js/src/tests/js1_8_5/extensions/file-mapped-arraybuffers.js
js/src/tests/js1_8_5/extensions/file-mapped-arraybuffers.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
equal
deleted
inserted
replaced
| -1:000000000000 | 0:f2ed6b19d6eb |
|---|---|
| 1 // |reftest| skip-if(!xulRuntime.shell) | |
| 2 // Any copyright is dedicated to the Public Domain. | |
| 3 // http://creativecommons.org/licenses/publicdomain/ | |
| 4 | |
| 5 function viewToString(view) | |
| 6 { | |
| 7 return String.fromCharCode.apply(null, view); | |
| 8 } | |
| 9 | |
| 10 function assertThrows(f, wantException) | |
| 11 { | |
| 12 try { | |
| 13 f(); | |
| 14 assertEq(true, false, "expected " + wantException + " exception"); | |
| 15 } catch (e) { | |
| 16 assertEq(e.name, wantException.name, e.toString()); | |
| 17 } | |
| 18 } | |
| 19 | |
| 20 function test() { | |
| 21 var filename = "file-mapped-arraybuffers.txt"; | |
| 22 var buffer = createMappedArrayBuffer(filename); | |
| 23 var view = new Uint8Array(buffer); | |
| 24 assertEq(viewToString(view), "01234567abcdefghijkl"); | |
| 25 | |
| 26 var buffer2 = createMappedArrayBuffer(filename, 8); | |
| 27 view = new Uint8Array(buffer2); | |
| 28 assertEq(viewToString(view), "abcdefghijkl"); | |
| 29 | |
| 30 var buffer3 = createMappedArrayBuffer(filename, 0, 8); | |
| 31 view = new Uint8Array(buffer3); | |
| 32 assertEq(viewToString(view), "01234567"); | |
| 33 | |
| 34 // Check that invalid sizes and offsets are caught | |
| 35 assertThrows(() => createMappedArrayBuffer("empty.txt", 8), RangeError); | |
| 36 assertThrows(() => createMappedArrayBuffer("empty.txt", 0, 8), Error); | |
| 37 } | |
| 38 | |
| 39 test(); | |
| 40 reportCompare(0, 0, 'ok'); |
