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:          11.1.1.js
24    ECMA Section:       11.1.1 The this keyword
25    Description:
26
27    The this keyword evaluates to the this value of the execution context.
28
29    Author:             christine@netscape.com
30    Date:               12 november 1997
31*/
32    var SECTION = "11.1.1";
33    var VERSION = "ECMA_1";
34    startTest();
35
36    writeHeaderToLog( SECTION + " The this keyword");
37
38    var testcases = new Array();
39    var item = 0;
40
41    var GLOBAL_OBJECT = this.toString();
42
43    // this in global code and eval(this) in global code should return the global object.
44
45    testcases[item++] = new TestCase(   SECTION,
46                                        "Global Code: this.toString()",
47                                        GLOBAL_OBJECT,
48                                        this.toString() );
49
50    testcases[item++] = new TestCase(   SECTION,
51                                        "Global Code:  eval('this.toString()')",
52                                        GLOBAL_OBJECT,
53                                        eval('this.toString()') );
54
55    // this in anonymous code called as a function should return the global object.
56
57    testcases[item++] = new TestCase(   SECTION,
58                                        "Anonymous Code: var MYFUNC = new Function('return this.toString()'); MYFUNC()",
59                                        GLOBAL_OBJECT,
60                                        eval("var MYFUNC = new Function('return this.toString()'); MYFUNC()") );
61
62    // eval( this ) in anonymous code called as a function should return that function's activation object
63
64    testcases[item++] = new TestCase(   SECTION,
65                                        "Anonymous Code: var MYFUNC = new Function('return (eval(\"this.toString()\")'); (MYFUNC()).toString()",
66                                        GLOBAL_OBJECT,
67                                        eval("var MYFUNC = new Function('return eval(\"this.toString()\")'); (MYFUNC()).toString()") );
68
69    // this and eval( this ) in anonymous code called as a constructor should return the object
70
71    testcases[item++] = new TestCase(   SECTION,
72                                        "Anonymous Code: var MYFUNC = new Function('this.THIS = this'); ((new MYFUNC()).THIS).toString()",
73                                        "[object Object]",
74                                        eval("var MYFUNC = new Function('this.THIS = this'); ((new MYFUNC()).THIS).toString()") );
75
76    testcases[item++] = new TestCase(   SECTION,
77                                        "Anonymous Code: var MYFUNC = new Function('this.THIS = this'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1",
78                                        true,
79                                        eval("var MYFUNC = new Function('this.THIS = this'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1") );
80
81    testcases[item++] = new TestCase(   SECTION,
82                                        "Anonymous Code: var MYFUNC = new Function('this.THIS = eval(\"this\")'); ((new MYFUNC().THIS).toString()",
83                                        "[object Object]",
84                                        eval("var MYFUNC = new Function('this.THIS = eval(\"this\")'); ((new MYFUNC()).THIS).toString()") );
85
86    testcases[item++] = new TestCase(   SECTION,
87                                        "Anonymous Code: var MYFUNC = new Function('this.THIS = eval(\"this\")'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1",
88                                        true,
89                                        eval("var MYFUNC = new Function('this.THIS = eval(\"this\")'); var FUN1 = new MYFUNC(); FUN1.THIS == FUN1") );
90
91    // this and eval(this) in function code called as a function should return the global object.
92    testcases[item++] = new TestCase(   SECTION,
93                                        "Function Code:  ReturnThis()",
94                                        GLOBAL_OBJECT,
95                                        ReturnThis() );
96
97    testcases[item++] = new TestCase(   SECTION,
98                                        "Function Code:  ReturnEvalThis()",
99                                        GLOBAL_OBJECT,
100                                        ReturnEvalThis() );
101
102    //  this and eval(this) in function code called as a contructor should return the object.
103    testcases[item++] = new TestCase(   SECTION,
104                                        "var MYOBJECT = new ReturnThis(); MYOBJECT.toString()",
105                                        "[object Object]",
106                                        eval("var MYOBJECT = new ReturnThis(); MYOBJECT.toString()") );
107
108    testcases[item++] = new TestCase(   SECTION,
109                                        "var MYOBJECT = new ReturnEvalThis(); MYOBJECT.toString()",
110                                        "[object Object]",
111                                        eval("var MYOBJECT = new ReturnEvalThis(); MYOBJECT.toString()") );
112
113
114
115    test();
116
117function test() {
118    for ( tc=0; tc < testcases.length; tc++ ) {
119        testcases[tc].passed = writeTestCaseResult(
120                            testcases[tc].expect,
121                            testcases[tc].actual,
122                            testcases[tc].description +" = "+
123                            testcases[tc].actual );
124
125        testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
126    }
127    stopTest();
128    return ( testcases );
129}
130function ReturnThis() {
131    return this.toString();
132}
133function ReturnEvalThis() {
134    return( eval("this.toString()") );
135}