/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /** File Name: 11.4.1.js ECMA Section: 11.4.1 the Delete Operator Description: returns true if the property could be deleted returns false if it could not be deleted Author: christine@netscape.com Date: 7 july 1997 */ var SECTION = "11.4.1"; var VERSION = "ECMA_1"; startTest(); var TITLE = "The delete operator"; writeHeaderToLog( SECTION + " "+ TITLE); // new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.length", 2, eval("x=[9,8,7];delete(x[2]);x.length") ); // new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.toString()", "9,8", eval("x=[9,8,7];delete(x[2]);x.toString()") ); new TestCase( SECTION, "x=new Date();delete x;typeof(x)", "undefined", eval("x=new Date();delete x;typeof(x)") ); // array[item++] = new TestCase( SECTION, "delete(x=new Date())", true, delete(x=new Date()) ); // array[item++] = new TestCase( SECTION, "delete('string primitive')", true, delete("string primitive") ); // array[item++] = new TestCase( SECTION, "delete(new String( 'string object' ) )", true, delete(new String("string object")) ); // array[item++] = new TestCase( SECTION, "delete(new Number(12345) )", true, delete(new Number(12345)) ); new TestCase( SECTION, "delete(Math.PI)", false, delete(Math.PI) ); // array[item++] = new TestCase( SECTION, "delete(null)", true, delete(null) ); // array[item++] = new TestCase( SECTION, "delete(void(0))", true, delete(void(0)) ); // variables declared with the var statement are not deletable. var abc; new TestCase( SECTION, "var abc; delete(abc)", false, delete abc ); new TestCase( SECTION, "var OB = new MyObject(); for ( p in OB ) { delete p }", true, eval("var OB = new MyObject(); for ( p in OB ) { delete p }") ); test(); function MyObject() { this.prop1 = true; this.prop2 = false; this.prop3 = null; this.prop4 = void 0; this.prop5 = "hi"; this.prop6 = 42; this.prop7 = new Date(); this.prop8 = Math.PI; }