js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyNames6.js

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

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