-1:000000000000 | 0:cc74831c1418 |
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1 load(libdir + "asserts.js"); | |
2 | |
3 /* | |
4 * Throw a TypeError if the trap skips an existing own property on a | |
5 * non-extensible object | |
6 */ | |
7 var target = {}; | |
8 Object.defineProperty(target, 'foo', { | |
9 configurable: true | |
10 }); | |
11 Object.preventExtensions(target); | |
12 assertThrowsInstanceOf(function () { | |
13 Object.getOwnPropertyNames(new Proxy(target, { | |
14 getOwnPropertyNames: function (target) { | |
15 return []; | |
16 } | |
17 })); | |
18 }, TypeError); |