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-rw-r--r--Lib/test/test_zlib.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/Lib/test/test_zlib.py b/Lib/test/test_zlib.py
index 8881516..35bca88 100644
--- a/Lib/test/test_zlib.py
+++ b/Lib/test/test_zlib.py
@@ -41,6 +41,12 @@ buf = buf * 16
co = zlib.compressobj(8, 8, -15)
x1 = co.compress(buf)
x2 = co.flush()
+try:
+ co.flush()
+ print "Oops - second flush worked when it should not have!"
+except zlib.error:
+ pass
+
x = x1 + x2
dc = zlib.decompressobj(-15)