From 9b1f2439845e5627a00fb816244af06d77c2d70a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20H=C3=B6gberg?= <john@erlang.org>
Date: Wed, 1 Nov 2017 16:53:51 +0100
Subject: Only apply EOS behaviors if there's pending data

---
 lib/kernel/test/zlib_SUITE.erl | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib/kernel/test/zlib_SUITE.erl')

diff --git a/lib/kernel/test/zlib_SUITE.erl b/lib/kernel/test/zlib_SUITE.erl
index 1afcd155b3..b20d64ec6a 100644
--- a/lib/kernel/test/zlib_SUITE.erl
+++ b/lib/kernel/test/zlib_SUITE.erl
@@ -652,6 +652,11 @@ api_g_un_zip(Config) when is_list(Config) ->
     Concatenated = <<Bin/binary, Bin/binary>>,
     ?m(Concatenated, zlib:gunzip([Comp, Comp])),
 
+    %% Don't explode if the uncompressed size is a perfect multiple of the
+    %% internal inflate chunk size.
+    ChunkSizedData = <<0:16384/unit:8>>,
+    ?m(ChunkSizedData, zlib:gunzip(zlib:gzip(ChunkSizedData))),
+
     %% Bad CRC; bad length.
     BadCrc = bad_crc_data(),
     ?m(?EXIT(data_error),(catch zlib:gunzip(BadCrc))),
-- 
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