ceph/src/arrow/java/vector/src/test/java/org/apache/arrow/vector/util/TestValidator.java

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one or more
   3  * contributor license agreements.  See the NOTICE file distributed with
   4  * this work for additional information regarding copyright ownership.
   5  * The ASF licenses this file to You under the Apache License, Version 2.0
   6  * (the "License"); you may not use this file except in compliance with
   7  * the License.  You may obtain a copy of the License at
   8  *
   9  *    http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 package org.apache.arrow.vector.util;
  19
  20 import static org.apache.arrow.vector.util.Validator.equalEnough;
  21 import static org.junit.Assert.assertFalse;
  22 import static org.junit.Assert.assertTrue;
  23
  24 import org.junit.Test;
  25
  26 public class TestValidator {
  27
  28   @Test
  29   public void testFloatComp() {
  30     assertTrue(equalEnough(912.4140000000002F, 912.414F));
  31     assertTrue(equalEnough(912.4140000000002D, 912.414D));
  32     assertTrue(equalEnough(912.414F, 912.4140000000002F));
  33     assertTrue(equalEnough(912.414D, 912.4140000000002D));
  34     assertFalse(equalEnough(912.414D, 912.4140001D));
  35     assertFalse(equalEnough(null, 912.414D));
  36     assertTrue(equalEnough((Float) null, null));
  37     assertTrue(equalEnough((Double) null, null));
  38     assertFalse(equalEnough(912.414D, null));
  39     assertFalse(equalEnough(Double.MAX_VALUE, Double.MIN_VALUE));
  40     assertFalse(equalEnough(Double.MIN_VALUE, Double.MAX_VALUE));
  41     assertTrue(equalEnough(Double.MAX_VALUE, Double.MAX_VALUE));
  42     assertTrue(equalEnough(Double.MIN_VALUE, Double.MIN_VALUE));
  43     assertTrue(equalEnough(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY));
  44     assertFalse(equalEnough(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY));
  45     assertTrue(equalEnough(Double.NaN, Double.NaN));
  46     assertFalse(equalEnough(1.0, Double.NaN));
  47     assertFalse(equalEnough(Float.MAX_VALUE, Float.MIN_VALUE));
  48     assertFalse(equalEnough(Float.MIN_VALUE, Float.MAX_VALUE));
  49     assertTrue(equalEnough(Float.MAX_VALUE, Float.MAX_VALUE));
  50     assertTrue(equalEnough(Float.MIN_VALUE, Float.MIN_VALUE));
  51     assertTrue(equalEnough(Float.NEGATIVE_INFINITY, Float.NEGATIVE_INFINITY));
  52     assertFalse(equalEnough(Float.NEGATIVE_INFINITY, Float.POSITIVE_INFINITY));
  53     assertTrue(equalEnough(Float.NaN, Float.NaN));
  54     assertFalse(equalEnough(1.0F, Float.NaN));
  55   }
  56 }