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.mockito.ArgumentMatcher; 9 10 import java.io.Serializable; 11 12 public class EqualsWithDelta implements ArgumentMatcher<Number>, Serializable { 13 14 private final Number wanted; 15 private final Number delta; 16 EqualsWithDelta(Number value, Number delta)17 public EqualsWithDelta(Number value, Number delta) { 18 this.wanted = value; 19 this.delta = delta; 20 } 21 matches(Number actual)22 public boolean matches(Number actual) { 23 if (wanted == null ^ actual == null) { 24 return false; 25 } 26 27 if (wanted == actual) { 28 return true; 29 } 30 31 return wanted.doubleValue() - delta.doubleValue() <= actual.doubleValue() 32 && actual.doubleValue() <= wanted.doubleValue() 33 + delta.doubleValue(); 34 } 35 toString()36 public String toString() { 37 return "eq(" + wanted + ", " + delta + ")"; 38 } 39 } 40