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-rw-r--r--test/lisp/emacs-lisp/seq-tests.el37
1 files changed, 37 insertions, 0 deletions
diff --git a/test/lisp/emacs-lisp/seq-tests.el b/test/lisp/emacs-lisp/seq-tests.el
index deb2829db45..ef05e2b389d 100644
--- a/test/lisp/emacs-lisp/seq-tests.el
+++ b/test/lisp/emacs-lisp/seq-tests.el
@@ -185,6 +185,18 @@ Evaluate BODY for each created sequence.
(with-test-sequences (seq '(3 4 5 6))
(should (= 5 (seq-contains seq 5)))))
+(ert-deftest test-seq-contains-p ()
+ (with-test-sequences (seq '(3 4 5 6))
+ (should (eq (seq-contains-p seq 3) t))
+ (should-not (seq-contains-p seq 7)))
+ (with-test-sequences (seq '())
+ (should-not (seq-contains-p seq 3))
+ (should-not (seq-contains-p seq nil))))
+
+(ert-deftest test-seq-contains-p-with-nil ()
+ (should (seq-contains-p [nil] nil))
+ (should (seq-contains-p '(nil) nil)))
+
(ert-deftest test-seq-every-p ()
(with-test-sequences (seq '(43 54 22 1))
(should (seq-every-p (lambda (elt) t) seq))
@@ -424,5 +436,30 @@ Evaluate BODY for each created sequence.
(should (eq (seq-into vec 'vector) vec))
(should (eq (seq-into str 'string) str))))
+(ert-deftest test-seq-first ()
+ (let ((lst '(1 2 3))
+ (vec [1 2 3]))
+ (should (eq (seq-first lst) 1))
+ (should (eq (seq-first vec) 1))))
+
+(ert-deftest test-seq-rest ()
+ (let ((lst '(1 2 3))
+ (vec [1 2 3]))
+ (should (equal (seq-rest lst) '(2 3)))
+ (should (equal (seq-rest vec) [2 3]))))
+
+;; Regression tests for bug#34852
+(progn
+ (ert-deftest test-seq-intersection-with-nil ()
+ (should (equal (seq-intersection '(1 2 nil) '(1 nil)) '(1 nil))))
+
+ (ert-deftest test-seq-set-equal-p-with-nil ()
+ (should (seq-set-equal-p '("a" "b" nil)
+ '(nil "b" "a"))))
+
+ (ert-deftest test-difference-with-nil ()
+ (should (equal (seq-difference '(1 nil) '(2 nil))
+ '(1)))))
+
(provide 'seq-tests)
;;; seq-tests.el ends here