src/test/java/org/apache/commons/lang3/AbstractLangTest.java


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/*
 * 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.commons.lang3;

import static org.junit.jupiter.api.Assertions.assertNull;

import java.util.Map;

import org.apache.commons.lang3.builder.ToStringStyle;
import org.junit.jupiter.api.AfterEach;

public class AbstractLangTest {

    /**
     * All tests should leave the {@link ToStringStyle} registry empty.
     */
    @AfterEach
    public void after() {
        validateNullToStringStyleRegistry();
    }

    void validateNullToStringStyleRegistry() {
        final Map<Object, Object> registry = ToStringStyle.getRegistry();
        assertNull(registry, "Expected null, actual: " + registry);
    }

}