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gecko/js/tests/ecma/Expressions/11.4.4.js

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
gTestfile = '11.4.4.js';
/**
File Name: 11.4.4.js
ECMA Section: 11.4.4 Prefix increment operator
Description:
The production UnaryExpression : ++ UnaryExpression is evaluated as
follows:
1. Evaluate UnaryExpression.
2. Call GetValue(Result(1)).
3. Call ToNumber(Result(2)).
4. Add the value 1 to Result(3), using the same rules as for the +
operator (section 11.6.3).
5. Call PutValue(Result(1), Result(4)).
6. Return Result(4).
Author: christine@netscape.com
Date: 12 november 1997
*/
var SECTION = "11.4.4";
var VERSION = "ECMA_1";
startTest();
writeHeaderToLog( SECTION + " Prefix increment operator");
// special case: var is not defined
new TestCase( SECTION, "var MYVAR; ++MYVAR", NaN, eval("var MYVAR; ++MYVAR") );
new TestCase( SECTION, "var MYVAR= void 0; ++MYVAR", NaN, eval("var MYVAR=void 0; ++MYVAR") );
new TestCase( SECTION, "var MYVAR=null; ++MYVAR", 1, eval("var MYVAR=null; ++MYVAR") );
new TestCase( SECTION, "var MYVAR=true; ++MYVAR", 2, eval("var MYVAR=true; ++MYVAR") );
new TestCase( SECTION, "var MYVAR=false; ++MYVAR", 1, eval("var MYVAR=false; ++MYVAR") );
// special numbers
// verify return value
new TestCase( SECTION, "var MYVAR=Number.POSITIVE_INFINITY;++MYVAR", Number.POSITIVE_INFINITY, eval("var MYVAR=Number.POSITIVE_INFINITY;++MYVAR") );
new TestCase( SECTION, "var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR", Number.NEGATIVE_INFINITY, eval("var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR") );
new TestCase( SECTION, "var MYVAR=Number.NaN;++MYVAR", Number.NaN, eval("var MYVAR=Number.NaN;++MYVAR") );
// verify value of variable
new TestCase( SECTION, "var MYVAR=Number.POSITIVE_INFINITY;++MYVAR;MYVAR", Number.POSITIVE_INFINITY, eval("var MYVAR=Number.POSITIVE_INFINITY;++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR;MYVAR", Number.NEGATIVE_INFINITY, eval("var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=Number.NaN;++MYVAR;MYVAR", Number.NaN, eval("var MYVAR=Number.NaN;++MYVAR;MYVAR") );
// number primitives
new TestCase( SECTION, "var MYVAR=0;++MYVAR", 1, eval("var MYVAR=0;++MYVAR") );
new TestCase( SECTION, "var MYVAR=0.2345;++MYVAR", 1.2345, eval("var MYVAR=0.2345;++MYVAR") );
new TestCase( SECTION, "var MYVAR=-0.2345;++MYVAR", 0.7655, eval("var MYVAR=-0.2345;++MYVAR") );
// verify value of variable
new TestCase( SECTION, "var MYVAR=0;++MYVAR;MYVAR", 1, eval("var MYVAR=0;++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=0.2345;++MYVAR;MYVAR", 1.2345, eval("var MYVAR=0.2345;++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=-0.2345;++MYVAR;MYVAR", 0.7655, eval("var MYVAR=-0.2345;++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=0;++MYVAR;MYVAR", 1, eval("var MYVAR=0;++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=0;++MYVAR;MYVAR", 1, eval("var MYVAR=0;++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=0;++MYVAR;MYVAR", 1, eval("var MYVAR=0;++MYVAR;MYVAR") );
// boolean values
// verify return value
new TestCase( SECTION, "var MYVAR=true;++MYVAR", 2, eval("var MYVAR=true;++MYVAR") );
new TestCase( SECTION, "var MYVAR=false;++MYVAR", 1, eval("var MYVAR=false;++MYVAR") );
// verify value of variable
new TestCase( SECTION, "var MYVAR=true;++MYVAR;MYVAR", 2, eval("var MYVAR=true;++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=false;++MYVAR;MYVAR", 1, eval("var MYVAR=false;++MYVAR;MYVAR") );
