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-rw-r--r--test/lisp/emacs-lisp/bindat-tests.el10
1 files changed, 8 insertions, 2 deletions
diff --git a/test/lisp/emacs-lisp/bindat-tests.el b/test/lisp/emacs-lisp/bindat-tests.el
index 14f95a8bf80..842ef10bc57 100644
--- a/test/lisp/emacs-lisp/bindat-tests.el
+++ b/test/lisp/emacs-lisp/bindat-tests.el
@@ -1,4 +1,4 @@
-;;; bindat-tests.el --- tests for bindat.el -*- lexical-binding: t; -*-
+;;; bindat-tests.el --- tests for bindat.el -*- lexical-binding: t; coding: utf-8; -*-
;; Copyright (C) 2019-2020 Free Software Foundation, Inc.
@@ -94,7 +94,13 @@
(src-ip .
[192 168 1 101])
(dest-ip .
- [192 168 1 100]))))))
+ [192 168 1 100]))))))
+
+(ert-deftest bindat-test-pack/multibyte-string-fails ()
+ (should-error (bindat-pack nil nil "ö")))
+
+(ert-deftest bindat-test-unpack/multibyte-string-fails ()
+ (should-error (bindat-unpack nil "ö")))
(ert-deftest bindat-test-format-vector ()
(should (equal (bindat-format-vector [1 2 3] "%d" "x" 2) "1x2"))