blob: 201c077a07cf3370802ed5080101bb016c588daa [file] [log] [blame]
/// Copyright (c) 2009 Microsoft Corporation
///
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/// the following disclaimer.
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/*
This test is actually testing the [[Delete]] internal method (8.12.8). Since the
language provides no way to directly exercise [[Delete]], the tests are placed here.
*/
ES5Harness.registerTest( {
id: "11.4.1-4.a-1",
path: "TestCases/chapter11/11.4/11.4.1/11.4.1-4.a-1.js",
description: "delete operator returns true when deleting a configurable data property",
test: function testcase() {
var o = {};
var desc = { value: 1, configurable: true };
Object.defineProperty(o, "foo", desc);
var d = delete o.foo;
if (d === true && o.hasOwnProperty("foo") === false) {
return true;
}
},
precondition: function prereq() {
return (fnExists(Object.defineProperty) && fnExists(Object.hasOwnProperty));
}
});