1 files changed, 76 insertions, 0 deletions
diff --git a/tests/split/suffix-length.sh b/tests/split/suffix-length.sh
new file mode 100755
index 0000000..bb2f9fa
--- /dev/null
+++ b/tests/split/suffix-length.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+# Show that split -a works.
+
+# Copyright (C) 2002-2022 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_ split
+
+a_z='a b c d e f g h i j k l m n o p q r s t u v w x y z'
+
+# Generate a 27-byte file
+printf %s $a_z 0 |tr -d ' ' > in || framework_failure_
+
+files=
+for i in $a_z; do
+  files="${files}xa$i "
+done
+files="${files}xba"
+
+for f in $files; do
+  printf "creating file '%s'"'\n' $f
+done > exp || framework_failure_
+
+echo split: output file suffixes exhausted \
+  > exp-too-short || framework_failure_
+
+
+# This should fail.
+split -b 1 -a 1 in 2> err && fail=1
+test -f xa || fail=1
+test -f xz || fail=1
+test -f xaa && fail=1
+test -f xaz && fail=1
+rm -f x*
+compare exp-too-short err || fail=1
+
+# With a longer suffix, it must succeed.
+split --verbose -b 1 -a 2 in > err || fail=1
+compare exp err || fail=1
+
+# Ensure that xbb is *not* created.
+test -f xbb && fail=1
+
+# Ensure that the 27 others files *were* created, and with expected contents.
+n=1
+for f in $files; do
+  expected_byte=$(cut -b $n in)
+  b=$(cat $f) || fail=1
+  test "$b" = "$expected_byte" || fail=1
+  n=$(expr $n + 1)
+done
+
+# Ensure that -a is independent of -[bCl]
+split -a2 -b1000 < /dev/null || fail=1
+split -a2 -l1000 < /dev/null || fail=1
+split -a2 -C1000 < /dev/null || fail=1
+
+# Ensure that -a fails early with a -n that is too large
+rm -f x*
+returns_ 1 split -a2 -n1000 < /dev/null || fail=1
+test -f xaa && fail=1
+
+Exit $fail