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comparison: js/src/jit-test/tests/collections/Array-of-surfaces.js
js/src/jit-test/tests/collections/Array-of-surfaces.js
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| -1:000000000000 | 0:7a25c7c2d318 |
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| 1 // Check superficial features of Array.of. | |
| 2 | |
| 3 load(libdir + "asserts.js"); | |
| 4 | |
| 5 var desc = Object.getOwnPropertyDescriptor(Array, "of"); | |
| 6 assertEq(desc.configurable, true); | |
| 7 assertEq(desc.enumerable, false); | |
| 8 assertEq(desc.writable, true); | |
| 9 assertEq(Array.of.length, 0); | |
| 10 assertThrowsInstanceOf(() => new Array.of(), TypeError); // not a constructor | |
| 11 | |
| 12 // When the this-value passed in is not a constructor, the result is an array. | |
| 13 for (let v of [undefined, null, false, "cow"]) | |
| 14 assertEq(Array.isArray(Array.of.call(v)), true); |
