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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.index.fielddata;
import org.apache.lucene.index.DocValues;
import org.apache.lucene.index.NumericDocValues;
import org.apache.lucene.index.SortedNumericDocValues;
import org.apache.lucene.util.NumericUtils;
import org.elasticsearch.test.ESTestCase;
public class FieldDataTests extends ESTestCase {
public void testSortableLongBitsToDoubles() {
final double value = randomDouble();
final long valueBits = NumericUtils.doubleToSortableLong(value);
NumericDocValues values = new NumericDocValues() {
@Override
public long get(int docID) {
return valueBits;
}
};
SortedNumericDoubleValues asMultiDoubles = FieldData.sortableLongBitsToDoubles(DocValues.singleton(values, null));
NumericDoubleValues asDoubles = FieldData.unwrapSingleton(asMultiDoubles);
assertNotNull(asDoubles);
assertEquals(value, asDoubles.get(0), 0);
NumericDocValues backToLongs = DocValues.unwrapSingleton(FieldData.toSortableLongBits(asMultiDoubles));
assertSame(values, backToLongs);
SortedNumericDocValues multiValues = new SortedNumericDocValues() {
@Override
public long valueAt(int index) {
return valueBits;
}
@Override
public void setDocument(int doc) {
}
@Override
public int count() {
return 1;
}
};
asMultiDoubles = FieldData.sortableLongBitsToDoubles(multiValues);
assertEquals(value, asMultiDoubles.valueAt(0), 0);
assertSame(multiValues, FieldData.toSortableLongBits(asMultiDoubles));
}
public void testDoublesToSortableLongBits() {
final double value = randomDouble();
final long valueBits = NumericUtils.doubleToSortableLong(value);
NumericDoubleValues values = new NumericDoubleValues() {
@Override
public double get(int docID) {
return value;
}
};
SortedNumericDocValues asMultiLongs = FieldData.toSortableLongBits(FieldData.singleton(values, null));
NumericDocValues asLongs = DocValues.unwrapSingleton(asMultiLongs);
assertNotNull(asLongs);
assertEquals(valueBits, asLongs.get(0));
SortedNumericDoubleValues multiValues = new SortedNumericDoubleValues() {
@Override
public double valueAt(int index) {
return value;
}
@Override
public void setDocument(int doc) {
}
@Override
public int count() {
return 1;
}
};
asMultiLongs = FieldData.toSortableLongBits(multiValues);
assertEquals(valueBits, asMultiLongs.valueAt(0));
assertSame(multiValues, FieldData.sortableLongBitsToDoubles(asMultiLongs));
}
}
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