// boolean objects
// verify return value
new TestCase( SECTION, "var MYVAR=new Boolean(true);++MYVAR", 2, eval("var MYVAR=true;++MYVAR") );
new TestCase( SECTION, "var MYVAR=new Boolean(false);++MYVAR", 1, eval("var MYVAR=false;++MYVAR") );
// verify value of variable
new TestCase( SECTION, "var MYVAR=new Boolean(true);++MYVAR;MYVAR", 2, eval("var MYVAR=new Boolean(true);++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=new Boolean(false);++MYVAR;MYVAR", 1, eval("var MYVAR=new Boolean(false);++MYVAR;MYVAR") );
// string primitives
new TestCase( SECTION, "var MYVAR='string';++MYVAR", Number.NaN, eval("var MYVAR='string';++MYVAR") );
new TestCase( SECTION, "var MYVAR='12345';++MYVAR", 12346, eval("var MYVAR='12345';++MYVAR") );
new TestCase( SECTION, "var MYVAR='-12345';++MYVAR", -12344, eval("var MYVAR='-12345';++MYVAR") );
new TestCase( SECTION, "var MYVAR='0Xf';++MYVAR", 16, eval("var MYVAR='0Xf';++MYVAR") );
new TestCase( SECTION, "var MYVAR='077';++MYVAR", 78, eval("var MYVAR='077';++MYVAR") );
new TestCase( SECTION, "var MYVAR=''; ++MYVAR", 1, eval("var MYVAR='';++MYVAR") );
// verify value of variable
new TestCase( SECTION, "var MYVAR='string';++MYVAR;MYVAR", Number.NaN, eval("var MYVAR='string';++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR='12345';++MYVAR;MYVAR", 12346, eval("var MYVAR='12345';++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR='-12345';++MYVAR;MYVAR", -12344, eval("var MYVAR='-12345';++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR='0xf';++MYVAR;MYVAR", 16, eval("var MYVAR='0xf';++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR='077';++MYVAR;MYVAR", 78, eval("var MYVAR='077';++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR='';++MYVAR;MYVAR", 1, eval("var MYVAR='';++MYVAR;MYVAR") );
// string objects
new TestCase( SECTION, "var MYVAR=new String('string');++MYVAR", Number.NaN, eval("var MYVAR=new String('string');++MYVAR") );
new TestCase( SECTION, "var MYVAR=new String('12345');++MYVAR", 12346, eval("var MYVAR=new String('12345');++MYVAR") );
new TestCase( SECTION, "var MYVAR=new String('-12345');++MYVAR", -12344, eval("var MYVAR=new String('-12345');++MYVAR") );
new TestCase( SECTION, "var MYVAR=new String('0Xf');++MYVAR", 16, eval("var MYVAR=new String('0Xf');++MYVAR") );
new TestCase( SECTION, "var MYVAR=new String('077');++MYVAR", 78, eval("var MYVAR=new String('077');++MYVAR") );
new TestCase( SECTION, "var MYVAR=new String(''); ++MYVAR", 1, eval("var MYVAR=new String('');++MYVAR") );
// verify value of variable
new TestCase( SECTION, "var MYVAR=new String('string');++MYVAR;MYVAR", Number.NaN, eval("var MYVAR=new String('string');++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=new String('12345');++MYVAR;MYVAR", 12346, eval("var MYVAR=new String('12345');++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=new String('-12345');++MYVAR;MYVAR", -12344, eval("var MYVAR=new String('-12345');++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=new String('0xf');++MYVAR;MYVAR", 16, eval("var MYVAR=new String('0xf');++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=new String('077');++MYVAR;MYVAR", 78, eval("var MYVAR=new String('077');++MYVAR;MYVAR") );
new TestCase( SECTION, "var MYVAR=new String('');++MYVAR;MYVAR", 1, eval("var MYVAR=new String('');++MYVAR;MYVAR") );
test();
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