15.4.4.5-3.js   [plain text]

/* 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:          15.4.4.5-3.js
    ECMA Section:       Array.prototype.sort(comparefn)
    Description:

    This is a regression test for
    http://scopus/bugsplat/show_bug.cgi?id=117144

    Verify that sort is successfull, even if the sort compare function returns
    a very large negative or positive value.

    Author:             christine@netscape.com
    Date:               12 november 1997
*/


    var SECTION = "15.4.4.5-3";
    var VERSION = "ECMA_1";
    startTest();
    var TITLE   = "Array.prototype.sort(comparefn)";

    writeHeaderToLog( SECTION + " "+ TITLE);

    var testcases = new Array();
    getTestCases();
    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();

    array[array.length] = new Date( TIME_2000 * Math.PI );
    array[array.length] = new Date( TIME_2000 * 10 );
    array[array.length] = new Date( TIME_1900 + TIME_1900  );
    array[array.length] = new Date(0);
    array[array.length] = new Date( TIME_2000 );
    array[array.length] = new Date( TIME_1900 + TIME_1900 +TIME_1900 );
    array[array.length] = new Date( TIME_1900 * Math.PI );
    array[array.length] = new Date( TIME_1900 * 10 );
    array[array.length] = new Date( TIME_1900 );
    array[array.length] = new Date( TIME_2000 + TIME_2000 );
    array[array.length] = new Date( 1899, 0, 1 );
    array[array.length] = new Date( 2000, 1, 29 );
    array[array.length] = new Date( 2000, 0, 1 );
    array[array.length] = new Date( 1999, 11, 31 );

   var testarr1 = new Array()
   clone( array, testarr1 );
   testarr1.sort( comparefn1 );

   var testarr2 = new Array()
   clone( array, testarr2 );
   testarr2.sort( comparefn2 );

    testarr3 = new Array();
    clone( array, testarr3 );
    testarr3.sort( comparefn3 );

    // when there's no sort function, sort sorts by the toString value of Date.

   var testarr4 = new Array()
   clone( array, testarr4 );
   testarr4.sort();

    var realarr = new Array();
    clone( array, realarr );
    realarr.sort( realsort );

    var stringarr = new Array();
    clone( array, stringarr );
    stringarr.sort( stringsort );

    for ( var i = 0, tc = 0; i < array.length; i++, tc++) {
        testcases[tc] = new TestCase(
            SECTION,
            "testarr1["+i+"]",
            realarr[i],
            testarr1[i] );
    }

    for ( var i=0; i < array.length; i++,  tc++) {
        testcases[tc] = new TestCase(
            SECTION,
            "testarr2["+i+"]",
            realarr[i],
            testarr2[i] );
    }

    for ( var i=0; i < array.length; i++,  tc++) {
        testcases[tc] = new TestCase(
            SECTION,
            "testarr3["+i+"]",
            realarr[i],
            testarr3[i] );
    }

    for ( var i=0; i < array.length; i++,  tc++) {
        testcases[tc] = new TestCase(
            SECTION,
            "testarr4["+i+"]",
            stringarr[i].toString(),
            testarr4[i].toString() );
    }

}
function comparefn1( x, y ) {
    return x - y;
}
function comparefn2( x, y ) {
    return x.valueOf() - y.valueOf();
}
function realsort( x, y ) {
    return ( x.valueOf() == y.valueOf() ? 0 : ( x.valueOf() > y.valueOf() ? 1 : -1 ) );
}
function comparefn3( x, y ) {
  return ( +x == +y ? 0 : ( x > y ? 1 : -1 ) );
}
function clone( source, target ) {
    for (i = 0; i < source.length; i++ ) {
        target[i] = source[i];
    }
}
function stringsort( x, y ) {
    for ( var i = 0; i < x.toString().length; i++ ) {
        var d = (x.toString()).charCodeAt(i) - (y.toString()).charCodeAt(i);
        if ( d > 0 ) {
            return 1;
        } else {
            if ( d < 0 ) {
                return -1;
            } else {
                continue;
            }
        }

        var d = x.length - y.length;

        if  ( d > 0 ) {
            return 1;
        } else {
            if ( d < 0 ) {
                return -1;
            }
        }
   }
    return 0;
}