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-rw-r--r--tests/012/seq.tl12
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/012/seq.tl b/tests/012/seq.tl
index c831e6c5..86980e57 100644
--- a/tests/012/seq.tl
+++ b/tests/012/seq.tl
@@ -1624,3 +1624,15 @@
(test
(copy 1..10) #(1 2 3 4 5 6 7 8 9))
+
+(mtest
+ (length "A".."A") 1
+ (length "A".."B") 2
+ (length "B".."A") 2
+ (length "AA".."AA") 1
+ (length "AA".."AB") 2
+ (length "AB".."AA") 2
+ (length "A".."Z") 26
+ (length "Z".."A") 26
+ (length "AAA".."ZZZ") 17576
+ (length "ZZZ".."AAA") 17576)