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/
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.
11 * The Original Code is Mozilla Communicator client code, released March
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
24 ECMA Section: 11.3.2 Postfix decrement operator
27 11.3.2 Postfix decrement operator
29 The production MemberExpression : MemberExpression -- is evaluated as follows:
30 1. Evaluate MemberExpression.
31 2. Call GetValue(Result(1)).
32 3. Call ToNumber(Result(2)).
33 4. Subtract the value 1 from Result(3), using the same rules as for the -
35 5. Call PutValue(Result(1), Result(4)).
38 Author: christine@netscape.com
39 Date: 12 november 1997
41 var SECTION = "11.3.2";
42 var VERSION = "ECMA_1";
44 var testcases = getTestCases();
46 writeHeaderToLog( SECTION + " Postfix decrement operator");
50 for ( tc=0; tc < testcases.length; tc++ ) {
51 testcases[tc].passed = writeTestCaseResult(
54 testcases[tc].description +" = "+
55 testcases[tc].actual );
57 testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
62 function getTestCases() {
63 var array = new Array();
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--", 0, eval("var MYVAR=null; MYVAR--") );
70 array[item++] = new TestCase( SECTION, "var MYVAR=true; MYVAR--", 1, eval("var MYVAR=true; MYVAR--") );
71 array[item++] = new TestCase( SECTION, "var MYVAR=false; MYVAR--", 0, eval("var MYVAR=false; MYVAR--") );
73 // verify return value
75 array[item++] = new TestCase( SECTION, "var MYVAR=Number.POSITIVE_INFINITY;MYVAR--", Number.POSITIVE_INFINITY, eval("var MYVAR=Number.POSITIVE_INFINITY;MYVAR--") );
76 array[item++] = new TestCase( SECTION, "var MYVAR=Number.NEGATIVE_INFINITY;MYVAR--", Number.NEGATIVE_INFINITY, eval("var MYVAR=Number.NEGATIVE_INFINITY;MYVAR--") );
77 array[item++] = new TestCase( SECTION, "var MYVAR=Number.NaN;MYVAR--", Number.NaN, eval("var MYVAR=Number.NaN;MYVAR--") );
79 // verify value of variable
81 array[item++] = new TestCase( SECTION, "var MYVAR=Number.POSITIVE_INFINITY;MYVAR--;MYVAR", Number.POSITIVE_INFINITY, eval("var MYVAR=Number.POSITIVE_INFINITY;MYVAR--;MYVAR") );
82 array[item++] = new TestCase( SECTION, "var MYVAR=Number.NEGATIVE_INFINITY;MYVAR--;MYVAR", Number.NEGATIVE_INFINITY, eval("var MYVAR=Number.NEGATIVE_INFINITY;MYVAR--;MYVAR") );
83 array[item++] = new TestCase( SECTION, "var MYVAR=Number.NaN;MYVAR--;MYVAR", Number.NaN, eval("var MYVAR=Number.NaN;MYVAR--;MYVAR") );
86 array[item++] = new TestCase( SECTION, "var MYVAR=0;MYVAR--", 0, eval("var MYVAR=0;MYVAR--") );
87 array[item++] = new TestCase( SECTION, "var MYVAR=0.2345;MYVAR--", 0.2345, eval("var MYVAR=0.2345;MYVAR--") );
88 array[item++] = new TestCase( SECTION, "var MYVAR=-0.2345;MYVAR--", -0.2345, eval("var MYVAR=-0.2345;MYVAR--") );
90 // verify value of variable
92 array[item++] = new TestCase( SECTION, "var MYVAR=0;MYVAR--;MYVAR", -1, eval("var MYVAR=0;MYVAR--;MYVAR") );
93 array[item++] = new TestCase( SECTION, "var MYVAR=0.2345;MYVAR--;MYVAR", -0.7655, eval("var MYVAR=0.2345;MYVAR--;MYVAR") );
94 array[item++] = new TestCase( SECTION, "var MYVAR=-0.2345;MYVAR--;MYVAR", -1.2345, eval("var MYVAR=-0.2345;MYVAR--;MYVAR") );
95 array[item++] = new TestCase( SECTION, "var MYVAR=0;MYVAR--;MYVAR", -1, eval("var MYVAR=0;MYVAR--;MYVAR") );
96 array[item++] = new TestCase( SECTION, "var MYVAR=0;MYVAR--;MYVAR", -1, eval("var MYVAR=0;MYVAR--;MYVAR") );
97 array[item++] = new TestCase( SECTION, "var MYVAR=0;MYVAR--;MYVAR", -1, eval("var MYVAR=0;MYVAR--;MYVAR") );
100 // verify return value
102 array[item++] = new TestCase( SECTION, "var MYVAR=true;MYVAR--", 1, eval("var MYVAR=true;MYVAR--") );
103 array[item++] = new TestCase( SECTION, "var MYVAR=false;MYVAR--", 0, eval("var MYVAR=false;MYVAR--") );
104 // verify value of variable
106 array[item++] = new TestCase( SECTION, "var MYVAR=true;MYVAR--;MYVAR", 0, eval("var MYVAR=true;MYVAR--;MYVAR") );
