1 files changed, 49 insertions, 0 deletions
diff --git a/tests/misc/shred-exact.sh b/tests/misc/shred-exact.sh
new file mode 100755
index 0000000..8f163cc
--- /dev/null
+++ b/tests/misc/shred-exact.sh
@@ -0,0 +1,49 @@
+#!/bin/sh
+# Test functionality of --exact
+
+# Copyright (C) 2000-2016 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_ shred
+
+
+# make sure that neither --exact nor --zero gobbles a command line argument
+for opt in --exact --zero; do
+  echo a > a || fail=1
+  echo bb > b || fail=1
+  echo ccc > c || fail=1
+
+  shred --remove $opt a b || fail=1
+  test -f a && fail=1
+  test -f b && fail=1
+
+  shred --remove $opt c || fail=1
+  test -f c && fail=1
+done
+
+
+# make sure direct I/O is handled appropriately at end of file
+# Create a 1MiB file as we'll probably not be using blocks larger than that
+# (i.e., we want to test failed writes not at the start).
+truncate -s1MiB file.slop || framework_failure_
+truncate -s+1 file.slop || framework_failure_
+shred --exact -n2 file.slop || fail=1
+
+# make sure direct I/O is handled appropriately at start of file
+truncate -s1 file.slop || framework_failure_
+shred --exact -n2 file.slop || fail=1
+
+Exit $fail