tests/mozilla/ecma/Expressions/11.4.1.js

   1 /* The contents of this file are subject to the Netscape Public
   2  * License Version 1.1 (the "License"); you may not use this file
   3  * except in compliance with the License. You may obtain a copy of
   4  * the License at http://www.mozilla.org/NPL/
   5  *
   6  * Software distributed under the License is distributed on an "AS
   7  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
   8  * implied. See the License for the specific language governing
   9  * rights and limitations under the License.
  10  *
  11  * The Original Code is Mozilla Communicator client code, released March
  12  * 31, 1998.
  13  *
  14  * The Initial Developer of the Original Code is Netscape Communications
  15  * Corporation. Portions created by Netscape are
  16  * Copyright (C) 1998 Netscape Communications Corporation. All
  17  * Rights Reserved.
  18  *
  19  * Contributor(s):
  20  *
  21  */
  22 /**
  23     File Name:          11.4.1.js
  24     ECMA Section:       11.4.1 the Delete Operator
  25     Description:        returns true if the property could be deleted
  26                         returns false if it could not be deleted
  27     Author:             christine@netscape.com
  28     Date:               7 july 1997
  29
  30 */
  31
  32
  33     var SECTION = "11.4.1";
  34     var VERSION = "ECMA_1";
  35     startTest();
  36     var TITLE   = "The delete operator";
  37
  38     writeHeaderToLog( SECTION + " "+ TITLE);
  39
  40     var testcases = getTestCases();
  41
  42     test();
  43
  44 function getTestCases() {
  45     var array = new Array();
  46     var item = 0;
  47
  48 //    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") );
  49 //    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()") );
  50     array[item++] = new TestCase( SECTION,   "x=new Date();delete x;typeof(x)",        "undefined",    eval("x=new Date();delete x;typeof(x)") );
  51
  52 //    array[item++] = new TestCase( SECTION,   "delete(x=new Date())",        true,   delete(x=new Date()) );
  53 //    array[item++] = new TestCase( SECTION,   "delete('string primitive')",   true,   delete("string primitive") );
  54 //    array[item++] = new TestCase( SECTION,   "delete(new String( 'string object' ) )",  true,   delete(new String("string object")) );
  55 //    array[item++] = new TestCase( SECTION,   "delete(new Number(12345) )",  true,   delete(new Number(12345)) );
  56     array[item++] = new TestCase( SECTION,   "delete(Math.PI)",             false,   delete(Math.PI) );
  57 //    array[item++] = new TestCase( SECTION,   "delete(null)",                true,   delete(null) );
  58 //    array[item++] = new TestCase( SECTION,   "delete(void(0))",             true,   delete(void(0)) );
  59
  60     // variables declared with the var statement are not deletable.
  61
  62     var abc;
  63     array[item++] = new TestCase( SECTION,   "var abc; delete(abc)",        false,   delete abc );
  64
  65     array[item++] = new TestCase(   SECTION,
  66                                     "var OB = new MyObject(); for ( p in OB ) { delete p }",
  67                                     true,
  68                                     eval("var OB = new MyObject(); for ( p in OB ) { delete p }") );
  69     return ( array );
  70 }
  71
  72 function test() {
  73     for ( tc = 0; tc < testcases.length; tc++ ) {
  74         testcases[tc].passed = writeTestCaseResult(
  75                     testcases[tc].expect,
  76                     testcases[tc].actual,
  77                     testcases[tc].description +" = "+ testcases[tc].actual );
  78
  79             testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "
  80
  81     }
  82     stopTest();
  83     return ( testcases );
  84 }
  85
  86 function MyObject() {
  87     this.prop1 = true;
  88     this.prop2 = false;
  89     this.prop3 = null
  90     this.prop4 = void 0;
  91     this.prop5 = "hi";
  92     this.prop6 = 42;
  93     this.prop7 = new Date();
  94     this.prop8 = Math.PI;
  95 }