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:          11.4.4.js
24    ECMA Section:       11.4.4 Prefix increment operator
25    Description:
26    The production UnaryExpression : ++ UnaryExpression is evaluated as
27    follows:
28
29    1.  Evaluate UnaryExpression.
30    2.  Call GetValue(Result(1)).
31    3.  Call ToNumber(Result(2)).
32    4.  Add the value 1 to Result(3), using the same rules as for the +
33        operator (section 11.6.3).
34    5.  Call PutValue(Result(1), Result(4)).
35    6.  Return Result(4).
36
37    Author:             christine@netscape.com
38    Date:               12 november 1997
39*/
40    var SECTION = "11.4.4";
41    var VERSION = "ECMA_1";
42    startTest();
43    var testcases = getTestCases();
44
45    writeHeaderToLog( SECTION + " Prefix increment operator");
46    test();
47
48function test() {
49    for ( tc=0; tc < testcases.length; tc++ ) {
50        testcases[tc].passed = writeTestCaseResult(
51                            testcases[tc].expect,
52                            testcases[tc].actual,
53                            testcases[tc].description +" = "+
54                            testcases[tc].actual );
55
56        testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
57    }
58    stopTest();
59    return ( testcases );
60}
61function getTestCases() {
62    var array = new Array();
63    var item = 0;
64
65    //  special case:  var is not defined
66
67    array[item++] = new TestCase( SECTION,  "var MYVAR; ++MYVAR",                       NaN,                            eval("var MYVAR; ++MYVAR") );
68    array[item++] = new TestCase( SECTION,  "var MYVAR= void 0; ++MYVAR",               NaN,                            eval("var MYVAR=void 0; ++MYVAR") );
69    array[item++] = new TestCase( SECTION,  "var MYVAR=null; ++MYVAR",                  1,                            eval("var MYVAR=null; ++MYVAR") );
70    array[item++] = new TestCase( SECTION,  "var MYVAR=true; ++MYVAR",                  2,                            eval("var MYVAR=true; ++MYVAR") );
71    array[item++] = new TestCase( SECTION,  "var MYVAR=false; ++MYVAR",                 1,                            eval("var MYVAR=false; ++MYVAR") );
72
73    // special numbers
74    // verify return value
75
76    array[item++] = new TestCase( SECTION,    "var MYVAR=Number.POSITIVE_INFINITY;++MYVAR", Number.POSITIVE_INFINITY,   eval("var MYVAR=Number.POSITIVE_INFINITY;++MYVAR") );
77    array[item++] = new TestCase( SECTION,    "var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR", Number.NEGATIVE_INFINITY,   eval("var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR") );
78    array[item++] = new TestCase( SECTION,    "var MYVAR=Number.NaN;++MYVAR",               Number.NaN,                 eval("var MYVAR=Number.NaN;++MYVAR") );
79
80    // verify value of variable
81
82    array[item++] = new TestCase( SECTION,    "var MYVAR=Number.POSITIVE_INFINITY;++MYVAR;MYVAR", Number.POSITIVE_INFINITY,   eval("var MYVAR=Number.POSITIVE_INFINITY;++MYVAR;MYVAR") );
83    array[item++] = new TestCase( SECTION,    "var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR;MYVAR", Number.NEGATIVE_INFINITY,   eval("var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR;MYVAR") );
84    array[item++] = new TestCase( SECTION,    "var MYVAR=Number.NaN;++MYVAR;MYVAR",               Number.NaN,                 eval("var MYVAR=Number.NaN;++MYVAR;MYVAR") );
85
86
87    // number primitives
88    array[item++] = new TestCase( SECTION,    "var MYVAR=0;++MYVAR",            1,          eval("var MYVAR=0;++MYVAR") );
89    array[item++] = new TestCase( SECTION,    "var MYVAR=0.2345;++MYVAR",       1.2345,     eval("var MYVAR=0.2345;++MYVAR") );
90    array[item++] = new TestCase( SECTION,    "var MYVAR=-0.2345;++MYVAR",      0.7655,     eval("var MYVAR=-0.2345;++MYVAR") );
91
92    // verify value of variable
93
94    array[item++] = new TestCase( SECTION,    "var MYVAR=0;++MYVAR;MYVAR",      1,         eval("var MYVAR=0;++MYVAR;MYVAR") );
95    array[item++] = new TestCase( SECTION,    "var MYVAR=0.2345;++MYVAR;MYVAR", 1.2345,    eval("var MYVAR=0.2345;++MYVAR;MYVAR") );
96    array[item++] = new TestCase( SECTION,    "var MYVAR=-0.2345;++MYVAR;MYVAR", 0.7655,   eval("var MYVAR=-0.2345;++MYVAR;MYVAR") );
97    array[item++] = new TestCase( SECTION,    "var MYVAR=0;++MYVAR;MYVAR",      1,   eval("var MYVAR=0;++MYVAR;MYVAR") );
98    array[item++] = new TestCase( SECTION,    "var MYVAR=0;++MYVAR;MYVAR",      1,   eval("var MYVAR=0;++MYVAR;MYVAR") );
99    array[item++] = new TestCase( SECTION,    "var MYVAR=0;++MYVAR;MYVAR",      1,   eval("var MYVAR=0;++MYVAR;MYVAR") );
100
101    // boolean values
102    // verify return value
103
104    array[item++] = new TestCase( SECTION,    "var MYVAR=true;++MYVAR",         2,       eval("var MYVAR=true;++MYVAR") );
