///////////////////////////////////////////////////////////////////////////////////////////////
   // 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.whitespace;
  
  import static com.google.common.truth.Truth.assertWithMessage;
  import static com.puppycrawl.tools.checkstyle.checks.whitespace.EmptyForIteratorPadCheck.MSG_WS_FOLLOWED;
  import static com.puppycrawl.tools.checkstyle.checks.whitespace.EmptyForIteratorPadCheck.MSG_WS_NOT_FOLLOWED;
  import static com.puppycrawl.tools.checkstyle.internal.utils.TestUtil.getExpectedThrowable;
  
  import org.junit.jupiter.api.Test;
  
  import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
  import com.puppycrawl.tools.checkstyle.api.CheckstyleException;
  import com.puppycrawl.tools.checkstyle.api.TokenTypes;
  import com.puppycrawl.tools.checkstyle.utils.CommonUtil;
  
  public class EmptyForIteratorPadCheckTest
      extends AbstractModuleTestSupport {
  
      @Override
      public String getPackageLocation() {
          return "com/puppycrawl/tools/checkstyle/checks/whitespace/emptyforiteratorpad";
      }
  
      @Test
      public void testGetRequiredTokens() {
          final EmptyForIteratorPadCheck checkObj = new EmptyForIteratorPadCheck();
          final int[] expected = {TokenTypes.FOR_ITERATOR};
          assertWithMessage("Default required tokens are invalid")
              .that(checkObj.getRequiredTokens())
              .isEqualTo(expected);
      }
  
      @Test
      public void testDefault() throws Exception {
          final String[] expected = {
              "30:32: " + getCheckMessage(MSG_WS_FOLLOWED, ";"),
              "46:33: " + getCheckMessage(MSG_WS_FOLLOWED, ";"),
              "58:12: " + getCheckMessage(MSG_WS_FOLLOWED, ";"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputEmptyForIteratorPad.java"), expected);
      }
  
      @Test
      public void testSpaceOption() throws Exception {
          final String[] expected = {
              "26:31: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputEmptyForIteratorPad1.java"), expected);
      }
  
      @Test
      public void testWithEmoji() throws Exception {
          final String[] expected = {
              "24:40: " + getCheckMessage(MSG_WS_FOLLOWED, ";"),
          };
          verifyWithInlineConfigParser(
                  getPath("InputEmptyForIteratorPadWithEmoji.java"), expected);
  
      }
  
      @Test
      public void testGetAcceptableTokens() {
          final EmptyForIteratorPadCheck emptyForIteratorPadCheckObj = new EmptyForIteratorPadCheck();
          final int[] actual = emptyForIteratorPadCheckObj.getAcceptableTokens();
          final int[] expected = {
              TokenTypes.FOR_ITERATOR,
          };
          assertWithMessage("Default acceptable tokens are invalid")
              .that(actual)
              .isEqualTo(expected);
      }
  
      @Test
      public void testInvalidOption() {
          final CheckstyleException exc = getExpectedThrowable(CheckstyleException.class, () -> {
              final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
  
              verifyWithInlineConfigParser(getPath("InputEmptyForIteratorPad2.java"), expected);
          });
         assertWithMessage("Invalid exception message")
             .that(exc.getMessage())
             .isEqualTo("cannot initialize module com.puppycrawl.tools.checkstyle.TreeWalker - "
                 + "cannot initialize module com.puppycrawl.tools.checkstyle.checks."
                 + "whitespace.EmptyForIteratorPadCheck");
     }
 
     @Test
     public void testTrimOptionProperty() throws Exception {
         final String[] expected = {
             "20:31: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
         };
         verifyWithInlineConfigParser(
                 getPath("InputEmptyForIteratorPadToCheckTrimFunctionInOptionProperty.java"),
                 expected);
 
     }
 
     @Test
     public void testUppercaseOptionProperty() throws Exception {
         final String[] expected = {
             "20:31: " + getCheckMessage(MSG_WS_NOT_FOLLOWED, ";"),
         };
         verifyWithInlineConfigParser(
                 getPath("InputEmptyForIteratorPadToCheckUppercaseFunctionInOptionProperty.java"),
                 expected);
 
     }
 }