1 /*
   2  * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package test.com.sun.javafx.test;
  27 
  28 public class DoubleComparator extends ValueComparator {
  29 
  30     private double delta;
  31 
  32     public DoubleComparator(double delta) {
  33         this.delta = delta;
  34     }
  35 
  36     @Override
  37     public boolean equals(Object expected, Object actual) {
  38         if (expected == actual) {
  39             return true;
  40         }
  41 
  42         if (!(expected instanceof Number)) {
  43             return false;
  44         }
  45         if (!(actual instanceof Number)) {
  46             return false;
  47         }
  48 
  49         double bExpectend = ((Number) expected).doubleValue();
  50         double bActual = ((Number) actual).doubleValue();
  51 
  52         if (Math.abs(bExpectend - bActual) > delta) {
  53             return false;
  54         }
  55 
  56         return true;
  57     }
  58 }