107 array[item++] = new TestCase( SECTION, "var MYVAR=false;MYVAR--;MYVAR", -1, eval("var MYVAR=false;MYVAR--;MYVAR") );
110 // verify return value
112 array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(true);MYVAR--", 1, eval("var MYVAR=true;MYVAR--") );
113 array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(false);MYVAR--", 0, eval("var MYVAR=false;MYVAR--") );
114 // verify value of variable
116 array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(true);MYVAR--;MYVAR", 0, eval("var MYVAR=new Boolean(true);MYVAR--;MYVAR") );
117 array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(false);MYVAR--;MYVAR", -1, eval("var MYVAR=new Boolean(false);MYVAR--;MYVAR") );
120 array[item++] = new TestCase( SECTION, "var MYVAR='string';MYVAR--", Number.NaN, eval("var MYVAR='string';MYVAR--") );
121 array[item++] = new TestCase( SECTION, "var MYVAR='12345';MYVAR--", 12345, eval("var MYVAR='12345';MYVAR--") );
122 array[item++] = new TestCase( SECTION, "var MYVAR='-12345';MYVAR--", -12345, eval("var MYVAR='-12345';MYVAR--") );
123 array[item++] = new TestCase( SECTION, "var MYVAR='0Xf';MYVAR--", 15, eval("var MYVAR='0Xf';MYVAR--") );
124 array[item++] = new TestCase( SECTION, "var MYVAR='077';MYVAR--", 77, eval("var MYVAR='077';MYVAR--") );
125 array[item++] = new TestCase( SECTION, "var MYVAR=''; MYVAR--", 0, eval("var MYVAR='';MYVAR--") );
127 // verify value of variable
129 array[item++] = new TestCase( SECTION, "var MYVAR='string';MYVAR--;MYVAR", Number.NaN, eval("var MYVAR='string';MYVAR--;MYVAR") );
130 array[item++] = new TestCase( SECTION, "var MYVAR='12345';MYVAR--;MYVAR", 12344, eval("var MYVAR='12345';MYVAR--;MYVAR") );
131 array[item++] = new TestCase( SECTION, "var MYVAR='-12345';MYVAR--;MYVAR", -12346, eval("var MYVAR='-12345';MYVAR--;MYVAR") );
132 array[item++] = new TestCase( SECTION, "var MYVAR='0xf';MYVAR--;MYVAR", 14, eval("var MYVAR='0xf';MYVAR--;MYVAR") );
133 array[item++] = new TestCase( SECTION, "var MYVAR='077';MYVAR--;MYVAR", 76, eval("var MYVAR='077';MYVAR--;MYVAR") );
134 array[item++] = new TestCase( SECTION, "var MYVAR='';MYVAR--;MYVAR", -1, eval("var MYVAR='';MYVAR--;MYVAR") );
137 array[item++] = new TestCase( SECTION, "var MYVAR=new String('string');MYVAR--", Number.NaN, eval("var MYVAR=new String('string');MYVAR--") );
138 array[item++] = new TestCase( SECTION, "var MYVAR=new String('12345');MYVAR--", 12345, eval("var MYVAR=new String('12345');MYVAR--") );
139 array[item++] = new TestCase( SECTION, "var MYVAR=new String('-12345');MYVAR--", -12345, eval("var MYVAR=new String('-12345');MYVAR--") );
140 array[item++] = new TestCase( SECTION, "var MYVAR=new String('0Xf');MYVAR--", 15, eval("var MYVAR=new String('0Xf');MYVAR--") );
141 array[item++] = new TestCase( SECTION, "var MYVAR=new String('077');MYVAR--", 77, eval("var MYVAR=new String('077');MYVAR--") );
142 array[item++] = new TestCase( SECTION, "var MYVAR=new String(''); MYVAR--", 0, eval("var MYVAR=new String('');MYVAR--") );
144 // verify value of variable
146 array[item++] = new TestCase( SECTION, "var MYVAR=new String('string');MYVAR--;MYVAR", Number.NaN, eval("var MYVAR=new String('string');MYVAR--;MYVAR") );
147 array[item++] = new TestCase( SECTION, "var MYVAR=new String('12345');MYVAR--;MYVAR", 12344, eval("var MYVAR=new String('12345');MYVAR--;MYVAR") );
148 array[item++] = new TestCase( SECTION, "var MYVAR=new String('-12345');MYVAR--;MYVAR", -12346, eval("var MYVAR=new String('-12345');MYVAR--;MYVAR") );
149 array[item++] = new TestCase( SECTION, "var MYVAR=new String('0xf');MYVAR--;MYVAR", 14, eval("var MYVAR=new String('0xf');MYVAR--;MYVAR") );
150 array[item++] = new TestCase( SECTION, "var MYVAR=new String('077');MYVAR--;MYVAR", 76, eval("var MYVAR=new String('077');MYVAR--;MYVAR") );
151 array[item++] = new TestCase( SECTION, "var MYVAR=new String('');MYVAR--;MYVAR", -1, eval("var MYVAR=new String('');MYVAR--;MYVAR") );