/*
 * 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.api.java.io;

import org.apache.flink.api.java.ExecutionEnvironment;
import org.junit.Test;

public class FromElementsTest {

	@Test
	public void fromElementsWithBaseTypeTest1() {
		ExecutionEnvironment executionEnvironment = ExecutionEnvironment.getExecutionEnvironment();
		executionEnvironment.fromElements(ParentType.class, new SubType(1, "Java"), new ParentType(1, "hello"));
	}

	@Test(expected = IllegalArgumentException.class)
	public void fromElementsWithBaseTypeTest2() {
		ExecutionEnvironment executionEnvironment = ExecutionEnvironment.getExecutionEnvironment();
		executionEnvironment.fromElements(SubType.class, new SubType(1, "Java"), new ParentType(1, "hello"));
	}

	public static class ParentType {
		int num;
		String string;
		public ParentType(int num, String string) {
			this.num = num;
			this.string = string;
		}
	}

	public static class SubType extends ParentType{
		public SubType(int num, String string) {
			super(num, string);
		}
	}
}