diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/test-jumper--location-candidates.el | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/tests/test-jumper--location-candidates.el b/tests/test-jumper--location-candidates.el new file mode 100644 index 000000000..df095830a --- /dev/null +++ b/tests/test-jumper--location-candidates.el @@ -0,0 +1,52 @@ +;;; test-jumper--location-candidates.el --- Tests for jumper--location-candidates -*- lexical-binding: t; -*- + +;;; Commentary: +;; jumper--location-candidates is the (display . index) builder extracted from +;; the verbatim cl-loop in jumper-jump-to-location and jumper-remove-location. +;; It composes jumper--format-location (which now goes through the extracted +;; jumper--with-marker-at). The wrappers cover it transitively; this exercises +;; it directly against stored locations. + +;;; Code: + +(require 'ert) + +(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory)) +(require 'jumper) + +(ert-deftest test-jumper-location-candidates-one-pair-per-stored-location () + "Normal: one (display . index) pair per stored location, indices in order." + (let ((saved-regs jumper--registers) + (saved-idx jumper--next-index)) + (unwind-protect + (progn + (setq jumper--registers (make-vector jumper-max-locations nil) + jumper--next-index 0) + (with-temp-buffer + (insert "line one\nline two\nline three\n") + (goto-char (point-min)) + (should (integerp (jumper--do-store-location))) ; index 0 + (forward-line 2) + (should (integerp (jumper--do-store-location))) ; index 1 + (let ((cands (jumper--location-candidates))) + (should (= (length cands) 2)) + (should (equal (mapcar #'cdr cands) '(0 1))) + (should (stringp (car (nth 0 cands)))) + (should (stringp (car (nth 1 cands))))))) + (setq jumper--registers saved-regs + jumper--next-index saved-idx)))) + +(ert-deftest test-jumper-location-candidates-empty-when-none-stored () + "Boundary: no stored locations yields an empty candidate list." + (let ((saved-regs jumper--registers) + (saved-idx jumper--next-index)) + (unwind-protect + (progn + (setq jumper--registers (make-vector jumper-max-locations nil) + jumper--next-index 0) + (should (null (jumper--location-candidates)))) + (setq jumper--registers saved-regs + jumper--next-index saved-idx)))) + +(provide 'test-jumper--location-candidates) +;;; test-jumper--location-candidates.el ends here |