1 /* 2 * Copyright (c) 2007 Mockito contributors 3 * This program is made available under the terms of the MIT License. 4 */ 5 6 package org.mockito.internal.matchers; 7 8 import org.hamcrest.Description; 9 import org.mockito.ArgumentMatcher; 10 11 import java.io.Serializable; 12 13 14 public class EqualsWithDelta extends ArgumentMatcher<Number> implements Serializable { 15 private static final long serialVersionUID = 5066980489920383664L; 16 17 private final Number wanted; 18 19 private final Number delta; 20 21 public EqualsWithDelta(Number value, Number delta) { 22 this.wanted = value; 23 this.delta = delta; 24 } 25 26 public boolean matches(Object actual) { 27 Number actualNumber = (Number) actual; 28 if (wanted == null ^ actual == null) { 29 return false; 30 } 31 32 if (wanted == null && actual == null) { 33 return true; 34 } 35 36 return wanted.doubleValue() - delta.doubleValue() <= actualNumber.doubleValue() 37 && actualNumber.doubleValue() <= wanted.doubleValue() 38 + delta.doubleValue(); 39 } 40 41 public void describeTo(Description description) { 42 description.appendText("eq(" + wanted + ", " + delta + ")"); 43 } 44 } 45
