+++ /dev/null
-package org.apache.lucene.search.function;
-
-/**
- * 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.
- */
-
-import org.apache.lucene.util.LuceneTestCase;
-import org.junit.Test;
-
-/**
- * DocValues TestCase
- */
-public class TestDocValues extends LuceneTestCase {
-
- @Test
- public void testGetMinValue() {
- float[] innerArray = new float[] { 1.0f, 2.0f, -1.0f, 100.0f };
- DocValuesTestImpl docValues = new DocValuesTestImpl(innerArray);
- assertEquals("-1.0f is the min value in the source array", -1.0f, docValues
- .getMinValue(), 0);
-
- // test with without values - NaN
- innerArray = new float[] {};
- docValues = new DocValuesTestImpl(innerArray);
- assertTrue("max is NaN - no values in inner array", Float.isNaN(docValues
- .getMinValue()));
- }
- @Test
- public void testGetMaxValue() {
- float[] innerArray = new float[] { 1.0f, 2.0f, -1.0f, 10.0f };
- DocValuesTestImpl docValues = new DocValuesTestImpl(innerArray);
- assertEquals("10.0f is the max value in the source array", 10.0f, docValues
- .getMaxValue(), 0);
-
- innerArray = new float[] { -3.0f, -1.0f, -100.0f };
- docValues = new DocValuesTestImpl(innerArray);
- assertEquals("-1.0f is the max value in the source array", -1.0f, docValues
- .getMaxValue(), 0);
-
- innerArray = new float[] { -3.0f, -1.0f, 100.0f, Float.MAX_VALUE,
- Float.MAX_VALUE - 1 };
- docValues = new DocValuesTestImpl(innerArray);
- assertEquals(Float.MAX_VALUE + " is the max value in the source array",
- Float.MAX_VALUE, docValues.getMaxValue(), 0);
-
- // test with without values - NaN
- innerArray = new float[] {};
- docValues = new DocValuesTestImpl(innerArray);
- assertTrue("max is NaN - no values in inner array", Float.isNaN(docValues
- .getMaxValue()));
- }
-
- @Test
- public void testGetAverageValue() {
- float[] innerArray = new float[] { 1.0f, 1.0f, 1.0f, 1.0f };
- DocValuesTestImpl docValues = new DocValuesTestImpl(innerArray);
- assertEquals("the average is 1.0f", 1.0f, docValues.getAverageValue(), 0);
-
- innerArray = new float[] { 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f };
- docValues = new DocValuesTestImpl(innerArray);
- assertEquals("the average is 3.5f", 3.5f, docValues.getAverageValue(), 0);
-
- // test with negative values
- innerArray = new float[] { -1.0f, 2.0f };
- docValues = new DocValuesTestImpl(innerArray);
- assertEquals("the average is 0.5f", 0.5f, docValues.getAverageValue(), 0);
-
- // test with without values - NaN
- innerArray = new float[] {};
- docValues = new DocValuesTestImpl(innerArray);
- assertTrue("the average is NaN - no values in inner array", Float
- .isNaN(docValues.getAverageValue()));
- }
-
- static class DocValuesTestImpl extends DocValues {
- float[] innerArray;
-
- DocValuesTestImpl(float[] innerArray) {
- this.innerArray = innerArray;
- }
-
- /**
- * @see org.apache.lucene.search.function.DocValues#floatVal(int)
- */
- @Override
- public float floatVal(int doc) {
- return innerArray[doc];
- }
-
- /**
- * @see org.apache.lucene.search.function.DocValues#toString(int)
- */
- @Override
- public String toString(int doc) {
- return Integer.toString(doc);
- }
-
- }
-
-}