package org.apidesign.stateful.api;

import junit.framework.TestCase;

import org.apidesign.stateful.api.ProgressStateless.InProgress;

public class ProgressTest extends TestCase {

    public ProgressTest(String testName) {

        super(testName);

    }

    public void testProgressStatefulWithoutStart() {

        try {

            // BEGIN: progress.wrong.order

            ProgressStateful p = ProgressStateful.create("WrongOrder");

            p.progress(10);

            p.finish();

            // END: progress.wrong.order

            fail("Calling progress without start yields an exception!?");

        } catch (IllegalStateException ex) {

            // OK

        }

    }

    public void testProgressStatelessNeedsStart() {

        ProgressStateless p = ProgressStateless.create("GoodOrder");

        InProgress progress = p.start(10);

        // without calling start(), there is no way to call progress() method

        progress.progress(10);

        progress.finish();

    }

}