Adding upstream version 9.1.upstream/9.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

13 files changed, 910 insertions, 0 deletions

diff --git a/tests/split/additional-suffix.sh b/tests/split/additional-suffix.sh
new file mode 100755
index 0000000..8cc8179
--- /dev/null
+++ b/tests/split/additional-suffix.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+# show that 'split --additional-suffix=SUFFIX' works.
+
+# Copyright (C) 2012-2022 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
+
+printf '1\n2\n3\n4\n5\n' > in || framework_failure_
+
+split --lines=2 --additional-suffix=.txt in > out || fail=1
+cat <<\EOF > exp-1
+1
+2
+EOF
+cat <<\EOF > exp-2
+3
+4
+EOF
+cat <<\EOF > exp-3
+5
+EOF
+
+compare exp-1 xaa.txt || fail=1
+compare exp-2 xab.txt || fail=1
+compare exp-3 xac.txt || fail=1
+
+# Additional suffix must not contain slash
+returns_ 1 split --lines=2 --additional-suffix=a/b in 2>/dev/null >out || fail=1
+
+Exit $fail
diff --git a/tests/split/b-chunk.sh b/tests/split/b-chunk.sh
new file mode 100755
index 0000000..4e7caf3
--- /dev/null
+++ b/tests/split/b-chunk.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+# test splitting into 3 chunks
+
+# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+
+# N can be greater than the file size
+# in which case no data is extracted, or empty files are written
+split -n 10 /dev/null || fail=1
+test "$(stat -c %s x* | uniq -c | sed 's/^ *//; s/ /x/')" = "10x0" || fail=1
+rm -f x??
+
+# When extracting K of N where N > file size
+# no data is extracted, and no files are written
+split -n 2/3 /dev/null || fail=1
+returns_ 1 stat x?? 2>/dev/null || fail=1
+
+# Ensure --elide-empty-files is honored
+split -e -n 10 /dev/null || fail=1
+returns_ 1 stat x?? 2>/dev/null || fail=1
+
+printf '1\n2\n3\n4\n5\n' > input || framework_failure_
+printf '1\n2' > exp-1 || framework_failure_
+printf '\n3\n' > exp-2 || framework_failure_
+printf '4\n5\n' > exp-3 || framework_failure_
+
+for file in input /proc/version /sys/kernel/profiling; do
+  test -f $file || continue
+
+  for blksize in 1 2 4096; do
+    if ! test "$file" = 'input'; then
+      # For /proc like files we must be able to read all
+      # into the internal buffer to be able to determine size.
+      test "$blksize" = 4096 || continue
+    fi
+
+    split -n 3 ---io-blksize=$blksize $file > out || fail=1
+    split -n 1/3 ---io-blksize=$blksize $file > b1 || fail=1
+    split -n 2/3 ---io-blksize=$blksize $file > b2 || fail=1
+    split -n 3/3 ---io-blksize=$blksize $file > b3 || fail=1
+
+    case $file in
+      input)
+        compare exp-1 xaa || fail=1
+        compare exp-2 xab || fail=1
+        compare exp-3 xac || fail=1
+        ;;
+    esac
+
+    compare xaa b1 || fail=1
+    compare xab b2 || fail=1
+    compare xac b3 || fail=1
+    cat xaa xab xac | compare - $file || fail=1
+    test -f xad && fail=1
+  done
+done
+
+Exit $fail
diff --git a/tests/split/fail.sh b/tests/split/fail.sh
new file mode 100755
index 0000000..3753495
--- /dev/null
+++ b/tests/split/fail.sh
@@ -0,0 +1,81 @@
+#!/bin/sh
+# split must fail when given length/count of zero.
