From f946783338f80026f6f04e4badf385ea35480fda Mon Sep 17 00:00:00 2001
From: Oleg Grenrus <oleg.grenrus@iki.fi>
Date: Sun, 5 Jul 2015 23:38:13 +0300
Subject: [PATCH] Fix #2704

Code branch with zlib <0.6 cannot recognise the uncompressed input.
---
 cabal-install/tests/UnitTests/Distribution/Client/GZipUtils.hs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cabal-install/tests/UnitTests/Distribution/Client/GZipUtils.hs b/cabal-install/tests/UnitTests/Distribution/Client/GZipUtils.hs
index 19808233db..00beb1d252 100644
--- a/cabal-install/tests/UnitTests/Distribution/Client/GZipUtils.hs
+++ b/cabal-install/tests/UnitTests/Distribution/Client/GZipUtils.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 module UnitTests.Distribution.Client.GZipUtils (
   tests
   ) where
@@ -20,7 +21,9 @@ import Test.Tasty.QuickCheck
 
 tests :: [TestTree]
 tests = [ testCase "maybeDecompress" maybeDecompressUnitTest
+#if MIN_VERSION_zlib(0,6,0)
         , testProperty "decompress plain" prop_maybeDecompress_plain
+#endif
         , testProperty "decompress zlib"  prop_maybeDecompress_zlib
         , testProperty "decompress gzip"  prop_maybeDecompress_gzip
         ]
-- 
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