/* The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is Mozilla Communicator client code, released March * 31, 1998. * * The Initial Developer of the Original Code is Netscape Communications * Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * */ /** 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); var testcases = getTestCases(); test(); function getTestCases() { var array = new Array(); var item = 0; // array[item++] = new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.length", 2, eval("x=[9,8,7];delete(x[2]);x.length") ); // array[item++] = new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.toString()", "9,8", eval("x=[9,8,7];delete(x[2]);x.toString()") ); array[item++] = 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)) ); array[item++] = 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; array[item++] = new TestCase( SECTION, "var abc; delete(abc)", false, delete abc ); array[item++] = 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 }") ); return ( array ); } function test() { for ( tc = 0; tc < testcases.length; tc++ ) { testcases[tc].passed = writeTestCaseResult( testcases[tc].expect, testcases[tc].actual, testcases[tc].description +" = "+ testcases[tc].actual ); testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value " } stopTest(); return ( testcases ); } 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; }