From 2b4491d81a524ab7e5307ffb430d2f7d0c4b1e9f Mon Sep 17 00:00:00 2001
From: shakeelrao <shakeelrao79@gmail.com>
Date: Sun, 24 Mar 2019 00:47:13 -0700
Subject: [PATCH] Add CLI test to validate error

---
 tests/playTests.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/playTests.sh b/tests/playTests.sh
index 493542960..137f1a441 100755
--- a/tests/playTests.sh
+++ b/tests/playTests.sh
@@ -410,6 +410,8 @@ $ECHO "- Create first dictionary "
 TESTFILE=../programs/zstdcli.c
 $ZSTD --train *.c ../programs/*.c -o tmpDict
 cp $TESTFILE tmp
+$ECHO "- Compress dictionary with itself"
+$ZSTD -f tmpDict -D tmpDict | grep "cannot use" && die "expected error : cannot compress dictionary with itself"
 $ECHO "- Dictionary compression roundtrip"
 $ZSTD -f tmp -D tmpDict
 $ZSTD -d tmp.zst -D tmpDict -fo result