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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically
embedded into Java applications to provide scripting to end users.
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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: [email protected]
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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