-- Negative tests
-- Const arrays
23
3
101
[1,2,3,4]
[4,3,2,1]
([4,3,2,1],[1,2,3,4])
([1,3,5],[2,4,6])
-- Non-const arrays
0
1
3
6
10
[]
[0]
[1,0]
[2,1,0]
[3,2,1,0]
[]
[0]
[1,0]
[1,0,2]
[3,1,0,2]
-- Bug 57458
abcdef	['c']	3
ghijkl	['h','k']	5
mnopqr	['n']	2
xxx..yyy..	['xxx','yyy']	6
..........	[]	0
..xx..yyy.	['xx','yyy']	7
..........	[]	0
xxx.......	['xxx']	1
 -- Bug 57816
[]