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Fix small bug in 'completion-table-subvert'.

Even for a trivial underlying completion table (where the 'boundaries'
action returns nil), we need to provide nontrivial boundaries so that
they match the behavior of 'all-completions'.

* lisp/minibuffer.el (completion-table-subvert): Return boundaries
even for trivial underlying completion table.
* test/lisp/minibuffer-tests.el (completion-table-subvert-test):
Amend unit test to also test boundaries.  While there, also test
the other completion functions.
This commit is contained in:
Philipp Stephani 2021-04-23 12:52:51 +02:00
parent 804f5acda4
commit 3806d2168b
2 changed files with 7 additions and 2 deletions

View File

@ -271,7 +271,7 @@ the form (concat S2 S)."
(let* ((str (if (string-prefix-p s1 string completion-ignore-case)
(concat s2 (substring string (length s1)))))
(res (if str (complete-with-action action table str pred))))
(when res
(when (or res (eq (car-safe action) 'boundaries))
(cond
((eq (car-safe action) 'boundaries)
(let ((beg (or (and (eq (car-safe res) 'boundaries) (cadr res)) 0)))

View File

@ -83,7 +83,12 @@
(let* ((origtable '("A-hello" "A-there"))
(subvtable (completion-table-subvert origtable "B" "A")))
(should (equal (try-completion "B-hel" subvtable)
"B-hello"))))
"B-hello"))
(should (equal (all-completions "B-hel" subvtable) '("-hello")))
(should (test-completion "B-hello" subvtable))
(should (equal (completion-boundaries "B-hel" subvtable
nil "suffix")
'(1 . 6)))))
(ert-deftest completion-table-test-quoting ()
(let ((process-environment