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comparison: js/src/jit-test/tests/collections/Array-of-length-setter-2.js
js/src/jit-test/tests/collections/Array-of-length-setter-2.js
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| -1:000000000000 | 0:7610d3de8e2f |
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| 1 // Array.of does a strict assignment to the new object's .length. | |
| 2 // The assignment is strict even if the code we're calling from is not strict. | |
| 3 | |
| 4 load(libdir + "asserts.js"); | |
| 5 | |
| 6 function Empty() {} | |
| 7 Empty.of = Array.of; | |
| 8 Object.defineProperty(Empty.prototype, "length", {get: () => 0}); | |
| 9 | |
| 10 var nothing = new Empty; | |
| 11 nothing.length = 2; // no exception; this is not a strict mode assignment | |
| 12 | |
| 13 assertThrowsInstanceOf(() => Empty.of(), TypeError); |
