package org.junit.tests.experimental.categories;
   
   import static org.junit.Assert.assertThat;
   import static org.junit.experimental.results.PrintableResult.testResult;
   import static org.junit.experimental.results.ResultMatchers.hasFailureContaining;
   import static org.junit.experimental.results.ResultMatchers.isSuccessful;
   
   import java.util.Collection;
   import java.util.Collections;
  
  import org.junit.Assert;
  import org.junit.Test;
  import org.junit.experimental.categories.Categories;
  import org.junit.experimental.categories.Categories.IncludeCategory;
  import org.junit.experimental.categories.Category;
  import org.junit.runner.RunWith;
  import org.junit.runners.Parameterized;
  import org.junit.runners.Parameterized.Parameters;
  import org.junit.runners.Suite.SuiteClasses;
  
  public class CategoriesAndParameterizedTest {
      public static class Token {
  
      }
  
      @RunWith(Parameterized.class)
      public static class WellBehavedParameterizedTest {
          public WellBehavedParameterizedTest(String a) {
          }
  
          @Parameters
          public static Collection<Object[]> getParameters() {
              return Collections.singletonList(new Object[]{"a"});
          }
  
          @Test
          public void testSomething() {
              Assert.assertTrue(true);
          }
      }
  
      @RunWith(Parameterized.class)
      public static class ParameterizedTestWithAttemptedMethodCategory {
          public ParameterizedTestWithAttemptedMethodCategory(String a) {
          }
  
          @Parameters
          public static Collection<Object[]> getParameters() {
              return Collections.singletonList(new Object[]{"a"});
          }
  
          @Test
          @Category(Token.class)
          public void testSomething() {
              Assert.assertTrue(true);
          }
      }
  
      @RunWith(Parameterized.class)
      @Category(Token.class)
      public static class ParameterizedTestWithClassCategory {
          public ParameterizedTestWithClassCategory(String a) {
          }
  
          @Parameters
          public static Collection<Object[]> getParameters() {
              return Collections.singletonList(new Object[]{"a"});
          }
  
          @Test
          public void testSomething() {
              Assert.assertTrue(true);
          }
      }
  
      @Category(Token.class)
      public static class VanillaCategorizedJUnitTest {
          @Test
          public void testSomething() {
              Assert.assertTrue(true);
          }
      }
  
      @RunWith(Categories.class)
      @IncludeCategory(Token.class)
      @SuiteClasses({VanillaCategorizedJUnitTest.class,
              WellBehavedParameterizedTest.class,
              ParameterizedTestWithClassCategory.class})
      public static class ParameterTokenSuiteWellFormed {
      }
  
      @RunWith(Categories.class)
      @IncludeCategory(Token.class)
      @SuiteClasses({ParameterizedTestWithAttemptedMethodCategory.class, VanillaCategorizedJUnitTest.class})
      public static class ParameterTokenSuiteMalformed {
      }
  
      @RunWith(Categories.class)
      @IncludeCategory(Token.class)
     @SuiteClasses({VanillaCategorizedJUnitTest.class, ParameterizedTestWithAttemptedMethodCategory.class})
     public static class ParameterTokenSuiteMalformedAndSwapped {
     }
 
     @Test
     public void shouldSucceedWithAParameterizedClassSomewhere() {
         assertThat(testResult(ParameterTokenSuiteWellFormed.class),
                 isSuccessful());
     }
 
     @Test
     public void shouldFailWithMethodLevelCategoryAnnotation() {
         assertThat(
                 testResult(ParameterTokenSuiteMalformed.class),
                 hasFailureContaining("Category annotations on Parameterized classes are not supported on individual methods."));
     }
 
     @Test
     public void shouldFailWithMethodLevelCategoryAnnotationSwapped() {
         assertThat(
                 testResult(ParameterTokenSuiteMalformedAndSwapped.class),
                 hasFailureContaining("Category annotations on Parameterized classes are not supported on individual methods."));
     }
 }