/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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
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package org.elasticsearch.common.lucene.docset;
import org.apache.lucene.search.DocIdSetIterator;
import org.apache.lucene.util.OpenBitSet;
import org.testng.annotations.Test;
import java.io.IOException;
import static org.hamcrest.MatcherAssert.*;
import static org.hamcrest.Matchers.*;
@Test
public class SlicedOpenBitSetTests {
@Test public void simpleTests() throws IOException {
int numberOfBits = 500;
SlicedOpenBitSet bitSet = new SlicedOpenBitSet(new long[OpenBitSet.bits2words(numberOfBits) + 100], OpenBitSet.bits2words(numberOfBits), 100);
bitSet.fastSet(100);
assertThat(bitSet.fastGet(100), equalTo(true));
DocIdSetIterator iterator = bitSet.iterator();
assertThat(iterator.nextDoc(), equalTo(100));
assertThat(iterator.nextDoc(), equalTo(DocIdSetIterator.NO_MORE_DOCS));
}
@Test public void testCopy() throws IOException {
int numberOfBits = 500;
OpenBitSet bitSet = new OpenBitSet(numberOfBits);
bitSet.set(100);
SlicedOpenBitSet sBitSet = new SlicedOpenBitSet(new long[OpenBitSet.bits2words(numberOfBits) + 33], 33, bitSet);
assertThat(sBitSet.get(100), equalTo(true));
}
}