зеркало из https://github.com/mozilla/pjs.git
92 строки
3.7 KiB
JavaScript
92 строки
3.7 KiB
JavaScript
/* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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* License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code, released March
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* 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*
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*/
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/**
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File Name: 11.4.1.js
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ECMA Section: 11.4.1 the Delete Operator
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Description: returns true if the property could be deleted
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returns false if it could not be deleted
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Author: christine@netscape.com
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Date: 7 july 1997
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*/
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var SECTION = "11.4.1";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "The delete operator";
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writeHeaderToLog( SECTION + " "+ TITLE);
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var testcases = getTestCases();
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test();
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function getTestCases() {
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var array = new Array();
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var item = 0;
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// 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") );
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// 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()") );
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array[item++] = new TestCase( SECTION, "x=new Date();delete x;typeof(x)", "undefined", eval("x=new Date();delete x;typeof(x)") );
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// array[item++] = new TestCase( SECTION, "delete(x=new Date())", true, delete(x=new Date()) );
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// array[item++] = new TestCase( SECTION, "delete('string primitive')", true, delete("string primitive") );
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// array[item++] = new TestCase( SECTION, "delete(new String( 'string object' ) )", true, delete(new String("string object")) );
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// array[item++] = new TestCase( SECTION, "delete(new Number(12345) )", true, delete(new Number(12345)) );
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array[item++] = new TestCase( SECTION, "delete(Math.PI)", false, delete(Math.PI) );
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// array[item++] = new TestCase( SECTION, "delete(null)", true, delete(null) );
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// array[item++] = new TestCase( SECTION, "delete(void(0))", true, delete(void(0)) );
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// variables declared with the var statement are not deletable.
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var abc;
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array[item++] = new TestCase( SECTION, "var abc; delete(abc)", false, delete abc );
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array[item++] = new TestCase( SECTION,
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"var OB = new MyObject(); for ( p in OB ) { delete p }",
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true,
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eval("var OB = new MyObject(); for ( p in OB ) { delete p }") );
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return ( array );
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}
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function test() {
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for ( tc = 0; tc < testcases.length; tc++ ) {
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testcases[tc].passed = writeTestCaseResult(
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testcases[tc].expect,
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testcases[tc].actual,
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testcases[tc].description +" = "+ testcases[tc].actual );
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testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "
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}
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stopTest();
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return ( testcases );
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}
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function MyObject() {
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this.prop1 = true;
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this.prop2 = false;
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this.prop3 = null
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this.prop4 = void 0;
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this.prop5 = "hi";
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this.prop6 = 42;
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this.prop7 = new Date();
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this.prop8 = Math.PI;
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} |