package org.junit.tests.experimental.theories.runner;
   
   import static org.junit.Assert.assertThat;
   import static org.junit.Assume.assumeTrue;
   import static org.junit.experimental.results.PrintableResult.testResult;
   import static org.junit.experimental.results.ResultMatchers.isSuccessful;
   
   import org.junit.Test;
   import org.junit.experimental.theories.DataPoints;
  import org.junit.experimental.theories.Theories;
  import org.junit.experimental.theories.Theory;
  import org.junit.runner.RunWith;
  
  public class TheoriesPerformanceTest {
      @RunWith(Theories.class)
      public static class UpToTen {
          @DataPoints
          public static int[] ints = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
  
          @Theory
          public void threeInts(int x, int y, int z) {
              // pass always
          }
      }
  
      private static final boolean TESTING_PERFORMANCE = false;
  
      // If we do not share the same instance of TestClass, repeatedly parsing the
      // class's annotations looking for @Befores and @Afters gets really costly.
      //
      // Likewise, the TestClass must be passed into AllMembersSupplier, or the
      // annotation parsing is again costly.
      @Test
      public void tryCombinationsQuickly() {
          assumeTrue(TESTING_PERFORMANCE);
          assertThat(testResult(UpToTen.class), isSuccessful());
      }
  }