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-rwxr-xr-xtests/split/r-chunk.sh66
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diff --git a/tests/split/r-chunk.sh b/tests/split/r-chunk.sh
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+#!/bin/sh
+# test splitting into round-robin chunks
+
+# Copyright (C) 2010-2012 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/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+print_ver_ split
+
+require_ulimit_
+
+# N can be greater than the file size
+# in which case no data is extracted, or empty files are written
+split -n r/10 /dev/null || fail=1
+test "$(stat -c %s x* | uniq -c | sed 's/^ *//; s/ /x/')" = "10x0" || fail=1
+rm x??
+
+# Ensure --elide-empty-files is honored
+split -e -n r/10 /dev/null || fail=1
+stat x?? 2>/dev/null && fail=1
+
+printf '1\n2\n3\n4\n5\n' > in || framework_failure_
+
+split -n r/3 in > out || fail=1
+test -s out && fail=1
+
+split -n r/1/3 in > r1 || fail=1
+split -n r/2/3 in > r2 || fail=1
+split -n r/3/3 in > r3 || fail=1
+
+printf '1\n4\n' > exp-1
+printf '2\n5\n' > exp-2
+printf '3\n' > exp-3
+
+compare exp-1 xaa || fail=1
+compare exp-2 xab || fail=1
+compare exp-3 xac || fail=1
+compare exp-1 r1 || fail=1
+compare exp-2 r2 || fail=1
+compare exp-3 r3 || fail=1
+test -f xad && fail=1
+
+# Test input without trailing \n
+printf '1\n2\n3\n4\n5' | split -n r/2/3 > out
+printf '2\n5' > exp
+compare exp out || fail=1
+
+# Ensure we fall back to appending to a file at a time
+# if we hit the limit for the number of open files.
+rm x*
+(ulimit -n 20 && yes | head -n90 | split -n r/30 ) || fail=1
+test "$(stat -c %s x* | uniq -c | sed 's/^ *//; s/ /x/')" = "30x6" || fail=1
+
+Exit $fail