+
+;;-----------------------------------------------------
+;; Test near-text buffer functions.
+;;-----------------------------------------------------
+(with-temp-buffer
+ (erase-buffer)
+ (Assert (eq (char-before) nil))
+ (Assert (eq (char-before (point)) nil))
+ (Assert (eq (char-before (point-marker)) nil))
+ (Assert (eq (char-before (point) (current-buffer)) nil))
+ (Assert (eq (char-before (point-marker) (current-buffer)) nil))
+ (Assert (eq (char-after) nil))
+ (Assert (eq (char-after (point)) nil))
+ (Assert (eq (char-after (point-marker)) nil))
+ (Assert (eq (char-after (point) (current-buffer)) nil))
+ (Assert (eq (char-after (point-marker) (current-buffer)) nil))
+ (Assert (eq (preceding-char) 0))
+ (Assert (eq (preceding-char (current-buffer)) 0))
+ (Assert (eq (following-char) 0))
+ (Assert (eq (following-char (current-buffer)) 0))
+ (insert "foobar")
+ (Assert (eq (char-before) ?r))
+ (Assert (eq (char-after) nil))
+ (Assert (eq (preceding-char) ?r))
+ (Assert (eq (following-char) 0))
+ (goto-char (point-min))
+ (Assert (eq (char-before) nil))
+ (Assert (eq (char-after) ?f))
+ (Assert (eq (preceding-char) 0))
+ (Assert (eq (following-char) ?f))
+ )