CustomOptionalTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
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 */
package org.apache.beam.sdk.io.kinesis;

import com.google.common.testing.EqualsTester;
import java.util.NoSuchElementException;
import org.junit.Test;

/**
 * Tests {@link CustomOptional}.
 */
public class CustomOptionalTest {
    @Test(expected = NoSuchElementException.class)
    public void absentThrowsNoSuchElementExceptionOnGet() {
        CustomOptional.absent().get();
    }

    @Test
    public void testEqualsAndHashCode() {
        new EqualsTester()
            .addEqualityGroup(CustomOptional.absent(), CustomOptional.absent())
            .addEqualityGroup(CustomOptional.of(3), CustomOptional.of(3))
            .addEqualityGroup(CustomOptional.of(11))
            .addEqualityGroup(CustomOptional.of("3")).testEquals();
    }
}