test262/test/language/expressions/delete/11.4.1-4.a-17.js

24 lines
661 B
JavaScript

// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: >
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.
es5id: 11.4.1-4.a-17
description: delete operator returns true on deleting a arguments element
includes: [runTestCase.js]
---*/
function testcase() {
function foo(a,b)
{
var d = delete arguments[0];
return (d === true && arguments[0] === undefined);
}
if(foo(1,2) === true)
return true;
}
runTestCase(testcase);