+
+# Copyright (C) 2003-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+getlimits_
+
+touch in || framework_failure_
+
+
+split -a 0 in 2> /dev/null || fail=1
+returns_ 1 split -b 0 in 2> /dev/null || fail=1
+returns_ 1 split -C 0 in 2> /dev/null || fail=1
+returns_ 1 split -l 0 in 2> /dev/null || fail=1
+returns_ 1 split -n 0 in 2> /dev/null || fail=1
+returns_ 1 split -n 1/0 in 2> /dev/null || fail=1
+returns_ 1 split -n 0/1 in 2> /dev/null || fail=1
+returns_ 1 split -n 2/1 in 2> /dev/null || fail=1
+
+# Make sure -C doesn't create empty files.
+rm -f x?? || fail=1
+echo x | split -C 1 || fail=1
+test -f xaa && test -f xab || fail=1
+test -f xac && fail=1
+
+# Make sure that the obsolete -N notation still works
+split -1 in 2> /dev/null || fail=1
+
+# Then make sure that -0 evokes a failure.
+returns_ 1 split -0 in 2> /dev/null || fail=1
+
+split --lines=$UINTMAX_MAX in || fail=1
+split --bytes=$OFF_T_MAX in || fail=1
+returns_ 1 split --line-bytes=$OFF_T_OFLOW 2> /dev/null in || fail=1
+returns_ 1 split --line-bytes=$SIZE_OFLOW 2> /dev/null in || fail=1
+if truncate -s$SIZE_OFLOW large; then
+  # Ensure we can split chunks of a large file on 32 bit hosts
+  split --number=$SIZE_OFLOW/$SIZE_OFLOW large >/dev/null || fail=1
+fi
+split --number=r/$UINTMAX_MAX/$UINTMAX_MAX </dev/null >/dev/null || fail=1
+returns_ 1 split --number=r/$UINTMAX_OFLOW </dev/null 2>/dev/null || fail=1
+
+# Make sure that a huge obsolete option evokes the right failure.
+split -99999999999999999991 2> out
+
+# On losing systems (x86 Solaris 5.9 c89), we get a message like this:
+#   split: line count option -9999999999... is too large
+# while on most, we get this:
+#   split: line count option -99999999999999999991... is too large
+# so map them both to -99*.
+sed 's/99[19]*/99*/' out > out-t
+mv -f out-t out
+
+cat <<\EOF > exp
+split: line count option -99*... is too large
+EOF
+compare exp out || fail=1
+
+# Make sure split fails when it can't read input
+# (the current directory in this case)
+if ! cat . >/dev/null; then
+  # can't read() directories
+  returns_ 1 split . || fail=1
+fi
+
+Exit $fail
diff --git a/tests/split/filter.sh b/tests/split/filter.sh
new file mode 100755
index 0000000..66a93ac
--- /dev/null
+++ b/tests/split/filter.sh
@@ -0,0 +1,80 @@
+#!/bin/sh
+# Exercise split's new --filter option.
+
+# Copyright (C) 2011-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+require_sparse_support_ # for 'truncate --size=$LARGE'
+xz --version || skip_ 'xz required'
+
+for total_n_lines in 5 3000 20000; do
+  seq $total_n_lines > in || framework_failure_
+  for i in 2 51 598; do
+
+    # Don't create too many files/processes.
+    # Starting 10k (or even "only" 1500) processes would take a long time,
+    # and would provide little added benefit.
+    case $i:$total_n_lines in 2:5);; *) continue;; esac
+
+    split -l$i --filter='xz -1 > $FILE.xz' in out- || fail=1
+    xz -dc out-* > out || fail=1
+    compare in out || fail=1
+    rm -f out*
+  done
+  rm -f in
+done
+
+# Show how --elide-empty-files works with --filter:
+# split does not run the command (and effectively elides the file)
+# only when the output to that command would have been empty.
+split -e -n 10 --filter='xz > $FILE.xz' /dev/null || fail=1
+returns_ 1 stat x?? 2>/dev/null || fail=1
+
+# Ensure this invalid combination is flagged
+returns_ 1 split -n 1/2 --filter='true' /dev/null 2>&1 || fail=1
+
+# Ensure SIGPIPEs sent by the children don't propagate back
+# where they would result in a non zero exit from split.
