1 files changed, 54 insertions, 0 deletions
diff --git a/tests/truncate/truncate-parameters.sh b/tests/truncate/truncate-parameters.sh
new file mode 100755
index 0000000..a7f5685
--- /dev/null
+++ b/tests/truncate/truncate-parameters.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+# Validate truncate parameter combinations
+
+# Copyright (C) 2008-2023 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 <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ truncate
+
+
+# must specify at least 1 file
+returns_ 1 truncate --size=0 || fail=1
+
+# must specify size. don't default to 0
+returns_ 1 truncate file || fail=1
+
+# mixture of absolute size & reference not allowed
+returns_ 1 truncate --size=0 --reference=file file || fail=1
+
+# blocks without size is not valid
+returns_ 1 truncate --io-blocks --reference=file file || fail=1
+
+# must specify valid numbers
+returns_ 1 truncate --size="invalid" file || fail=1
+
+# spaces not significant around size
+returns_ 1 truncate --size="> -1" file || fail=1
+truncate --size=" >1" file || fail=1 #file now 1
+truncate --size=" +1" file || fail=1 #file now 2
+test $(stat --format %s file) = 2 || fail=1
+
+# reference allowed with relative size
+truncate --size=" +1" -r file file || fail=1 #file now 3
+test $(stat --format %s file) = 3 || fail=1
+
+# reference allowed alone also
+truncate -r file file || fail=1 #file still 3
+test $(stat --format %s file) = 3 || fail=1
+truncate -r file file2 || fail=1 #file2 now 3
+test $(stat --format %s file2) = 3 || fail=1
+
+Exit $fail