105    array[item++] = new TestCase( SECTION,    "var MYVAR=false;++MYVAR",        1,      eval("var MYVAR=false;++MYVAR") );
106    // verify value of variable
107
108    array[item++] = new TestCase( SECTION,    "var MYVAR=true;++MYVAR;MYVAR",   2,   eval("var MYVAR=true;++MYVAR;MYVAR") );
109    array[item++] = new TestCase( SECTION,    "var MYVAR=false;++MYVAR;MYVAR",  1,   eval("var MYVAR=false;++MYVAR;MYVAR") );
110
111    // boolean objects
112    // verify return value
113
114    array[item++] = new TestCase( SECTION,    "var MYVAR=new Boolean(true);++MYVAR",         2,     eval("var MYVAR=true;++MYVAR") );
115    array[item++] = new TestCase( SECTION,    "var MYVAR=new Boolean(false);++MYVAR",        1,     eval("var MYVAR=false;++MYVAR") );
116    // verify value of variable
117
118    array[item++] = new TestCase( SECTION,    "var MYVAR=new Boolean(true);++MYVAR;MYVAR",   2,     eval("var MYVAR=new Boolean(true);++MYVAR;MYVAR") );
119    array[item++] = new TestCase( SECTION,    "var MYVAR=new Boolean(false);++MYVAR;MYVAR",  1,     eval("var MYVAR=new Boolean(false);++MYVAR;MYVAR") );
120
121    // string primitives
122    array[item++] = new TestCase( SECTION,    "var MYVAR='string';++MYVAR",         Number.NaN,     eval("var MYVAR='string';++MYVAR") );
123    array[item++] = new TestCase( SECTION,    "var MYVAR='12345';++MYVAR",          12346,          eval("var MYVAR='12345';++MYVAR") );
124    array[item++] = new TestCase( SECTION,    "var MYVAR='-12345';++MYVAR",         -12344,         eval("var MYVAR='-12345';++MYVAR") );
125    array[item++] = new TestCase( SECTION,    "var MYVAR='0Xf';++MYVAR",            16,             eval("var MYVAR='0Xf';++MYVAR") );
126    array[item++] = new TestCase( SECTION,    "var MYVAR='077';++MYVAR",            78,             eval("var MYVAR='077';++MYVAR") );
127    array[item++] = new TestCase( SECTION,    "var MYVAR=''; ++MYVAR",              1,              eval("var MYVAR='';++MYVAR") );
128
129    // verify value of variable
130
131    array[item++] = new TestCase( SECTION,    "var MYVAR='string';++MYVAR;MYVAR",   Number.NaN,     eval("var MYVAR='string';++MYVAR;MYVAR") );
132    array[item++] = new TestCase( SECTION,    "var MYVAR='12345';++MYVAR;MYVAR",    12346,          eval("var MYVAR='12345';++MYVAR;MYVAR") );
133    array[item++] = new TestCase( SECTION,    "var MYVAR='-12345';++MYVAR;MYVAR",   -12344,          eval("var MYVAR='-12345';++MYVAR;MYVAR") );
134    array[item++] = new TestCase( SECTION,    "var MYVAR='0xf';++MYVAR;MYVAR",      16,             eval("var MYVAR='0xf';++MYVAR;MYVAR") );
135    array[item++] = new TestCase( SECTION,    "var MYVAR='077';++MYVAR;MYVAR",      78,             eval("var MYVAR='077';++MYVAR;MYVAR") );
136    array[item++] = new TestCase( SECTION,    "var MYVAR='';++MYVAR;MYVAR",         1,              eval("var MYVAR='';++MYVAR;MYVAR") );
137
138    // string objects
139    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('string');++MYVAR",         Number.NaN,     eval("var MYVAR=new String('string');++MYVAR") );
140    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('12345');++MYVAR",          12346,          eval("var MYVAR=new String('12345');++MYVAR") );
141    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('-12345');++MYVAR",         -12344,         eval("var MYVAR=new String('-12345');++MYVAR") );
142    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('0Xf');++MYVAR",            16,             eval("var MYVAR=new String('0Xf');++MYVAR") );
143    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('077');++MYVAR",            78,             eval("var MYVAR=new String('077');++MYVAR") );
144    array[item++] = new TestCase( SECTION,    "var MYVAR=new String(''); ++MYVAR",              1,              eval("var MYVAR=new String('');++MYVAR") );
145
146    // verify value of variable
147
148    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('string');++MYVAR;MYVAR",   Number.NaN,     eval("var MYVAR=new String('string');++MYVAR;MYVAR") );
149    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('12345');++MYVAR;MYVAR",    12346,          eval("var MYVAR=new String('12345');++MYVAR;MYVAR") );
150    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('-12345');++MYVAR;MYVAR",   -12344,          eval("var MYVAR=new String('-12345');++MYVAR;MYVAR") );
151    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('0xf');++MYVAR;MYVAR",      16,             eval("var MYVAR=new String('0xf');++MYVAR;MYVAR") );
152    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('077');++MYVAR;MYVAR",      78,             eval("var MYVAR=new String('077');++MYVAR;MYVAR") );
153    array[item++] = new TestCase( SECTION,    "var MYVAR=new String('');++MYVAR;MYVAR",         1,              eval("var MYVAR=new String('');++MYVAR;MYVAR") );
154
155    return ( array );
156}
157