+yes | head -n200K | split -b1G --filter='head -c1 >/dev/null' || fail=1
+
+# Ensure that "endless" input is ignored when all filters finish
+for mode in '' 'r/'; do
+  in_file='-'
+  in_cmd='yes'
+  if test "$mode" = ''; then
+    in_file='zero.in'
+    in_cmd='true'
+    truncate -s10T "$FILE" || continue
+  fi
+  for N in 1 2; do
+    rm -f x??.n || framework_failure_
+    $in_cmd |
+     timeout 10 split --filter='head -c1 >$FILE.n' -n $mode$N $in_file || fail=1
+    # Also ensure we get appropriate output from each filter
+    seq 1 $N | tr '0-9' 1 > stat.exp
+    stat -c%s x??.n > stat.out || framework_failure_
+    compare stat.exp stat.out || fail=1
+  done
+done
+
+# Ensure that "endless" input _is_ processed for unbounded number of filters
+for buf in 1000 1000000; do
+  returns_ 124 timeout .5 sh -c \
+    "yes | split --filter='head -c1 >/dev/null' -b $buf" || fail=1
+done
+
+Exit $fail
diff --git a/tests/split/guard-input.sh b/tests/split/guard-input.sh
new file mode 100755
index 0000000..812b6a5
--- /dev/null
+++ b/tests/split/guard-input.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+# ensure split doesn't overwrite input with output.
+
+# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+
+seq 10 | tee exp-1 > xaa
+ln -s xaa in2
+ln xaa in3
+
+returns_ 1 split -C 6 xaa || fail=1
+returns_ 1 split -C 6 in2 || fail=1
+returns_ 1 split -C 6 in3 || fail=1
+returns_ 1 split -C 6 - < xaa || fail=1
+
+compare exp-1 xaa || fail=1
+
+Exit $fail
diff --git a/tests/split/l-chunk.sh b/tests/split/l-chunk.sh
new file mode 100755
index 0000000..0e9d236
--- /dev/null
+++ b/tests/split/l-chunk.sh
@@ -0,0 +1,142 @@
+#!/bin/sh
+# test splitting into newline delineated chunks (-n l/...)
+
+# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+
+# invalid number of chunks
+echo "split: invalid number of chunks: '1o'" > exp
+returns_ 1 split -n l/1o 2>err || fail=1
+compare exp err || fail=1
+
+echo "split: -: cannot determine file size" > exp
+: | returns_ 1 split -n l/1 2>err || fail=1
+compare exp err || fail=1
+
+# N can be greater than the file size
+# in which case no data is extracted, or empty files are written
+split -n l/10 /dev/null || fail=1
+test "$(stat -c %s x* | uniq -c | sed 's/^ *//; s/ /x/')" = "10x0" || fail=1
+rm x??
+
+# 'split' should reject any attempt to create an infinitely
+# long output file.
+returns_ 1 split -n l/2 /dev/zero || fail=1
+rm x??
+
+# Repeat the above,  but with 1/2, not l/2:
+returns_ 1 split -n 1/2 /dev/zero || fail=1
+rm x??
