ProximityFunctionTest.java

/**
 * Copyright (c) Codice Foundation
 * <p>
 * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 * <p>
 * This program 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
 * Lesser General Public License for more details. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package ddf.catalog.impl.filter;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;

import java.util.ArrayList;
import java.util.List;

import org.junit.Test;
import org.opengis.filter.expression.Expression;

public class ProximityFunctionTest {

    @Test(expected = NullPointerException.class)
    public void testVerifyProximityFunctionCannotBeCalledWithNull() {
        new ProximityFunction(null, null);
    }

    @Test(expected = IllegalArgumentException.class)
    public void testVerifyProximityFunctionCannotBeCalledWithMoreThanOneParameter() {
        List<Expression> exprs = new ArrayList<>();
        exprs.add(Expression.NIL);
        exprs.add(Expression.NIL);
        new ProximityFunction(exprs, null);
    }

    @Test
    public void testVerifyProximityFunction() {
        List<Expression> exprs = new ArrayList<>();
        exprs.add(Expression.NIL);
        exprs.add(Expression.NIL);
        exprs.add(Expression.NIL);
        ProximityFunction func = new ProximityFunction(exprs, null);
        assertThat(func.getName(), is(ProximityFunction.NAME.getName()));
    }

}