// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 11.4.1-4-a-2-s description: > Strict Mode - TypeError is thrown when deleting non-configurable accessor property flags: [onlyStrict] includes: [runTestCase.js] ---*/ function testcase() { var obj = {}; Object.defineProperty(obj, "prop", { get: function () { return "abc"; }, configurable: false }); try { delete obj.prop; return false; } catch (e) { return e instanceof TypeError && obj.prop === "abc"; } } runTestCase(testcase);