}
}

// isDeadlineExceeded reports whether err is or wraps ErrDeadlineExceeded.
// We also check that the error has a Timeout method that returns true.
func isDeadlineExceeded(err error) bool {
	if !IsTimeout(err) {
		return false
	}
	if !errors.Is(err, ErrDeadlineExceeded) {
		return false
	}
	return true
}

		cst := newClientServerTest(t, mode, HandlerFunc(func(res ResponseWriter, req *Request) {
			_, err := io.Copy(io.Discard, req.Body)
			if !errors.Is(err, os.ErrDeadlineExceeded) {
				t.Errorf("server timed out reading request body: got err %v; want os.ErrDeadlineExceeded", err)
			}
			res.Write([]byte(respBody))
		}), func(ts *httptest.Server) {
			ts.Config.ReadHeaderTimeout = -1 // don't time out while reading headers

	if err == nil {
		return ErrNone
	}

	// Errors that are generated by net.Conn and any context errors must be handled here.
	if errors.Is(err, os.ErrDeadlineExceeded) || errors.Is(err, context.DeadlineExceeded) {
		return ErrRequestTimedout
	}

	// Only return ErrClientDisconnected if the provided context is actually canceled.

// when the stream's ReadTimeout has fired.
func (st *http2stream) onReadTimeout() {
	if st.body != nil {
		// Wrap the ErrDeadlineExceeded to avoid callers depending on us
		// returning the bare error.
		st.body.CloseWithError(fmt.Errorf("%w", os.ErrDeadlineExceeded))
	}
}

// onWriteTimeout is run on its own goroutine (from time.AfterFunc)
// when the stream's WriteTimeout has fired.

		{"Create", Func, 0},
		{"CreateTemp", Func, 16},
		{"DevNull", Const, 0},
		{"DirEntry", Type, 16},
		{"DirFS", Func, 16},
		{"Environ", Func, 0},
		{"ErrClosed", Var, 8},
		{"ErrDeadlineExceeded", Var, 15},
		{"ErrExist", Var, 0},
		{"ErrInvalid", Var, 0},
		{"ErrNoDeadline", Var, 10},
		{"ErrNotExist", Var, 0},
		{"ErrPermission", Var, 0},
		{"ErrProcessDone", Var, 16},