Gadgetbridge/app/src/test/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceTypeTest.java

/*  Copyright (C) 2023 José Rebelo

    This file is part of Gadgetbridge.

    Gadgetbridge is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published
    by the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Gadgetbridge 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.model;

import org.junit.Assert;
import org.junit.Test;

import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

public class DeviceTypeTest {
    @Test
    public void ensureNoDuplicateKeys() {
        final Set<Integer> knownKeys = new HashSet<>();

        final List<Integer> duplicateKeys = Arrays.stream(DeviceType.values())
                .map(DeviceType::getKey)
                .filter(k -> !knownKeys.add(k))
                .collect(Collectors.toList());

        Assert.assertTrue("There are duplicated device keys: " + duplicateKeys, duplicateKeys.isEmpty());
    }
}