package org.apache.lucene.util;

/**
 * Copyright 2004 The Apache Software Foundation
 *
 * Licensed 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.
 */

import junit.framework.TestCase;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;

/**
 * TestBitVector tests the BitVector, obviously.
 *
 * @author "Peter Mularien" 
 * @version $Id: TestBitVector.java,v 1.3 2004/03/29 22:48:07 cutting Exp $
 */
public class TestBitVector extends TestCase
{
    public TestBitVector(String s) {
        super(s);
    }

    /**
     * Test the default constructor on BitVectors of various sizes.
     * @throws Exception
     */
    public void testConstructSize() throws Exception {
        doTestConstructOfSize(8);
        doTestConstructOfSize(20);
        doTestConstructOfSize(100);
        doTestConstructOfSize(1000);
    }

    private void doTestConstructOfSize(int n) {
        BitVector bv = new BitVector(n);
        assertEquals(n,bv.size());
    }

    /**
     * Test the get() and set() methods on BitVectors of various sizes.
     * @throws Exception
     */
    public void testGetSet() throws Exception {
        doTestGetSetVectorOfSize(8);
        doTestGetSetVectorOfSize(20);
        doTestGetSetVectorOfSize(100);
        doTestGetSetVectorOfSize(1000);
    }

    private void doTestGetSetVectorOfSize(int n) {
        BitVector bv = new BitVector(n);
        for(int i=0;i