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This is a test framework for the JDK 1.8.

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/**
 * Powerunit - A JDK1.8 test framework
 * Copyright (C) 2014 Mathieu Boretti.
 *
 * This file is part of Powerunit
 *
 * Powerunit is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Powerunit is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Powerunit. If not, see .
 */
package ch.powerunit.matchers.optional;

import java.util.Optional;

import org.hamcrest.FeatureMatcher;
import org.hamcrest.Matcher;

/**
 * Support for presence check on optional
 *
 * @author borettim
 *
 */
public class OptionalPresentMatcher extends
        FeatureMatcher, Boolean> {

    /**
     * Default constructor.
     * 
     * @param subMatcher
     *            the matcher
     */
    public OptionalPresentMatcher(Matcher subMatcher) {
        super(subMatcher, "is present", "is present");
    }

    @Override
    protected Boolean featureValueOf(Optional actual) {
        return actual.isPresent();
    }
}