UUIDTest.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.util;

import org.junit.Assert;
import org.junit.Test;

/**
 * Test of UUID generator
 */
public class UUIDTest {

    @Test
    public void testUUIDLength() {
        String uuid = UUID.uuid(15);
        Assert.assertEquals(15, uuid.length());
    }

    @Test
    public void testUUIDRadix() {
        String uuid1 = UUID.uuid(6,2);
        Assert.assertTrue(uuid1.matches("[0-1]{6}"));
        String uuid2 = UUID.uuid(8,10);
        Assert.assertTrue(uuid2.matches("[0-9]{8}"));
    }

    @Test
    public void testUUIDRFC4122() {
        String uuid = UUID.uuid();
        Assert.assertTrue(uuid.matches("^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$"));
    }

}