/* 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: 11.3.2.js ECMA Section: 11.3.2 Postfix decrement operator Description: 11.3.2 Postfix decrement operator The production MemberExpression : MemberExpression -- is evaluated as follows: 1. Evaluate MemberExpression. 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 0). 5. Call PutValue(Result(1), Result(4)). 6. Return Result(3). Author: christine@netscape.com Date: 12 november 1997 */ var SECTION = "11.3.2"; var VERSION = "ECMA_1"; startTest(); var testcases = getTestCases(); writeHeaderToLog( SECTION + " Postfix 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; // special numbers 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--", 0, eval("var MYVAR=null; MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=true; MYVAR--", 1, eval("var MYVAR=true; MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=false; MYVAR--", 0, eval("var MYVAR=false; MYVAR--") ); // 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--", 0, eval("var MYVAR=0;MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=0.2345;MYVAR--", 0.2345, eval("var MYVAR=0.2345;MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=-0.2345;MYVAR--", -0.2345, 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--", 1, eval("var MYVAR=true;MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=false;MYVAR--", 0, 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--", 1, eval("var MYVAR=true;MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(false);MYVAR--", 0, 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--", 12345, eval("var MYVAR='12345';MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR='-12345';MYVAR--", -12345, eval("var MYVAR='-12345';MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR='0Xf';MYVAR--", 15, eval("var MYVAR='0Xf';MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR='077';MYVAR--", 77, eval("var MYVAR='077';MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=''; MYVAR--", 0, 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--", 12345, eval("var MYVAR=new String('12345');MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=new String('-12345');MYVAR--", -12345, eval("var MYVAR=new String('-12345');MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=new String('0Xf');MYVAR--", 15, eval("var MYVAR=new String('0Xf');MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=new String('077');MYVAR--", 77, eval("var MYVAR=new String('077');MYVAR--") ); array[item++] = new TestCase( SECTION, "var MYVAR=new String(''); MYVAR--", 0, 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 ); }