flink-core/src/test/java/org/apache/flink/util/OutputTagTest.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
 * limitations under the License.
 */

package org.apache.flink.util;

import org.apache.flink.api.common.typeinfo.BasicTypeInfo;

import org.junit.Test;

/**
 * Tests for the {@link OutputTag}.
 */
public class OutputTagTest {

	@Test(expected = NullPointerException.class)
	public void testNullRejected() {
		new OutputTag<Integer>(null);
	}

	@Test(expected = NullPointerException.class)
	public void testNullRejectedWithTypeInfo() {
		new OutputTag<>(null, BasicTypeInfo.INT_TYPE_INFO);
	}

	@Test(expected = IllegalArgumentException.class)
	public void testEmptyStringRejected() {
		new OutputTag<Integer>("");
	}

	@Test(expected = IllegalArgumentException.class)
	public void testEmptyStringRejectedWithTypeInfo() {
		new OutputTag<>("", BasicTypeInfo.INT_TYPE_INFO);
	}
}