///////////////////////////////////////////////////////////////////////////////////////////////
   // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
   // Copyright (C) 2001-2026 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.header;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.AbstractExamplesModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
  
  public class RegexpHeaderCheckExamplesTest extends AbstractExamplesModuleTestSupport {
      @Override
      public String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/header/regexpheader";
      }
  
      @Test
      public void testExample1() throws Exception {
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
          verifyWithExternalXmlConfig(getPath("Example1.xml"),
                                      getPath("Example1.java"),
                                       expected);
      }
  
      @Test
      public void testExample2() throws Exception {
          final String[] expected = {
              "1: " + getCheckMessage(RegexpHeaderCheck.MSG_HEADER_MISSING),
          };
  
          System.setProperty("config.folder", "src/xdocs-examples/resources/" + getPackageLocation());
          verifyWithExternalXmlConfig(getPath("Example2.xml"),
                                      getPath("Example2.java"),
                                       expected);
      }
  
      @Test
      public void testExample3() throws Exception {
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
  
          System.setProperty("config.folder", "src/xdocs-examples/resources/" + getPackageLocation());
          verifyWithExternalXmlConfig(getPath("Example3.xml"),
                                      getPath("Example3.java"),
                                       expected);
      }
  
      @Test
      public void testExample4() throws Exception {
          final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
          System.setProperty("config.folder", "src/xdocs-examples/resources/" + getPackageLocation());
          verifyWithExternalXmlConfig(getPath("Example4.xml"),
                                      getPath("Example4.java"),
                                       expected);
      }
  }