EasyMock example source code file (EqualsWithDelta.java)

This example EasyMock source code file (EqualsWithDelta.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - EasyMock tags/keywords

equalswithdelta, equalswithdelta, iargumentmatcher, iargumentmatcher, number, number

The EasyMock EqualsWithDelta.java source code

/*
 * Copyright (c) 2001-2007 OFFIS, Tammo Freese.
 * This program is made available under the terms of the MIT License.
 */
package org.easymock.internal.matchers;

import org.easymock.IArgumentMatcher;

public class EqualsWithDelta implements IArgumentMatcher {
    private final Number expected;

    private final Number delta;

    public EqualsWithDelta(Number value, Number delta) {
        this.expected = value;
        this.delta = delta;
    }

    public boolean matches(Object actual) {
        Number actualNumber = (Number) actual;
        return expected.doubleValue() - delta.doubleValue() <= actualNumber
                .doubleValue()
                && actualNumber.doubleValue() <= expected.doubleValue()
                        + delta.doubleValue();
    }

    public void appendTo(StringBuffer buffer) {
        buffer.append("eq(" + expected + ", " + delta + ")");
    }
}