+
+# Ensure --elide-empty-files is honored
+split -e -n l/10 /dev/null || fail=1
+returns_ 1 stat x?? 2>/dev/null || fail=1
+
+# 80 bytes. ~ transformed to \n below
+lines=\
+12345~1~12345~1~12345~1~12345~1~12345~~~12345~1~12345~1~12345~1~12345~1~12345~1~
+
+printf "%s" "$lines" | tr '~' '\n' > in || framework_failure_
+
+echo "split: invalid chunk number: '16'" > exp
+returns_ 1 split -n l/16/15 in 2>err.t || fail=1
+sed "s/': .*/'/" < err.t > err || framework_failure_
+compare exp err || fail=1
+
+printf '%s' "\
+14 16 09 15 16 10
+14 08 08 10 14 08 08 10
+06 08 08 02 06 08 08 02 06 08 08 10
+06 08 02 06 08 00 08 02 06 08 02 06 08 00 10
+06 00 08 00 02 06 00 02 06 00 08 00 01 07 00 02 06 00 08 00 02 16
+" > exp || framework_failure_
+
+sed 's/00 *//g' exp > exp.elide_empty || framework_failure_
+
+DEBUGGING=
+test "$DEBUGGING" && test "$VERBOSE" && set +x
+for ELIDE_EMPTY in '' '-e'; do
+  for IO_BLKSIZE in 1 2 5 10 80 100; do
+    > out
+    test "$DEBUGGING" && printf "\n---io-blk-size=$IO_BLKSIZE $ELIDE_EMPTY\n"
+    for N in 6 8 12 15 22; do
+      rm -f x*
+
+      if test -z "$ELIDE_EMPTY"; then
+        split ---io-blksize=$IO_BLKSIZE -n l/2/$N in > chunk.k
+        returns_ 1 stat x* 2>/dev/null || fail=1
+      fi
+
+      split ---io-blksize=$IO_BLKSIZE $ELIDE_EMPTY -n l/$N in
+      echo $(stat -c "%02s" x*) >> out
+
+      if test -z "$ELIDE_EMPTY"; then
+        compare chunk.k xab || fail=1
+      fi
+
+      if test "$DEBUGGING"; then
+        # Output partition pattern
+        size=$(printf "%s" "$lines" | wc -c)
+        chunk_size=$(($size/$N))
+        end_size=$(($chunk_size + ($size % $N)))
+        {
+          yes "$(printf %${chunk_size}s ])" | head -n$(($N-1))
+          printf %${end_size}s ]
+        } | tr -d '\n' | sed "s/\\(^.\\{1,$size\\}\\).*/\\1/"
+        echo
+
+        # Output pattern generated for comparison
+        for s in $(stat -c "%s" x*); do
+          #s=0 transitions are not shown
+          test "$m" = "_" && m=- || m=_
+          printf "%${s}s" '' | tr ' ' $m
+        done
+        echo
+
+        # Output lines for reference
+        echo "$lines"
+      fi
+    done
+    test -z "$ELIDE_EMPTY" && EXP=exp || EXP=exp.elide_empty
+    compare out $EXP || fail=1
+  done
+done
+test "$DEBUGGING" && test "$VERBOSE" && set -x
+
+
+# Check extraction of particular chunks
+> out
+printf '1\n12345\n' > exp
+split -n l/13/15 in > out
+compare exp out || fail=1
+> out
+printf '' > exp
+split -n l/14/15 in > out
+compare exp out || fail=1
+> out
+printf '1\n12345\n1\n' > exp
+split -n l/15/15 in > out
+compare exp out || fail=1
+
+# test input with no \n at end
+printf '12\n34\n5' > in
+printf '5' > exp
+split -n l/7/7 in > out
+compare exp out || fail=1
+
+Exit $fail
diff --git a/tests/split/line-bytes.sh b/tests/split/line-bytes.sh
new file mode 100755
index 0000000..c153000
--- /dev/null
+++ b/tests/split/line-bytes.sh
@@ -0,0 +1,87 @@
+#!/bin/sh
+# test -C, --lines-bytes
+
+# Copyright (C) 2013-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+
+vm=$(get_min_ulimit_v_ split -C 'K' /dev/null) \
+  || skip_ "this shell lacks ulimit support"
+
+# Ensure memory is not allocated up front
+(ulimit -v $vm && split -C 'G' /dev/null) || fail=1
+
+
+# Ensure correct operation with various split and buffer size combinations
+
+lines=\
+1~2222~3~4
+
+printf '%s' "$lines" | tr '~' '\n' > in || framework_failure_
+
+cat <<\EOF > splits_exp
+1 1 1 1 1 1 1 1 1 1
+2 2 2 1 2 1
+2 3 2 2 1
+2 4 3 1
+2 5 3
+2 5 3
+7 3
+7 3
+9 1
+9 1
+10
+EOF
+
+seq 0 9 | tr -d '\n' > no_eol_in
+
+cat <<\EOF > no_eol_splits_exp
+1 1 1 1 1 1 1 1 1 1
+2 2 2 2 2
+3 3 3 1
+4 4 2
+5 5
+6 4
+7 3
+8 2
+9 1
+10
+10
+EOF
+
+for b in $(seq 10); do
+  > splits
+  > no_eol_splits
+  for s in $(seq 11); do
+    rm x??
