From: Yann Collet <cyan@fb.com>
Date: Fri, 29 Dec 2017 16:40:36 +0000 (+0100)
Subject: add test case which reliably produces btlazy2 rescale overflow bug
X-Git-Tag: v1.3.4~1^2~87^2~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4c7f137bd2790815b3536776bbd86556bcdc9066;p=thirdparty%2Fzstd.git

add test case which reliably produces btlazy2 rescale overflow bug

The unsorted_mark is handled like any index,
which fails after a rescale.
---

diff --git a/tests/playTests.sh b/tests/playTests.sh
index c93c58fe8..fa1efeb59 100755
--- a/tests/playTests.sh
+++ b/tests/playTests.sh
@@ -712,6 +712,7 @@ roundTripTest -g18000018 -P94 18
 roundTripTest -g18000019 -P96 19
 
 roundTripTest -g5000000000 -P99 1
+roundTripTest -g1700000000 -P0 "1 --zstd=strategy=6"   # ensure btlazy2 can survive an overflow rescale
 
 fileRoundTripTest -g4193M -P99 1