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42 ECMA Section: 11.4.1 the Delete Operator
43 Description: returns true if the property could be deleted
44 returns false if it could not be deleted
45 Author: christine@netscape.com
51 var SECTION = "11.4.1";
52 var VERSION = "ECMA_1";
54 var TITLE = "The delete operator";
56 writeHeaderToLog( SECTION + " "+ TITLE);
58 // new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.length", 2, eval("x=[9,8,7];delete(x[2]);x.length") );
59 // new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.toString()", "9,8", eval("x=[9,8,7];delete(x[2]);x.toString()") );
60 new TestCase( SECTION, "x=new Date();delete x;typeof(x)", "undefined", eval("x=new Date();delete x;typeof(x)") );
62 // array[item++] = new TestCase( SECTION, "delete(x=new Date())", true, delete(x=new Date()) );
63 // array[item++] = new TestCase( SECTION, "delete('string primitive')", true, delete("string primitive") );
64 // array[item++] = new TestCase( SECTION, "delete(new String( 'string object' ) )", true, delete(new String("string object")) );
65 // array[item++] = new TestCase( SECTION, "delete(new Number(12345) )", true, delete(new Number(12345)) );
66 new TestCase( SECTION, "delete(Math.PI)", false, delete(Math.PI) );
67 // array[item++] = new TestCase( SECTION, "delete(null)", true, delete(null) );
68 // array[item++] = new TestCase( SECTION, "delete(void(0))", true, delete(void(0)) );
70 // variables declared with the var statement are not deletable.
73 new TestCase( SECTION, "var abc; delete(abc)", false, delete abc );
75 new TestCase( SECTION,
76 "var OB = new MyObject(); for ( p in OB ) { delete p }",
78 eval("var OB = new MyObject(); for ( p in OB ) { delete p }") );
89 this.prop7 = new Date();