js/src/jit-test/tests/proxy/testDirectProxyKeys6.js

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1 load(libdir + "asserts.js");
2
3 // Throw a TypeError if the trap skips a non-configurable enumerable property
4 var target = {};
5 Object.defineProperty(target, 'foo', {
6 enumerable: true,
7 configurable: false
8 });
9 assertThrowsInstanceOf(function () {
10 Object.getOwnPropertyNames(new Proxy(target, {
11 getOwnPropertyNames: function (target) {
12 return [];
13 }
14 }));
15 }, TypeError);

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