dowhile-006.js   [plain text]

/**
 *  File Name:          dowhile-006
 *  ECMA Section:
 *  Description:        do...while statements
 *
 *  A general do...while test.
 *
 *  Author:             christine@netscape.com
 *  Date:               26 August 1998
 */
    var SECTION = "dowhile-006";
    var VERSION = "ECMA_2";
    var TITLE   = "do...while";

    startTest();
    writeHeaderToLog( SECTION + " "+ TITLE);

    var tc = 0;
    var testcases = new Array();

    DoWhile( new DoWhileObject( false, false, 10 ) );
    DoWhile( new DoWhileObject( true, false, 2 ) );
    DoWhile( new DoWhileObject( false, true, 3 ) );
    DoWhile( new DoWhileObject( true, true, 4 ) );

    test();

function looping( object ) {
    object.iterations--;

    if ( object.iterations <= 0 ) {
        return false;
    } else {
        return true;
    }
}
function DoWhileObject( breakOut, breakIn, iterations, loops ) {
    this.iterations = iterations;
    this.loops = loops;
    this.breakOut = breakOut;
    this.breakIn  = breakIn;
    this.looping  = looping;
}
function DoWhile( object ) {
    var result1 = false;
    var result2 = false;

    outie: {
        innie: {
            do {
                if ( object.breakOut )
                    break outie;

                if ( object.breakIn )
                    break innie;

            } while ( looping(object) );

            //  statements should be executed if:
            //  do...while exits normally
            //  do...while exits abruptly with no label

            result1 = true;

        }

        //  statements should be executed if:
        //  do...while breaks out with label "innie"
        //  do...while exits normally
        //  do...while does not break out with "outie"

        result2 = true;
    }

    testcases[tc++] = new TestCase(
        SECTION,
        "hit code after loop in inner loop",
        ( object.breakIn || object.breakOut ) ? false : true ,
        result1 );

    testcases[tc++] = new TestCase(
        SECTION,
        "hit code after loop in outer loop",
        ( object.breakOut ) ? false : true,
        result2 );
}