defaultlongnumericgeneratortests.java

来自「CAS在Tomcat中实现单点登录项目,单点登录（Single Sign On 」· Java 代码 · 共 48 行

/*
 * Copyright 2004 The JA-SIG Collaborative. All rights reserved. See license
 * distributed with this file and available online at
 * http://www.ja-sig.org/products/cas/overview/license/
 */
package org.jasig.cas.util;

import org.jasig.cas.util.DefaultLongNumericGenerator;

import junit.framework.TestCase;

/**
 * @author Scott Battaglia
 * @version $Revision: 39590 $ $Date: 2007-02-20 15:51:14 -0500 (Tue, 20 Feb 2007) $
 * @since 3.0
 */
public class DefaultLongNumericGeneratorTests extends TestCase {

    public void testWrap() {
        assertEquals(Long.MAX_VALUE, new DefaultLongNumericGenerator(Long.MAX_VALUE)
            .getNextLong());
    }

    public void testInitialValue() {
        assertEquals(10L, new DefaultLongNumericGenerator(10L)
            .getNextLong());
    }

    public void testIncrementWithNoWrap() {
        assertEquals(0, new DefaultLongNumericGenerator().getNextLong());
    }
    
    public void testIncrementWithNoWrap2() {
        final DefaultLongNumericGenerator g = new DefaultLongNumericGenerator();
        g.getNextLong();
        assertEquals(1, g.getNextLong());
    }

    public void testMinimumSize() {
        assertEquals(1, new DefaultLongNumericGenerator().minLength());
    }

    public void testMaximumLength() {
        assertEquals(Long.toString(Long.MAX_VALUE).length(),
            new DefaultLongNumericGenerator().maxLength());
    }
}