js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyNames7.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/proxy/testDirectProxyGetOwnPropertyNames7.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,18 @@
     1.4 +load(libdir + "asserts.js");
     1.5 +
     1.6 +/*
     1.7 + * Throw a TypeError if the trap skips an existing own property on a
     1.8 + * non-extensible object
     1.9 + */
    1.10 +var target = {};
    1.11 +Object.defineProperty(target, 'foo', {
    1.12 +    configurable: true
    1.13 +});
    1.14 +Object.preventExtensions(target);
    1.15 +assertThrowsInstanceOf(function () {
    1.16 +    Object.getOwnPropertyNames(new Proxy(target, {
    1.17 +        getOwnPropertyNames: function (target) {
    1.18 +            return [];
    1.19 +        }
    1.20 +    }));
    1.21 +}, TypeError);

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