fail(message);
    } catch (UnsupportedOperationException expected) {
    }
  }

  private void expectReturnsFalseOrThrows(Target target) {
    String message = Platform.format("retainAll(%s) should return false or throw", target);
    try {
      assertFalse(message, collection.retainAll(target.toRetain));
    } catch (UnsupportedOperationException tolerated) {
    }
  }

      assertFalse(getMap().entrySet().contains(mapEntry(IncomparableType.INSTANCE, v0())));
    } catch (ClassCastException acceptable) {
      // allowed by the spec
    }
  }

  public void testContainsEntryWithIncomparableValue() {
    try {
      assertFalse(getMap().entrySet().contains(mapEntry(k0(), IncomparableType.INSTANCE)));
    } catch (ClassCastException acceptable) {
      // allowed by the spec
    }
  }

      assertFalse(getMap().entrySet().contains(mapEntry(IncomparableType.INSTANCE, v0())));
    } catch (ClassCastException acceptable) {
      // allowed by the spec
    }
  }

  public void testContainsEntryWithIncomparableValue() {
    try {
      assertFalse(getMap().entrySet().contains(mapEntry(k0(), IncomparableType.INSTANCE)));
    } catch (ClassCastException acceptable) {
      // allowed by the spec
    }
  }

            try {
              Object returnValue = method.invoke(delegate, args);
              mutateDelegate();
              return returnValue;
            } catch (InvocationTargetException e) {
              throw e.getCause();
            } catch (IllegalAccessException e) {
              throw new AssertionError(e);
            }
          }

          private void mutateDelegate() {

    private static Object getField(Object target, String name) {
        try {
            var f = target.getClass().getDeclaredField(name);
            f.setAccessible(true);
            return f.get(target);
        } catch (Exception e) {
            fail("access field " + name, e);
            return null;
        }
    }

    private static int invokeProtectedInt(Object target, String name, Object... params) {
        try {

                    try (FileReader r = new FileReader(f)) {
                        populate(r, tc);
                    }
                }
                result = this.table.get(name);
            }
        } catch (final IOException fnfe) {
            log.error("Could not read lmhosts " + tc.getConfig().getLmHostsFileName(), fnfe); //$NON-NLS-1$
        }
        return result;
    }

                    .forEach(path -> {
                        try {
                            Files.delete(path);
                        } catch (IOException e) {
                            // Ignore cleanup errors
                        }
                    });
        }
    }

    @Test
    public void testRequestDurableHandle() {

      constructor = type.getConstructor();
    } catch (NoSuchMethodException e) {
      return arbitraryConstantInstanceOrNull(type);
    }
    constructor.setAccessible(true); // accessibility check is too slow
    try {
      return constructor.newInstance();
    } catch (InstantiationException | IllegalAccessException impossible) {
      throw new AssertionError(impossible);
    } catch (InvocationTargetException e) {

                        logger.debug("Failed to create {} alias for {}", aliasName, createdIndexName);
                    }
                }));
            }
        } catch (final ResourceNotFoundRuntimeException e) {
            // ignore
        } catch (final Exception e) {
            logger.warn("{} is not found.", aliasConfigDirPath, e);
        }
    }

    /**

    } catch (UnsupportedOperationException expected) {
    }
    try {
      unmod.remove(4);
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
    try {
      unmod.addAll(singleton(4));
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }