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[functional-tests] Improve (thin create devices-in-reverse-order)

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This commit is contained in:
Joe Thornber 2017-12-19 17:25:10 +00:00
parent 2fe7a884a2
commit fa8d691744
1 changed files with 8 additions and 9 deletions
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17
functional-tests/device-mapper/dm-tests.scm
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@ -590,24 +590,23 @@
(kilo 64))
#t)))
;; Chasing a bug in btree_split_beneath()
;; Chasing a bug in btree_split_beneath(). This triggers when a value
;; smaller than the rest of the tree is inserted and the
;; btree_split_beneath() path is taken. The newly inserted key will not be
;; present. Once another low key is inserted that doesn't take the split
;; beneath path the missing value reappears.
(define-dm-scenario (thin create devices-in-reverse-order)
"Keep adding a key that's lower than what's in the tree."
(with-pool (pool (default-md-table (gig 1))
(default-data-table)
(kilo 64))
(let ((count 10000))
(let ((count 300))
(let loop ((n count))
(unless (zero? n)
(info "creating thin " n)
(create-thin pool n)
(loop (- n 2))))
;; Check they're all still there
(let loop ((n count))
(unless (zero? n)
(info "deleting thin " n)
(delete-thin pool n)
(loop (- n 2)))))))
(with-thin (thin pool n (gig 1)) #t) ; activate to check it's there
(loop (- n 1)))))))
;;;-----------------------------------------------------------
;;; Thin deletion scenarios