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authorTuomas Tynkkynen <tuomas@tuxera.com>2018-02-19T15·52+0200
committerTuomas Tynkkynen <tuomas@tuxera.com>2018-02-19T21·20+0200
commit4ea9707591beceacf9988b3c185faf50da238403 (patch)
tree638c7c3572b6fd3801191aa318e4a86655071000 /tests/lang/eval-okay-replacestrings.nix
parent1d0e42879fa687a7b6856b1a63070e44bd8ed5c4 (diff)
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.
Diffstat (limited to 'tests/lang/eval-okay-replacestrings.nix')
-rw-r--r--tests/lang/eval-okay-replacestrings.nix2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/lang/eval-okay-replacestrings.nix b/tests/lang/eval-okay-replacestrings.nix
index 6284a0e660ae..c84e9269ff30 100644
--- a/tests/lang/eval-okay-replacestrings.nix
+++ b/tests/lang/eval-okay-replacestrings.nix
@@ -5,4 +5,6 @@ with builtins;
   (replaceStrings ["oo"] ["u"] "foobar")
   (replaceStrings ["oo" "a"] ["a" "oo"] "foobar")
   (replaceStrings ["oo" "oo"] ["u" "i"] "foobar")
+  (replaceStrings [""] ["X"] "abc")
+  (replaceStrings [""] ["X"] "")
 ]