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lix/tests/lang/eval-okay-replacestrings.nix
Tuomas Tynkkynen 77e9e1ed91 libexpr: Fix prim_replaceStrings() to work on an empty source string
Otherwise, running e.g.

nix-instantiate --eval -E --strict 'builtins.replaceStrings [""] ["X"] "abc"'

would just hang in an infinite loop.

Found by afl-fuzz.

First attempt of this was reverted in e2d71bd186 because it caused
another infinite loop, which is fixed now and a test added.
2018-02-26 19:49:13 +02:00

12 lines
344 B
Nix

with builtins;
[ (replaceStrings ["o"] ["a"] "foobar")
(replaceStrings ["o"] [""] "foobar")
(replaceStrings ["oo"] ["u"] "foobar")
(replaceStrings ["oo" "a"] ["a" "oo"] "foobar")
(replaceStrings ["oo" "oo"] ["u" "i"] "foobar")
(replaceStrings [""] ["X"] "abc")
(replaceStrings [""] ["X"] "")
(replaceStrings ["-"] ["_"] "a-b")
]