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-rwxr-xr-xtests/misc/head-c.sh14
1 files changed, 13 insertions, 1 deletions
diff --git a/tests/misc/head-c.sh b/tests/misc/head-c.sh
index d6433d0d..a553a55b 100755
--- a/tests/misc/head-c.sh
+++ b/tests/misc/head-c.sh
@@ -1,7 +1,7 @@
#!/bin/sh
# exercise head -c
-# Copyright (C) 2001-2014 Free Software Foundation, Inc.
+# Copyright (C) 2001-2015 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
@@ -42,4 +42,16 @@ esac
# based on the value passed to -c
(ulimit -v 20000; head --bytes=-$SSIZE_MAX < /dev/null) || fail=1
+# Make sure it works on funny files in /proc and /sys.
+
+for file in /proc/version /sys/kernel/profiling; do
+ if test -r $file; then
+ cp -f $file copy &&
+ head -c -1 copy > exp1 || framework_failure_
+
+ head -c -1 $file > out1 || fail=1
+ compare exp1 out1 || fail=1
+ fi
+done
+
Exit $fail