* test/lisp/repeat-tests.el: New file.

diff --git a/test/lisp/repeat-tests.el b/test/lisp/repeat-tests.el
new file mode 100644 (file)
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+++ b/test/lisp/repeat-tests.el
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+;;; repeat-tests.el --- Tests for repeat.el          -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2021 Free Software Foundation, Inc.
+
+;; Author: Juri Linkov <juri@linkov.net>
+
+;; 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 'repeat)
+
+(defvar repeat-tests-calls nil)
+
+(defun repeat-tests-call-a (&optional arg)
+  (interactive "p")
+  (push `(,arg a) repeat-tests-calls))
+
+(defun repeat-tests-call-b (&optional arg)
+  (interactive "p")
+  (push `(,arg b) repeat-tests-calls))
+
+(defvar repeat-tests-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map (kbd "C-x w a") 'repeat-tests-call-a)
+    map)
+  "Keymap for keys that initiate repeating sequences.")
+
+(defvar repeat-tests-repeat-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map "a" 'repeat-tests-call-a)
+    (define-key map "b" 'repeat-tests-call-b)
+    map)
+  "Keymap for repeating sequences.")
+(put 'repeat-tests-call-a 'repeat-map 'repeat-tests-repeat-map)
+(put 'repeat-tests-call-b 'repeat-map 'repeat-tests-repeat-map)
+
+(defmacro with-repeat-mode (&rest body)
+  "Create environment for testing `repeat-mode'."
+  `(unwind-protect
+      (progn
+        (repeat-mode +1)
+        (with-temp-buffer
+          (save-window-excursion
+            ;; `execute-kbd-macro' applied to window only
+            (set-window-buffer nil (current-buffer))
+            (use-local-map repeat-tests-map)
+            ,@body)))
+    (repeat-mode -1)))
+
+(defun repeat-tests--check (keys calls inserted)
+  (setq repeat-tests-calls nil)
+  (delete-region (point-min) (point-max))
+  (execute-kbd-macro (kbd keys))
+  (should (equal (nreverse repeat-tests-calls) calls))
+  ;; Check for self-inserting keys
+  (should (equal (buffer-string) inserted)))
+
+(ert-deftest repeat-tests-exit-key ()
+  (with-repeat-mode
+   (let ((repeat-echo-function 'ignore))
+     (let ((repeat-exit-key nil))
+       (repeat-tests--check
+        "C-x w a b a b RET c"
+        '((1 a) (1 b) (1 a) (1 b)) "\nc"))
+     (let ((repeat-exit-key [return]))
+       (repeat-tests--check
+        "C-x w a b a b <return> c"
+        '((1 a) (1 b) (1 a) (1 b)) "c")))))
+
+(ert-deftest repeat-tests-keep-prefix ()
+  (with-repeat-mode
+   (let ((repeat-echo-function 'ignore))
+     (repeat-tests--check
+      "C-x w a b a b c"
+      '((1 a) (1 b) (1 a) (1 b)) "c")
+     (let ((repeat-keep-prefix nil))
+       (repeat-tests--check
+        "C-2 C-x w a b a b c"
+        '((2 a) (1 b) (1 a) (1 b)) "c")
+       (repeat-tests--check
+        "C-2 C-x w a C-3 c"
+        '((2 a)) "ccc"))
+     ;; TODO: fix and uncomment
+     ;; (let ((repeat-keep-prefix t))
+     ;;   (repeat-tests--check
+     ;;    "C-2 C-x w a b a b c"
+     ;;    '((2 a) (2 b) (2 a) (2 b)) "c")
+     ;;   (repeat-tests--check
+     ;;    "C-2 C-x w a C-1 C-2 b a C-3 C-4 b c"
+     ;;    '((2 a) (12 b) (12 a) (34 b)) "c"))
+     )))
+
+;; TODO: :tags '(:expensive-test)  for repeat-exit-timeout
+
+(provide 'repeat-tests)
+;;; repeat-tests.el ends here