+    split ---io=$b -C$s in || fail=1
+    cat x* > out || framework_failure_
+    compare in out || fail=1
+    stat -c %s x* | paste -s -d ' ' >> splits
+
+    rm x??
+    split ---io=$b -C$s no_eol_in || fail=1
+    cat x* > out || framework_failure_
+    cat xaa
+    compare no_eol_in out || fail=1
+    stat -c %s x* | paste -s -d ' ' >> no_eol_splits
+  done
+  compare splits_exp splits || fail=1
+  compare no_eol_splits_exp no_eol_splits || fail=1
+done
+
+Exit $fail
diff --git a/tests/split/lines.sh b/tests/split/lines.sh
new file mode 100755
index 0000000..8780a2c
--- /dev/null
+++ b/tests/split/lines.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+# show that 'split --lines=2' works.
+
+# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+
+printf '1\n2\n3\n4\n5\n' > in || framework_failure_
+
+split --lines=2 in > out || fail=1
+cat <<\EOF > exp-1
+1
+2
+EOF
+cat <<\EOF > exp-2
+3
+4
+EOF
+cat <<\EOF > exp-3
+5
+EOF
+
+compare exp-1 xaa || fail=1
+compare exp-2 xab || fail=1
+compare exp-3 xac || fail=1
+test -f xad && fail=1
+
+Exit $fail
diff --git a/tests/split/numeric.sh b/tests/split/numeric.sh
new file mode 100755
index 0000000..23edd14
--- /dev/null
+++ b/tests/split/numeric.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+# Test --{hex,numeric}-suffixes[=from]
+
+# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+
+printf '1\n2\n3\n4\n5\n' > in || framework_failure_
+
+printf '%s\n' 1 2 > exp-0 || framework_failure_
+printf '%s\n' 3 4 > exp-1 || framework_failure_
+printf '%s\n' 5   > exp-2 || framework_failure_
+
+for mode in 'numeric' 'hex'; do
+
+  for start in 0 9; do
+    mode_option="--$mode-suffixes"
+    # check with and without specified start value
+    test $start != '0' && mode_option="$mode_option=$start"
+    split $mode_option --lines=2 in || fail=1
+
+    test $mode = 'hex' && format=x || format=d
+    for i in $(seq $start $(($start+2))); do
+      compare exp-$(($i-$start)) x$(printf %02$format $i) || fail=1
+    done
+  done
+
+  # Check that split failed when suffix length is not large enough for
+  # the numerical suffix start value
+  returns_ 1 split -a 3 --$mode-suffixes=1000 in 2>/dev/null || fail=1
+
+  # check invalid --$mode-suffixes start values are flagged
+  returns_ 1 split --$mode-suffixes=-1 in 2> /dev/null || fail=1
+  returns_ 1 split --$mode-suffixes=one in 2> /dev/null || fail=1
+done
+
+Exit $fail
diff --git a/tests/split/r-chunk.sh b/tests/split/r-chunk.sh
new file mode 100755
index 0000000..a32b7ea
--- /dev/null
+++ b/tests/split/r-chunk.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+# test splitting into round-robin chunks
+
+# Copyright (C) 2010-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+
+# 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 "$(stat -c %s x* | uniq -c | sed 's/^ *//; s/ /x/')" = "10x0" || fail=1
+rm x??
