flink-connectors/flink-hadoop-compatibility/src/test/java/org/apache/flink/api/java/typeutils/runtime/WritableSerializerTest.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.api.java.typeutils.runtime;

import org.apache.flink.api.common.serialization.SerializerConfigImpl;
import org.apache.flink.api.common.typeutils.SerializerTestInstance;
import org.apache.flink.api.java.typeutils.TypeExtractor;
import org.apache.flink.api.java.typeutils.WritableTypeInfo;

import org.junit.jupiter.api.Test;

/** Tests for the {@link WritableSerializer}. */
class WritableSerializerTest {

    @Test
    void testStringArrayWritable() {
        StringArrayWritable[] data =
                new StringArrayWritable[] {
                    new StringArrayWritable(new String[] {}),
                    new StringArrayWritable(new String[] {""}),
                    new StringArrayWritable(new String[] {"a", "a"}),
                    new StringArrayWritable(new String[] {"a", "b"}),
                    new StringArrayWritable(new String[] {"c", "c"}),
                    new StringArrayWritable(new String[] {"d", "f"}),
                    new StringArrayWritable(new String[] {"d", "m"}),
                    new StringArrayWritable(new String[] {"z", "x"}),
                    new StringArrayWritable(new String[] {"a", "a", "a"})
                };

        WritableTypeInfo<StringArrayWritable> writableTypeInfo =
                (WritableTypeInfo<StringArrayWritable>) TypeExtractor.getForObject(data[0]);
        WritableSerializer<StringArrayWritable> writableSerializer =
                (WritableSerializer<StringArrayWritable>)
                        writableTypeInfo.createSerializer(new SerializerConfigImpl());

        SerializerTestInstance<StringArrayWritable> testInstance =
                new SerializerTestInstance<StringArrayWritable>(
                        writableSerializer, writableTypeInfo.getTypeClass(), -1, data) {};

        testInstance.testAll();
    }
}