/*
    * 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.
   */
  package org.apache.commons.math4.legacy.exception;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * Tests for {@link NotFiniteNumberException}.
   */
  public final class NotFiniteNumberExceptionTest {
      @Test
      public void testCheckSingle() {
          try {
              NotFiniteNumberException.check(Double.POSITIVE_INFINITY);
              Assert.fail("an exception should have been thrown");
          } catch (NotFiniteNumberException e) {
              // Expected
          }
          try {
              NotFiniteNumberException.check(Double.NEGATIVE_INFINITY);
              Assert.fail("an exception should have been thrown");
          } catch (NotFiniteNumberException e) {
              // Expected
          }
          try {
              NotFiniteNumberException.check(Double.NaN);
              Assert.fail("an exception should have been thrown");
          } catch (NotFiniteNumberException e) {
              // Expected
          }
      }
  
      @Test
      public void testCheckArray() {
          try {
              NotFiniteNumberException.check(new double[] {0, -1, Double.POSITIVE_INFINITY, -2, 3});
              Assert.fail("an exception should have been thrown");
          } catch (NotFiniteNumberException e) {
              // Expected
          }
          try {
              NotFiniteNumberException.check(new double[] {1, Double.NEGATIVE_INFINITY, -2, 3});
              Assert.fail("an exception should have been thrown");
          } catch (NotFiniteNumberException e) {
              // Expected
          }
          try {
              NotFiniteNumberException.check(new double[] {4, 3, -1, Double.NaN, -2, 1});
              Assert.fail("an exception should have been thrown");
          } catch (NotFiniteNumberException e) {
              // Expected
          }
      }
  }