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comparison: js/src/jit-test/tests/arrays/push-slowly-nonwritable-length.js
js/src/jit-test/tests/arrays/push-slowly-nonwritable-length.js
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- 6474c204b198
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| -1:000000000000 | 0:30388cd7cb96 |
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| 1 load(libdir + "asserts.js"); | |
| 2 | |
| 3 function f(arr, v1, v2) | |
| 4 { | |
| 5 // Ensure array_push_slowly is called by passing more than one argument. | |
| 6 arr.push(v1, v2); | |
| 7 } | |
| 8 | |
| 9 function basic() | |
| 10 { | |
| 11 // Use a much-greater capacity than the eventual non-writable length. | |
| 12 var a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]; | |
| 13 Object.defineProperty(a, "length", { writable: false, value: 6 }); | |
| 14 | |
| 15 assertThrowsInstanceOf(() => f(a, 8675309, 3141592), TypeError); | |
| 16 | |
| 17 assertEq(a.hasOwnProperty(6), false); | |
| 18 assertEq(a[6], undefined); | |
| 19 assertEq(a.hasOwnProperty(7), false); | |
| 20 assertEq(a[7], undefined); | |
| 21 assertEq(a.length, 6); | |
| 22 } | |
| 23 | |
| 24 basic(); |
