throw new Error();
    } catch (AssertionFailedError expected) {
    }

    try {
      Helpers.assertContentsInOrder(list, "a", "c", "b");
      throw new Error();
    } catch (AssertionFailedError expected) {
    }

    try {
      Helpers.assertContentsInOrder(list, "a", "B", "c");
      throw new Error();
    } catch (AssertionFailedError expected) {

      throw new Error();
    } catch (AssertionFailedError expected) {
    }

    try {
      Helpers.assertContentsInOrder(list, "a", "c", "b");
      throw new Error();
    } catch (AssertionFailedError expected) {
    }

    try {
      Helpers.assertContentsInOrder(list, "a", "B", "c");
      throw new Error();
    } catch (AssertionFailedError expected) {

  @CanIgnoreReturnValue
  static int checkPositive(String role, int x) {
    if (x <= 0) {
      throw new IllegalArgumentException(role + " (" + x + ") must be > 0");
    }
    return x;
  }

  @CanIgnoreReturnValue
  static long checkPositive(String role, long x) {
    if (x <= 0) {
      throw new IllegalArgumentException(role + " (" + x + ") must be > 0");
    }
    return x;
  }

        throw new UnsupportedOperationException()
    }

    TestClassExecutionResult assertTestsSkipped(String... testNames) {
        throw new UnsupportedOperationException()
    }

    @Override
    TestClassExecutionResult assertTestPassed(String name, String displayName) {
        throw new UnsupportedOperationException()
    }

      cause.setStackTrace(combined);
    }
    if (cause instanceof Exception) {
      throw (Exception) cause;
    }
    if (cause instanceof Error) {
      throw (Error) cause;
    }
    // The cause is a weird kind of Throwable, so throw the outer exception.
    throw e;
  }

  private static Set<Method> findInterruptibleMethods(Class<?> interfaceType) {

        throw new UnsupportedOperationException()
    }

    void expectDownloadBroken() {
        throw new UnsupportedOperationException()
    }

    @Override
    void expectParentMkdir() {
        throw new UnsupportedOperationException()
    }

    @Override
    void expectParentCheckdir() {
        throw new UnsupportedOperationException()
    }

    @Override
    void expectUpload() {

        throw unavailableTool("Objective-C compiler is not available");
    }

    protected Compiler<?> createWindowsResourceCompiler() {
        throw unavailableTool("Windows resource compiler is not available");
    }

    protected Compiler<?> createAssembler() {
        throw unavailableTool("Assembler is not available");
    }

    protected Compiler<?> createLinker() {

            throw new UnsupportedOperationException();
        }

        @Override
        public ProcessForkOptions executable(Object executable) {
            throw new UnsupportedOperationException();
        }

        @Override
        public JavaForkOptions systemProperties(Map<String, ?> properties) {
            throw new UnsupportedOperationException();
        }

      cause.setStackTrace(combined);
    }
    if (cause instanceof Exception) {
      throw (Exception) cause;
    }
    if (cause instanceof Error) {
      throw (Error) cause;
    }
    // The cause is a weird kind of Throwable, so throw the outer exception.
    throw e;
  }

  private static Set<Method> findInterruptibleMethods(Class<?> interfaceType) {

  @CanIgnoreReturnValue
  static int checkPositive(String role, int x) {
    if (x <= 0) {
      throw new IllegalArgumentException(role + " (" + x + ") must be > 0");
    }
    return x;
  }

  @CanIgnoreReturnValue
  static long checkPositive(String role, long x) {
    if (x <= 0) {
      throw new IllegalArgumentException(role + " (" + x + ") must be > 0");
    }
    return x;
  }