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.puppycrawl.tools.checkstyle.checks.whitespace;
  
  import static com.google.common.truth.Truth.assertWithMessage;
  import static com.puppycrawl.tools.checkstyle.checks.whitespace.NoWhitespaceBeforeCaseDefaultColonCheck.MSG_KEY;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.api.TokenTypes;
  
  public class NoWhitespaceBeforeCaseDefaultColonCheckTest
      extends AbstractModuleTestSupport {
  
      @Override
      protected String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/whitespace"
                  + "/nowhitespacebeforecasedefaultcolon";
      }
  
      @Test
      public void testDefault() throws Exception {
          createModuleConfig(
                  NoWhitespaceBeforeCaseDefaultColonCheck.class);
          final String[] expected = {
              "15:20: " + getCheckMessage(MSG_KEY, ":"),
              "19:21: " + getCheckMessage(MSG_KEY, ":"),
              "32:37: " + getCheckMessage(MSG_KEY, ":"),
              "40:21: " + getCheckMessage(MSG_KEY, ":"),
              "44:28: " + getCheckMessage(MSG_KEY, ":"),
              "47:1: " + getCheckMessage(MSG_KEY, ":"),
              "50:27: " + getCheckMessage(MSG_KEY, ":"),
              "61:38: " + getCheckMessage(MSG_KEY, ":"),
              "66:38: " + getCheckMessage(MSG_KEY, ":"),
              "79:24: " + getCheckMessage(MSG_KEY, ":"),
              "82:21: " + getCheckMessage(MSG_KEY, ":"),
              "89:38: " + getCheckMessage(MSG_KEY, ":"),
              "92:35: " + getCheckMessage(MSG_KEY, ":"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputNoWhitespaceBeforeCaseDefaultColon.java"),
                  expected);
      }
  
      @Test
      public void testDefaultNonCompilable() throws Exception {
          createModuleConfig(
                  NoWhitespaceBeforeCaseDefaultColonCheck.class);
          final String[] expected = {
              "36:22: " + getCheckMessage(MSG_KEY, ":"),
              "39:21: " + getCheckMessage(MSG_KEY, ":"),
              "42:25: " + getCheckMessage(MSG_KEY, ":"),
              "61:20: " + getCheckMessage(MSG_KEY, ":"),
              "74:32: " + getCheckMessage(MSG_KEY, ":"),
              "91:17: " + getCheckMessage(MSG_KEY, ":"),
              "94:20: " + getCheckMessage(MSG_KEY, ":"),
              "97:21: " + getCheckMessage(MSG_KEY, ":"),
          };
          verifyWithInlineConfigParser(
                  getNonCompilablePath("InputNoWhitespaceBeforeCaseDefaultColonEnumAndStrings.java"),
                  expected);
      }
  
      @Test
      public void testAcceptableTokenIsColon() {
          final NoWhitespaceBeforeCaseDefaultColonCheck check =
                  new NoWhitespaceBeforeCaseDefaultColonCheck();
          assertWithMessage("Acceptable token should be colon")
                  .that(new int[] {TokenTypes.COLON})
                  .isEqualTo(check.getAcceptableTokens());
      }
  
  }
  