/*
 * Copyright 2011 Goldman Sachs.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.gs.collections.impl.block.function;

import com.gs.collections.api.block.function.Function2;
import com.gs.collections.impl.test.Verify;
import org.junit.Assert;
import org.junit.Test;

// This class is not a full test of AddFunction at present, but serves as a
// holder for the addStringBlockHandlesNulls() test which had been put in the
// BlocksTest class erroneously. The BlocksTest class has since been removed.
public class AddFunctionTest
{
    @Test
    public void addStringBlockHandlesNulls()
    {
        Function2<String, String, String> undertest = AddFunction.STRING;
        Assert.assertEquals("two", undertest.value(null, "two"));
        Assert.assertEquals("one", undertest.value("one", null));
    }

    @Test
    public void addLongFunction()
    {
        Function2<Long, Long, Long> longFunction = AddFunction.LONG;
        Assert.assertEquals(Long.valueOf(3L), longFunction.value(1L, 2L));
    }

    @Test
    public void classIsNonInstantiable()
    {
        Verify.assertClassNonInstantiable(AddFunction.class);
    }
}