package junit.tests.framework;
   
   import junit.framework.ComparisonFailure;
   import junit.framework.TestCase;
   
   public class ComparisonFailureTest extends TestCase {
   
       // Most of the tests are in ComparisonCompactorTest
       public void testConnection() {
          ComparisonFailure failure = new ComparisonFailure("warning", "Mary had a little lamb", "Mary had the little lamb");
          assertEquals("warning expected:<Mary had [a] little lamb> but was:<Mary had [the] little lamb>", failure.getMessage());
      }
  
      // This is like an instanceof test.
      public void testThrowing() {
          try {
              assertEquals("a", "b");
          } catch (ComparisonFailure e) {
              return;
          }
          fail();
      }
  
      public void testExceptionToStringWithMessage() {
          try {
              assertEquals("woops!", "a", "b");
          } catch (ComparisonFailure e) {
              if (!e.toString().startsWith("junit.framework.ComparisonFailure: woops! expected:<")) {
                  fail("Unexpected message: " + e);
              }
              return;
          }
          fail();
      }
  
      public void testExceptionToStringWithoutMessage() {
          try {
              assertEquals("a", "b");
          } catch (ComparisonFailure e) {
              if (!e.toString().startsWith("junit.framework.ComparisonFailure: expected:<")) {
                  fail("Unexpected message: " + e);
              }
              return;
          }
          fail();
      }
  }