js/src/jit-test/tests/proxy/testDirectProxySet4.js

changeset 0
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-1:000000000000 0:1a19bed95ad8
1 load(libdir + "asserts.js");
2
3 /*
4 * Throw a TypeError if the trap sets a non-configurable accessor property that
5 * doest not have a setter
6 */
7 var target = {};
8 Object.defineProperty(target, 'foo', {
9 get: function () {
10 return 'bar'
11 },
12 configurable: false
13 });
14 assertThrowsInstanceOf(function () {
15 new Proxy(target, {
16 set: function (target, name, val, receiver) {
17 return true;
18 }
19 })['foo'] = 'baz';
20 }, TypeError);

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