dowhile-002.js   [plain text]

/**
 *  File Name:          dowhile-002
 *  ECMA Section:
 *  Description:        do...while statements
 *
 *  Verify that code after a labeled break is not executed.  Verify that
 *  a labeled break breaks you out of the whole labeled block, and not
 *  just the current iteration statement.
 *
 *  Author:             christine@netscape.com
 *  Date:               11 August 1998
 */
    var SECTION = "dowhile-002";
    var VERSION = "ECMA_2";
    var TITLE   = "do...while with a labeled continue statement";

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

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

    LabeledContinue( 0, 1 );
    LabeledContinue( 1, 1 );
    LabeledContinue( -1, 1 );
    LabeledContinue( 5, 5 );

    test();

// The labeled statment contains statements after the labeled break.
// Verify that the statements after the break are not executed.

function LabeledContinue( limit, expect ) {
    i = 0;
    result1 = "pass";
    result2 = "pass";

    woohoo: {
        do {
            i++;
            if ( ! (i < limit) ) {
                break woohoo;
                result1 = "fail: evaluated statement after a labeled break";
            }
        } while ( true );

        result2 = "failed:  broke out of loop, but not out of labeled block";
    }

    testcases[tc++] = new TestCase(
        SECTION,
        "do while ( " + i +" < " + limit +" )",
        expect,
        i );

    testcases[tc++] = new TestCase(
        SECTION,
        "breaking out of a do... while loop",
        "pass",
        result1 );


    testcases[tc++] = new TestCase(
        SECTION,
        "breaking out of a labeled do...while loop",
        "pass",
        result2 );
}