islessthan.java

不管是测试驱动开发或者是其它的开发模式

/*  Copyright (c) 2000-2004 jMock.org
 */
package org.jmock.core.constraint;

import org.jmock.core.Constraint;


/**
 * Is the value less than another {@link java.lang.Comparable} value?
 */
public class IsLessThan implements Constraint
{
    private Comparable upperLimit;

    public IsLessThan( Comparable upperLimit ) {
        this.upperLimit = upperLimit;
    }

    public boolean eval( Object arg ) {
        return upperLimit.compareTo(arg) > 0;
    }

    public StringBuffer describeTo( StringBuffer buffer ) {
        return buffer.append("a value less than <")
                .append(upperLimit)
                .append(">");
    }
}