/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 *
 */
package org.apache.asyncweb.server.util;

import junit.framework.Assert;

import org.apache.asyncweb.server.HttpServiceFilter.NextFilter;

/**
 * A simple <code>InvocationChain</code> which counts the
 * number of invocations made
 *
 *
 */
public class MockNextFilter implements NextFilter {

    private int invokeCount;

    /**
     * Simply updates the invoke count for this chain
     */
    public void invoke() {
        ++invokeCount;
    }

    /**
     * Asserts that a specified number of invocations have
     * been made
     *
     * @param expected  The expected invocation count
     */
    public void assertInvocationCount(int expected) {
        Assert.assertEquals("Unexpected invocation count", expected,
                invokeCount);
    }

}