js/src/jit-test/tests/proxy/testDirectProxyDefineProperty3.js

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

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