this.errorMessage = errorMessage;
  }

  // Override hashCode() to access delegate directly (so that it doesn't trigger the validate() call
  // via delegate()); it seems inappropriate to throw ISE on this method.
  @Override
  public int hashCode() {
    return delegate.hashCode();
  }

  private void validate() {
    // Don't use checkState(), because we don't want the overhead of generating the error message

          }
        };

    // The first time, the sneakily-thrown exception comes out
    assertThrows(SomeCheckedException.class, iter::hasNext);
    // But the second time, AbstractIterator itself throws an ISE
    assertThrows(IllegalStateException.class, iter::hasNext);
  }

  public void testException() {
    SomeUncheckedException exception = new SomeUncheckedException();
    Iterator<Integer> iter =

          }
        };

    // The first time, the sneakily-thrown exception comes out
    assertThrows(SomeCheckedException.class, iter::hasNext);
    // But the second time, AbstractIterator itself throws an ISE
    assertThrows(IllegalStateException.class, iter::hasNext);
  }

  public void testException() {
    SomeUncheckedException exception = new SomeUncheckedException();
    Iterator<Integer> iter =

          }
        };

    // The first time, the sneakily-thrown exception comes out
    assertThrows(SomeCheckedException.class, iter::hasNext);
    // But the second time, AbstractIterator itself throws an ISE
    assertThrows(IllegalStateException.class, iter::hasNext);
  }

  public void testException() {
    SomeUncheckedException exception = new SomeUncheckedException();
    Iterator<Integer> iter =

          }
        };

    // The first time, the sneakily-thrown exception comes out
    assertThrows(SomeCheckedException.class, iter::hasNext);
    // But the second time, AbstractIterator itself throws an ISE
    assertThrows(IllegalStateException.class, iter::hasNext);
  }

  public void testException() {
    SomeUncheckedException exception = new SomeUncheckedException();
    Iterator<Integer> iter =

        RandomHasherAction.pickAtRandom(random).performAction(random, sinksAndControl);
      }
      // We need to ensure that at least 4 bytes have been put into the hasher or else
      // Hasher#hash will throw an ISE.
      int intToPut = random.nextInt();
      for (Hasher hasher : sinksAndControl) {
        hasher.putInt(intToPut);
      }
      for (Sink sink : sinks) {
        HashCode unused = sink.hash();
      }

          @Override
          boolean isPermitted(Exception exception) {
            return exception instanceof UnsupportedOperationException;
          }
        };
    static final PermittedMetaException ISE =
        new PermittedMetaException("IllegalStateException") {
          @Override
          boolean isPermitted(Exception exception) {
            return exception instanceof IllegalStateException;
          }
        };

  public void testNoProviders() {
    ProviderList providers = Providers.getProviderList();
    Providers.setProviderList(ProviderList.newList());
    try {
      hmacMd5(MD5_KEY);
      fail("expected ISE");
    } catch (IllegalStateException expected) {
    } finally {
      Providers.setProviderList(providers);
    }
  }

  public void testMultipleUpdates() throws Exception {

          @Override
          boolean isPermitted(Exception exception) {
            return exception instanceof UnsupportedOperationException;
          }
        };
    static final PermittedMetaException ISE =
        new PermittedMetaException("IllegalStateException") {
          @Override
          boolean isPermitted(Exception exception) {
            return exception instanceof IllegalStateException;
          }
        };

  }

  /**
   * Catches a bug where when constructing a service manager failed, later interactions with the
   * service could cause IllegalStateExceptions inside the partially constructed ServiceManager.
   * This ISE wouldn't actually bubble up but would get logged by ExecutionQueue. This obfuscated
   * the original error (which was not constructing ServiceManager correctly).
   */
  public void testPartiallyConstructedManager() {