/*
 * 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.streaming.api.functions.windowing.delta.extractor;

import org.junit.Test;

import static org.junit.Assert.assertEquals;

public class FieldFromArrayTest {

	String[] testStringArray = { "0", "1", "2", "3", "4" };
	Integer[] testIntegerArray = { 10, 11, 12, 13, 14 };
	int[] testIntArray = { 20, 21, 22, 23, 24 };

	@Test
	public void testStringArray() {
		for (int i = 0; i < this.testStringArray.length; i++) {
			assertEquals(this.testStringArray[i],
					new FieldFromArray<String>(i).extract(testStringArray));
		}
	}

	@Test
	public void testIntegerArray() {
		for (int i = 0; i < this.testIntegerArray.length; i++) {
			assertEquals(this.testIntegerArray[i],
					new FieldFromArray<String>(i).extract(testIntegerArray));
		}
	}

	@Test
	public void testIntArray() {
		for (int i = 0; i < this.testIntArray.length; i++) {
			assertEquals(new Integer(this.testIntArray[i]),
					new FieldFromArray<Integer>(i).extract(testIntArray));
		}
	}

}