1 files changed, 72 insertions, 0 deletions
diff --git a/tests/misc/sort-compress.sh b/tests/misc/sort-compress.sh
new file mode 100755
index 0000000..537480a
--- /dev/null
+++ b/tests/misc/sort-compress.sh
@@ -0,0 +1,72 @@
+#!/bin/sh
+# Test use of compression by sort
+
+# Copyright (C) 2007-2016 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
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# 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/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ sort
+require_trap_signame_
+
+seq -w 2000 > exp || framework_failure_
+tac exp > in || framework_failure_
+
+# This should force the use of temp files
+sort -S 1k in > out || fail=1
+compare exp out || fail=1
+
+# Create our own gzip program that will be used as the default
+cat <<EOF > gzip || fail=1
+#!$SHELL
+tr 41 14
+touch ok
+EOF
+
+chmod +x gzip
+
+# Ensure 'sort' is immune to parent's SIGCHLD handler
+# Use a subshell and an exec to work around a bug in FreeBSD 5.0 /bin/sh.
+(
+  trap '' CHLD
+
+  # This should force the use of child processes for "compression"
+  PATH=.:$PATH exec sort -S 1k --compress-program=gzip in > /dev/null
+) || fail=1
+
+# This will find our new gzip in PATH
+PATH=.:$PATH sort -S 1k --compress-program=gzip in > out || fail=1
+compare exp out || fail=1
+test -f ok || fail=1
+rm -f ok
+
+# This is to make sure it works with no compression.
+PATH=.:$PATH sort -S 1k in > out || fail=1
+compare exp out || fail=1
+test -f ok && fail=1
+
+# This is to make sure we can use something other than gzip
+mv gzip dzip || fail=1
+sort --compress-program=./dzip -S 1k in > out || fail=1
+compare exp out || fail=1
+test -f ok || fail=1
+rm -f ok
+
+# Make sure it can find other programs in PATH correctly
+PATH=.:$PATH sort --compress-program=dzip -S 1k in > out || fail=1
+compare exp out || fail=1
+test -f ok || fail=1
+rm -f dzip ok
+
+Exit $fail