/* 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: christine@netscape.com 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 ); }