test262/test/language/expressions/delete/11.4.1-4-a-2-s.js

30 lines
730 B
JavaScript

// 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);