code: ///////////////////////////////////////////////////////////////////////////////////////////////
  // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
  // Copyright (C) 2001-2023 the original author or authors.
  //
  // This library is free software; you can redistribute it and/or
  // modify it under the terms of the GNU Lesser General Public
  // License as published by the Free Software Foundation; either
  // version 2.1 of the License, or (at your option) any later version.
  //
  // This library is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  // Lesser General Public License for more details.
  //
  // You should have received a copy of the GNU Lesser General Public
  // License along with this library; if not, write to the Free Software
  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  ///////////////////////////////////////////////////////////////////////////////////////////////
  
  package com.google.checkstyle.test.chapter5naming.rule522typenames;
  
  import java.util.Map;
  
  import org.junit.jupiter.api.Test;
  
  import com.google.checkstyle.test.base.AbstractGoogleModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.api.Configuration;
  
  public class TypeNameTest extends AbstractGoogleModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/google/checkstyle/test/chapter5naming/rule522typenames";
      }
  
      @Test
      public void testTypeName() throws Exception {
          final Configuration checkConfig = getModuleConfig("TypeName");
          final String msgKey = "name.invalidPattern";
          final String format = "^[A-Z][a-zA-Z0-9]*$";
          final Map<String, String> messages = checkConfig.getMessages();
  
          final String[] expected = {
              "3:7: " + getCheckMessage(messages, msgKey, "inputHeaderClass", format),
              "5:22: " + getCheckMessage(messages, msgKey, "InputHeader___Interface", format),
              "7:17: " + getCheckMessage(messages, msgKey, "inputHeaderEnum", format),
              "9:11: " + getCheckMessage(messages, msgKey, "NoValid$Name", format),
              "11:11: " + getCheckMessage(messages, msgKey, "$NoValidName", format),
              "13:11: " + getCheckMessage(messages, msgKey, "NoValidName$", format),
              "19:7: " + getCheckMessage(messages, msgKey, "_ValidName", format),
              "21:7: " + getCheckMessage(messages, msgKey, "Valid_Name", format),
              "23:7: " + getCheckMessage(messages, msgKey, "ValidName_", format),
              "27:11: " + getCheckMessage(messages, msgKey, "_Foo", format),
              "29:11: " + getCheckMessage(messages, msgKey, "Fo_o", format),
              "31:11: " + getCheckMessage(messages, msgKey, "Foo_", format),
              "33:11: " + getCheckMessage(messages, msgKey, "$Foo", format),
              "35:11: " + getCheckMessage(messages, msgKey, "Fo$o", format),
              "37:11: " + getCheckMessage(messages, msgKey, "Foo$", format),
              "41:6: " + getCheckMessage(messages, msgKey, "_FooEnum", format),
              "43:6: " + getCheckMessage(messages, msgKey, "Foo_Enum", format),
              "45:6: " + getCheckMessage(messages, msgKey, "FooEnum_", format),
              "47:6: " + getCheckMessage(messages, msgKey, "$FooEnum", format),
              "49:6: " + getCheckMessage(messages, msgKey, "Foo$Enum", format),
              "51:6: " + getCheckMessage(messages, msgKey, "FooEnum$", format),
              "53:7: " + getCheckMessage(messages, msgKey, "aaa", format),
              "55:11: " + getCheckMessage(messages, msgKey, "bbb", format),
              "57:6: " + getCheckMessage(messages, msgKey, "ccc", format),
              "61:12: " + getCheckMessage(messages, msgKey, "_Annotation", format),
              "63:12: " + getCheckMessage(messages, msgKey, "Annot_ation", format),
              "65:12: " + getCheckMessage(messages, msgKey, "Annotation_", format),
              "67:12: " + getCheckMessage(messages, msgKey, "$Annotation", format),
              "69:12: " + getCheckMessage(messages, msgKey, "Annot$ation", format),
              "71:12: " + getCheckMessage(messages, msgKey, "Annotation$", format),
          };
  
          final String filePath = getPath("InputTypeName.java");
  
          final Integer[] warnList = getLinesWithWarn(filePath);
          verify(checkConfig, filePath, expected, warnList);
      }
  
  }
  