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comparison: js/src/jit-test/tests/arrays/push-densely-nonwritable-length.js
js/src/jit-test/tests/arrays/push-densely-nonwritable-length.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:fd11c84e5b0c |
|---|---|
| 1 function f(arr, v) | |
| 2 { | |
| 3 arr.push(v); | |
| 4 } | |
| 5 | |
| 6 function basic(out) | |
| 7 { | |
| 8 // Use a much-greater capacity than the eventual non-writable length. | |
| 9 var a = out.a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]; | |
| 10 Object.defineProperty(a, "length", { writable: false, value: 6 }); | |
| 11 | |
| 12 f(a, 99); | |
| 13 } | |
| 14 | |
| 15 var obj = {}; | |
| 16 var a; | |
| 17 | |
| 18 try | |
| 19 { | |
| 20 basic(obj); | |
| 21 throw new Error("didn't throw!"); | |
| 22 } | |
| 23 catch (e) | |
| 24 { | |
| 25 assertEq(e instanceof TypeError, true, "expected TypeError, got " + e); | |
| 26 | |
| 27 a = obj.a; | |
| 28 assertEq(a.hasOwnProperty(6), false); | |
| 29 assertEq(a[6], undefined); | |
| 30 assertEq(a.length, 6); | |
| 31 } |
