JSTests/mozilla/ecma_2/Statements/try-009.js

/**
 *  File Name:          try-009.js
 *  ECMA Section:
 *  Description:        The try statement
 *
 *  This test has a try block within a while block.  Verify that an exception
 *  breaks out of the while.  I don't really know why this is an interesting
 *  test case but Mike Shaver had two of these so what the hey.
 *
 *  Author:             christine@netscape.com
 *  Date:               11 August 1998
 */
    var SECTION = "try-009";
    var VERSION = "ECMA_2";
    var TITLE   = "The try statement: try in a while block";

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

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

    var EXCEPTION_STRING = "Exception thrown: ";
    var NO_EXCEPTION_STRING = "No exception thrown: ";


    TryInWhile( new TryObject( "hello", ThrowException, true ) );
    TryInWhile( new TryObject( "aloha", NoException, false ));

    test();

    function TryObject( value, throwFunction, result ) {
        this.value = value;
        this.thrower = throwFunction;
        this.result = result;
    }
    function ThrowException() {
        throw EXCEPTION_STRING + this.value;
    }
    function NoException() {
        return NO_EXCEPTION_STRING + this.value;
    }
    function TryInWhile( object ) {
        result = null;
        while ( true ) {
            try {
                object.thrower();
                result = NO_EXCEPTION_STRING + object.value;
                break;
            } catch ( e ) {
                result = e;
                break;
            }
        }

        testcases[tc++] = new TestCase(
            SECTION,
            "( "+ object  +".thrower() )",
            (object.result
            ? EXCEPTION_STRING + object.value :
            NO_EXCEPTION_STRING + object.value),
            result );
    }