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-rw-r--r--tests/015/comb.tl12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/015/comb.tl b/tests/015/comb.tl
index 8b9208e9..efe0cfec 100644
--- a/tests/015/comb.tl
+++ b/tests/015/comb.tl
@@ -492,3 +492,15 @@
(each ((i 0..6))
(each ((o [list s v l]))
(vtest (list-seq [fi o i]) [fn o i])))))
+
+(each ((fi [list combi rcombi permi rpermi]))
+ (let* ((i0 [fi '(0 1 2 3 4) 1])
+ (i1 (copy-iter i0))
+ (i2 (iter-step (copy-iter i1)))
+ (l0 (list-seq i0))
+ (l1 (list-seq i1))
+ (l2 (list-seq i2)))
+ (mtest
+ (equal l0 l1) t
+ (equal l1 l2) nil
+ (equal (cdr l1) l2) t)))