+ (error
+ (forward-line 1)
+ nil))))))))
+
+;; Test vectors.
+
+(eval-when-compile
+ (defvar show-trailing-whitespace))
+
+(defvar fill-flowed-encode-tests
+ '(
+ ;; The syntax of each list element is:
+ ;; (INPUT . EXPECTED-OUTPUT)
+ ("> Thou villainous ill-breeding spongy dizzy-eyed
+> reeky elf-skinned pigeon-egg!
+>> Thou artless swag-bellied milk-livered
+>> dismal-dreaming idle-headed scut!
+>>> Thou errant folly-fallen spleeny reeling-ripe
+>>> unmuzzled ratsbane!
+>>>> Henceforth, the coding style is to be strictly
+>>>> enforced, including the use of only upper case.
+>>>>> I've noticed a lack of adherence to the coding
+>>>>> styles, of late.
+>>>>>> Any complaints?
+" . "> Thou villainous ill-breeding spongy dizzy-eyed reeky elf-skinned
+> pigeon-egg!
+>> Thou artless swag-bellied milk-livered dismal-dreaming idle-headed
+>> scut!
+>>> Thou errant folly-fallen spleeny reeling-ripe unmuzzled ratsbane!
+>>>> Henceforth, the coding style is to be strictly enforced,
+>>>> including the use of only upper case.
+>>>>> I've noticed a lack of adherence to the coding styles, of late.
+>>>>>> Any complaints?
+")
+; ("
+;> foo
+;>
+;>
+;> bar
+;" . "
+;> foo bar
+;")
+ ))
+
+(defun fill-flowed-test ()
+ (interactive "")
+ (switch-to-buffer (get-buffer-create "*Format=Flowed test output*"))
+ (erase-buffer)
+ (setq show-trailing-whitespace t)
+ (dolist (test fill-flowed-encode-tests)
+ (let (start output)
+ (insert "***** BEGIN TEST INPUT *****\n")
+ (insert (car test))
+ (insert "***** END TEST INPUT *****\n\n")
+ (insert "***** BEGIN TEST OUTPUT *****\n")
+ (setq start (point))
+ (insert (car test))
+ (save-restriction
+ (narrow-to-region start (point))
+ (fill-flowed))
+ (setq output (buffer-substring start (point-max)))
+ (insert "***** END TEST OUTPUT *****\n")
+ (unless (string= output (cdr test))
+ (insert "\n***** BEGIN TEST EXPECTED OUTPUT *****\n")
+ (insert (cdr test))
+ (insert "***** END TEST EXPECTED OUTPUT *****\n"))
+ (insert "\n\n")))
+ (goto-char (point-max)))