ConstantReceiverMatcher.java

/*
 * Copyright (c) 2002 Cunningham & Cunningham, Inc.
 * Copyright (c) 2009-2015 by Jochen Wierum & Cologne Intelligence
 *
 * This file is part of FitGoodies.
 *
 * FitGoodies 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.
 *
 * FitGoodies 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 FitGoodies.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.cologneintelligence.fitgoodies.testsupport;

import de.cologneintelligence.fitgoodies.valuereceivers.ConstantReceiver;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import org.hamcrest.Matcher;

public class ConstantReceiverMatcher extends BaseMatcher<ConstantReceiver> {

    private final Matcher<?> expected;

    public ConstantReceiverMatcher(Matcher<?> expected) {
        this.expected = expected;
    }

    @Override
    public void describeTo(Description description) {
        description.appendText("A constantReceiver that");
        expected.describeTo(description);
    }

    @Override
    public boolean matches(Object o) {
        return expected.matches(((ConstantReceiver) o).get());
    }

    public static ConstantReceiverMatcher constantReceiverThat(Matcher<?> matcher) {
        return new ConstantReceiverMatcher(matcher);
    }
}