} catch (IOException e) {
            throw new RuntimeException(String.format("Could not canonicalise '%s'.", current), e);
        }
    }

    public TestFile file(Object... path) {
        try {
            return new TestFile(this, path);
        } catch (RuntimeException e) {

        if (options.getMode() == LockMode.OnDemand) {
            throw new UnsupportedOperationException(String.format("No %s mode lock implementation available.", options));
        }
        File canonicalTarget;
        try {
            canonicalTarget = target.getCanonicalFile();
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
        if (!lockedFiles.add(canonicalTarget)) {

    public static void assertArgumentArrayIndex(final String argName, final int argValue, final int arraySize) {
        if (argValue < 0) {
            throw new ClIllegalArgumentException(argName, "ECL0014", asArray(argName));
        }
        if (argValue >= arraySize) {
            throw new ClIllegalArgumentException(argName, "ECL0015", asArray(argName, arraySize));
        }
    }

    /**
     * 引数が不正でないことを表明します。
     *

            if (nameAnnotation != null) {
                throw new Failure("@" + CallableKind.AfterConstructor.class.getSimpleName() + " cannot be used with @" + CallableDefinition.Name.class.getSimpleName());
            }
            if (nameFromPattern != null) {
                throw new Failure("Constructor interceptors cannot follow the 'intercept_*' name pattern");
            }

                case SmbComTransaction.TRANS2_GET_DFS_REFERRAL:
                    break;
                default:
                    throw new SmbException("Invalid operation for " + svc + " service: " + request);
                }
                break;
            default:
                throw new SmbException("Invalid operation for " + svc + " service" + request);
            }
        }
    }

      } catch (EOFException e) {
        throw new IllegalStateException(e);
      } catch (IOException impossible) {
        throw new AssertionError(impossible);
      }
    }

    @Override
    public int readUnsignedByte() {
      try {
        return input.readUnsignedByte();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }
    }

    @Override

      } catch (EOFException e) {
        throw new IllegalStateException(e);
      } catch (IOException impossible) {
        throw new AssertionError(impossible);
      }
    }

    @Override
    public int readUnsignedByte() {
      try {
        return input.readUnsignedByte();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }
    }

    @Override

    throw new UnsupportedOperationException();
  }

  /**
   * Guaranteed to throw an exception and leave the {@code RangeMap} unmodified.
   *
   * @throws UnsupportedOperationException always
   * @deprecated Unsupported operation.
   */
  @Deprecated
  @Override
  @DoNotCall("Always throws UnsupportedOperationException")
  public final void remove(Range<K> range) {

    val length =
      when {
        length0 == 0b1000_0000 -> {
          throw ProtocolException("indefinite length not permitted for DER")
        }
        (length0 and 0b1000_0000) == 0b1000_0000 -> {
          // Length specified over multiple bytes.
          val lengthBytes = length0 and 0b0111_1111
          if (lengthBytes > 8) {
            throw ProtocolException("length encoded with more than 8 bytes is not supported")

                    // Exception's toString() throws an exception
                    throw new BrokenRuntimeException();
                }

                private static class BrokenRuntimeException extends RuntimeException {
                    @Override
                    public String toString() {
                        throw new UnsupportedOperationException();
                    }
                }
            }