1 files changed, 99 insertions, 0 deletions
diff --git a/test/lisp/emacs-lisp/bindat-tests.el b/test/lisp/emacs-lisp/bindat-tests.el
new file mode 100644
index 00000000000..f6af810083a
--- /dev/null
+++ b/test/lisp/emacs-lisp/bindat-tests.el
@@ -0,0 +1,99 @@
+;;; bindat-tests.el --- tests for bindat.el  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2019 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Code:
+
+(require 'ert)
+(require 'bindat)
+(require 'cl-lib)
+
+(defvar header-bindat-spec
+  '((dest-ip ip)
+    (src-ip ip)
+    (dest-port u16)
+    (src-port u16)))
+
+(defvar data-bindat-spec
+  '((type u8)
+    (opcode u8)
+    (length u16r) ;; little endian order
+    (id strz 8)
+    (data vec (length))
+    (align 4)))
+
+(defvar packet-bindat-spec
+  '((header struct header-bindat-spec)
+    (items u8)
+    (fill 3)
+    (item repeat (items)
+          (struct data-bindat-spec))))
+
+(defvar struct-bindat
+  '((header
+     (dest-ip . [192 168 1 100])
+     (src-ip . [192 168 1 101])
+     (dest-port . 284)
+     (src-port . 5408))
+    (items . 2)
+    (item ((data . [1 2 3 4 5])
+           (id . "ABCDEF")
+           (length . 5)
+           (opcode . 3)
+           (type . 2))
+          ((data . [6 7 8 9 10 11 12])
+           (id . "BCDEFG")
+           (length . 7)
+           (opcode . 4)
+           (type . 1)))))
+
+(ert-deftest bindat-test-pack ()
+  (should (equal
+           (cl-map 'vector #'identity
+                   (bindat-pack packet-bindat-spec struct-bindat))
+           [ 192 168 1 100 192 168 1 101 01 28 21 32 2 0 0 0
+                 2 3 5 0 ?A ?B ?C ?D ?E ?F 0 0 1 2 3 4 5 0 0 0
+                 1 4 7 0 ?B ?C ?D ?E ?F ?G 0 0 6 7 8 9 10 11 12 0 ])))
+
+(ert-deftest bindat-test-unpack ()
+  (should (equal
+           (bindat-unpack packet-bindat-spec
+                          (bindat-pack packet-bindat-spec struct-bindat))
+           '((item
+              ((data .
+	             [1 2 3 4 5])
+               (id . "ABCDEF")
+               (length . 5)
+               (opcode . 3)
+               (type . 2))
+              ((data .
+	             [6 7 8 9 10 11 12])
+               (id . "BCDEFG")
+               (length . 7)
+               (opcode . 4)
+               (type . 1)))
+             (items . 2)
+             (header
+              (src-port . 5408)
+              (dest-port . 284)
+              (src-ip .
+	              [192 168 1 101])
+              (dest-ip .
+	               [192 168 1 100]))))))
+
+;;; bindat-tests.el ends here