1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
gTestfile = '11.4.1.js';
/**
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;
}
|
