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11.4.5.js
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11.4.5.js
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/* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code, released March
* 31, 1998.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
*/
/**
File Name: 11.4.5.js
ECMA Section: 11.4.5 Prefix decrement operator
Description:
The production UnaryExpression : -- UnaryExpression is evaluated as follows:
1.Evaluate UnaryExpression.
2.Call GetValue(Result(1)).
3.Call ToNumber(Result(2)).
4.Subtract the value 1 from Result(3), using the same rules as for the - operator (section 11.6.3).
5.Call PutValue(Result(1), Result(4)).
1.Return Result(4).
Author: [email protected]
Date: 12 november 1997
*/
var SECTION = "11.4.5";
var VERSION = "ECMA_1";
startTest();
var testcases = getTestCases();
writeHeaderToLog( SECTION + " Prefix decrement operator");
test();
function test() {
for ( tc=0; tc < testcases.length; tc++ ) {
testcases[tc].passed = writeTestCaseResult(
testcases[tc].expect,
testcases[tc].actual,
testcases[tc].description +" = "+
testcases[tc].actual );
testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
}
stopTest();
return ( testcases );
}
function getTestCases() {
var array = new Array();
var item = 0;
//
array[item++] = new TestCase( SECTION, "var MYVAR; --MYVAR", NaN, eval("var MYVAR; --MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR= void 0; --MYVAR", NaN, eval("var MYVAR=void 0; --MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=null; --MYVAR", -1, eval("var MYVAR=null; --MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=true; --MYVAR", 0, eval("var MYVAR=true; --MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=false; --MYVAR", -1, eval("var MYVAR=false; --MYVAR") );
// special numbers
// verify return value
array[item++] = new TestCase( SECTION, "var MYVAR=Number.POSITIVE_INFINITY;--MYVAR", Number.POSITIVE_INFINITY, eval("var MYVAR=Number.POSITIVE_INFINITY;--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=Number.NEGATIVE_INFINITY;--MYVAR", Number.NEGATIVE_INFINITY, eval("var MYVAR=Number.NEGATIVE_INFINITY;--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=Number.NaN;--MYVAR", Number.NaN, eval("var MYVAR=Number.NaN;--MYVAR") );
// verify value of variable
array[item++] = new TestCase( SECTION, "var MYVAR=Number.POSITIVE_INFINITY;--MYVAR;MYVAR", Number.POSITIVE_INFINITY, eval("var MYVAR=Number.POSITIVE_INFINITY;--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=Number.NEGATIVE_INFINITY;--MYVAR;MYVAR", Number.NEGATIVE_INFINITY, eval("var MYVAR=Number.NEGATIVE_INFINITY;--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=Number.NaN;--MYVAR;MYVAR", Number.NaN, eval("var MYVAR=Number.NaN;--MYVAR;MYVAR") );
// number primitives
array[item++] = new TestCase( SECTION, "var MYVAR=0;--MYVAR", -1, eval("var MYVAR=0;--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=0.2345;--MYVAR", -0.7655, eval("var MYVAR=0.2345;--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=-0.2345;--MYVAR", -1.2345, eval("var MYVAR=-0.2345;--MYVAR") );
// verify value of variable
array[item++] = new TestCase( SECTION, "var MYVAR=0;--MYVAR;MYVAR", -1, eval("var MYVAR=0;--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=0.2345;--MYVAR;MYVAR", -0.7655, eval("var MYVAR=0.2345;--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=-0.2345;--MYVAR;MYVAR", -1.2345, eval("var MYVAR=-0.2345;--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=0;--MYVAR;MYVAR", -1, eval("var MYVAR=0;--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=0;--MYVAR;MYVAR", -1, eval("var MYVAR=0;--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=0;--MYVAR;MYVAR", -1, eval("var MYVAR=0;--MYVAR;MYVAR") );
// boolean values
// verify return value
array[item++] = new TestCase( SECTION, "var MYVAR=true;--MYVAR", 0, eval("var MYVAR=true;--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=false;--MYVAR", -1, eval("var MYVAR=false;--MYVAR") );
// verify value of variable
array[item++] = new TestCase( SECTION, "var MYVAR=true;--MYVAR;MYVAR", 0, eval("var MYVAR=true;--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=false;--MYVAR;MYVAR", -1, eval("var MYVAR=false;--MYVAR;MYVAR") );
// boolean objects
// verify return value
array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(true);--MYVAR", 0, eval("var MYVAR=true;--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(false);--MYVAR", -1, eval("var MYVAR=false;--MYVAR") );
// verify value of variable
array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(true);--MYVAR;MYVAR", 0, eval("var MYVAR=new Boolean(true);--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(false);--MYVAR;MYVAR", -1, eval("var MYVAR=new Boolean(false);--MYVAR;MYVAR") );
// string primitives
array[item++] = new TestCase( SECTION, "var MYVAR='string';--MYVAR", Number.NaN, eval("var MYVAR='string';--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR='12345';--MYVAR", 12344, eval("var MYVAR='12345';--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR='-12345';--MYVAR", -12346, eval("var MYVAR='-12345';--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR='0Xf';--MYVAR", 14, eval("var MYVAR='0Xf';--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR='077';--MYVAR", 76, eval("var MYVAR='077';--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=''; --MYVAR", -1, eval("var MYVAR='';--MYVAR") );
// verify value of variable
array[item++] = new TestCase( SECTION, "var MYVAR='string';--MYVAR;MYVAR", Number.NaN, eval("var MYVAR='string';--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR='12345';--MYVAR;MYVAR", 12344, eval("var MYVAR='12345';--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR='-12345';--MYVAR;MYVAR", -12346, eval("var MYVAR='-12345';--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR='0xf';--MYVAR;MYVAR", 14, eval("var MYVAR='0xf';--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR='077';--MYVAR;MYVAR", 76, eval("var MYVAR='077';--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR='';--MYVAR;MYVAR", -1, eval("var MYVAR='';--MYVAR;MYVAR") );
// string objects
array[item++] = new TestCase( SECTION, "var MYVAR=new String('string');--MYVAR", Number.NaN, eval("var MYVAR=new String('string');--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new String('12345');--MYVAR", 12344, eval("var MYVAR=new String('12345');--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new String('-12345');--MYVAR", -12346, eval("var MYVAR=new String('-12345');--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new String('0Xf');--MYVAR", 14, eval("var MYVAR=new String('0Xf');--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new String('077');--MYVAR", 76, eval("var MYVAR=new String('077');--MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new String(''); --MYVAR", -1, eval("var MYVAR=new String('');--MYVAR") );
// verify value of variable
array[item++] = new TestCase( SECTION, "var MYVAR=new String('string');--MYVAR;MYVAR", Number.NaN, eval("var MYVAR=new String('string');--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new String('12345');--MYVAR;MYVAR", 12344, eval("var MYVAR=new String('12345');--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new String('-12345');--MYVAR;MYVAR", -12346, eval("var MYVAR=new String('-12345');--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new String('0xf');--MYVAR;MYVAR", 14, eval("var MYVAR=new String('0xf');--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new String('077');--MYVAR;MYVAR", 76, eval("var MYVAR=new String('077');--MYVAR;MYVAR") );
array[item++] = new TestCase( SECTION, "var MYVAR=new String('');--MYVAR;MYVAR", -1, eval("var MYVAR=new String('');--MYVAR;MYVAR") );
return ( array );
}