master 2d58e0e: Add some char-table tests

[Stefan Kangas]

branch: master
commit 2d58e0e803fb5fe397d446d58a0d83f0d35b4fc4
Author: Stefan Kangas <stefan@marxist.se>
Commit: Stefan Kangas <stefan@marxist.se>

    Add some char-table tests
    
    * test/src/chartab-tests.el (chartab-test-char-table-p)
    (chartab-test-char-table-subtype)
    (chartab-test-char-table-parent)
    (chartab-test-char-table-extra-slot): New tests.
---
 test/src/chartab-tests.el | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/test/src/chartab-tests.el b/test/src/chartab-tests.el
index 4d52dc3..0a8d8bc 100644
--- a/test/src/chartab-tests.el
+++ b/test/src/chartab-tests.el
@@ -49,5 +49,25 @@
           (#xe0e00 . #xe0ef6)
           )))
 
+(ert-deftest chartab-test-char-table-p ()
+  (should (char-table-p (make-char-table 'foo)))
+  (should (not (char-table-p (make-hash-table)))))
+
+(ert-deftest chartab-test-char-table-subtype ()
+  (should (eq (char-table-subtype (make-char-table 'foo)) 'foo)))
+
+(ert-deftest chartab-test-char-table-parent ()
+  (should (eq (char-table-parent (make-char-table 'foo)) nil))
+  (let ((parent (make-char-table 'foo))
+        (child (make-char-table 'bar)))
+    (set-char-table-parent child parent)
+    (should (eq (char-table-parent child) parent))))
+
+(ert-deftest chartab-test-char-table-extra-slot ()
+  ;; Use any type with extra slots, e.g. 'case-table.
+  (let ((tbl (make-char-table 'case-table)))
+    (set-char-table-extra-slot tbl 1 'bar)
+    (char-table-extra-slot tbl 1)))
+
 (provide 'chartab-tests)
 ;;; chartab-tests.el ends here