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-rw-r--r--test/test_parser.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/test/test_parser.hs b/test/test_parser.hs
index de9883e..397248f 100644
--- a/test/test_parser.hs
+++ b/test/test_parser.hs
@@ -61,6 +61,8 @@ instance Arbitrary PGN
sensibleString = listOf $ choose ('a', 'z')
+ shrink pgn = [pgn {moves=ms} | ms <- shrink $ moves pgn]
+
main = quickCheck (withMaxSuccess 10000 checkPGN)
where
checkPGN :: PGN -> Bool