/*
 * 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.test.misc;

import org.apache.flink.api.common.typeinfo.TypeInformation;
import org.apache.flink.api.java.Utils;
import org.apache.flink.api.java.typeutils.TypeExtractor;
import org.apache.flink.test.javaApiOperators.util.CollectionDataSets;

import org.junit.Assert;
import org.junit.Test;

public class GenericTypeInfoTest {

	@Test
	public void testSerializerTree() {
		@SuppressWarnings("unchecked")
		TypeInformation<CollectionDataSets.PojoWithCollectionGeneric> ti = 
				(TypeInformation<CollectionDataSets.PojoWithCollectionGeneric>) 
						TypeExtractor.createTypeInfo(CollectionDataSets.PojoWithCollectionGeneric.class);
		
		String serTree = Utils.getSerializerTree(ti);
		// We can not test against the entire output because the fields of 'String' differ
		// between java versions
		Assert.assertTrue(serTree.startsWith("GenericTypeInfo (PojoWithCollectionGeneric)\n" +
				"    pojos:java.util.List\n" +
				"    key:int\n" +
				"    sqlDate:java.sql.Date\n" +
				"    bigInt:java.math.BigInteger\n" +
				"        signum:int\n" +
				"        mag:[I\n" +
				"        bitCount:int\n" +
				"        bitLength:int\n" +
				"        lowestSetBit:int\n" +
				"        firstNonzeroIntNum:int\n" +
				"    bigDecimalKeepItNull:java.math.BigDecimal\n" +
				"        intVal:java.math.BigInteger\n" +
				"            signum:int\n" +
				"            mag:[I\n" +
				"            bitCount:int\n" +
				"            bitLength:int\n" +
				"            lowestSetBit:int\n" +
				"            firstNonzeroIntNum:int\n" +
				"        scale:int\n" +
				"    scalaBigInt:scala.math.BigInt\n" +
				"        bigInteger:java.math.BigInteger\n" +
				"            signum:int\n" +
				"            mag:[I\n" +
				"            bitCount:int\n" +
				"            bitLength:int\n" +
				"            lowestSetBit:int\n" +
				"            firstNonzeroIntNum:int\n" +
				"    mixed:java.util.List\n" +
				"    makeMeGeneric:org.apache.flink.test.javaApiOperators.util.CollectionDataSets$PojoWithDateAndEnum\n" +
				"        group:java.lang.String\n"));
	}
}