X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=tests%2Fzdiff;fp=tests%2Fzdiff;h=baa827fb0a1e9c993d98b61d504dd950f5155244;hb=a8a88eddaa90432e6ec1b8d9d5c9842bc91afd1d;hp=0bb7c7dfdcf93ecd2614521a941a962871465907;hpb=20fcfc81ece044b8b0a6768ec6cf47be4e22a2e6;p=debian%2Fgzip

diff --git a/tests/zdiff b/tests/zdiff
index 0bb7c7d..baa827f 100755
--- a/tests/zdiff
+++ b/tests/zdiff
@@ -2,7 +2,7 @@
 # Exercise zdiff with two compressed inputs.
 # Before gzip-1.4, this would fail.
 
-# Copyright (C) 2009-2016 Free Software Foundation, Inc.
+# Copyright (C) 2009-2018 Free Software Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -15,14 +15,13 @@
 # GNU General Public License for more details.
 
 # You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
 # limit so don't run it by default.
 
 . "${srcdir=.}/init.sh"; path_prepend_ ..
 
 echo a > a || framework_failure_
 echo b > b || framework_failure_
-gzip a b || framework_failure_
 
 cat <<EOF > exp
 1c1
@@ -31,9 +30,11 @@ cat <<EOF > exp
 > b
 EOF
 
+diff a b | diff exp - || skip_ "diff output format is incompatible with POSIX"
+
 fail=0
-zdiff a.gz b.gz > out 2>&1
-test $? = 1 || fail=1
+gzip a b || fail=1
+returns_ 1 zdiff a.gz b.gz > out 2>&1 || fail=1
 
 compare exp out || fail=1