+
+# Ensure --elide-empty-files is honored
+split -e -n r/10 /dev/null || fail=1
+stat x?? 2>/dev/null && fail=1
+
+printf '1\n2\n3\n4\n5\n' > in || framework_failure_
+
+split -n r/3 in > out || fail=1
+compare /dev/null out || fail=1
+
+split -n r/1/3 in > r1 || fail=1
+split -n r/2/3 in > r2 || fail=1
+split -n r/3/3 in > r3 || fail=1
+
+printf '1\n4\n' > exp-1
+printf '2\n5\n' > exp-2
+printf '3\n' > exp-3
+
+compare exp-1 xaa || fail=1
+compare exp-2 xab || fail=1
+compare exp-3 xac || fail=1
+compare exp-1 r1 || fail=1
+compare exp-2 r2 || fail=1
+compare exp-3 r3 || fail=1
+test -f xad && fail=1
+
+# Test input without trailing \n
+printf '1\n2\n3\n4\n5' | split -n r/2/3 > out
+printf '2\n5' > exp
+compare exp out || fail=1
+
+# Ensure we fall back to appending to a file at a time
+# if we hit the limit for the number of open files.
+rm x*
+(ulimit -n 20 && yes | head -n90 | split -n r/30 ) || fail=1
+test "$(stat -c %s x* | uniq -c | sed 's/^ *//; s/ /x/')" = "30x6" || fail=1
+
+Exit $fail
diff --git a/tests/split/record-sep.sh b/tests/split/record-sep.sh
new file mode 100755
index 0000000..f51e8fa
--- /dev/null
+++ b/tests/split/record-sep.sh
@@ -0,0 +1,78 @@
+#!/bin/sh
+# test split with custom record separators
+
+# Copyright (C) 2015-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+
+NL='
+'
+
+for sep in "$NL" '\0' ':'; do
+
+  test "$sep" = "$NL" && tr='\n' || tr="$sep"
+
+  for mode in '--lines=2' '--line-bytes=4' '--number=l/3' '--number=r/3'; do
+
+    # Generate in default mode for comparison
+    printf '1\n2\n3\n4\n5\n' > in || framework_failure_
+    split $mode in || fail=1
+    tr '\n' "$tr" < xaa > exp1
+    tr '\n' "$tr" < xab > exp2
+    tr '\n' "$tr" < xac > exp3
+
+    rm -f x??
+
+    # Generate output with specified --separator
+    printf '1\n2\n3\n4\n5\n' | tr '\n' "$tr" > in || framework_failure_
+    split $mode -t "$sep" in || fail=1
+
+    compare exp1 xaa || fail=1
+    compare exp2 xab || fail=1
+    compare exp3 xac || fail=1
+    test -f xad && fail=1
+  done
+
+done
+
+
+#
+# Test usage edge cases
+#
+
+# Should fail: '-t' requires an argument
+returns_ 1 split -t </dev/null ||
+  { warn_ "-t without argument did not trigger an error" ; fail=1 ; }
+
+# should fail: multi-character separator
+returns_ 1 split -txx </dev/null ||
+  { warn_ "-txx did not trigger an error" ; fail=1 ; }
+
+# should fail: different separators used
+returns_ 1 split -ta -tb </dev/null ||
+  { warn_ "-ta -tb did not trigger an error" ; fail=1 ; }
+
+# should fail: different separators used, including default
+returns_ 1 split -t"$NL" -tb </dev/null ||
+  { warn_ "-t\$NL -tb did not trigger an error" ; fail=1 ; }
+
+# should not fail: same separator used multiple times
+split -t: -t: </dev/null ||
+  { warn_ "-t: -t: triggered an error" ; fail=1 ; }
+
+
+Exit $fail
diff --git a/tests/split/suffix-auto-length.sh b/tests/split/suffix-auto-length.sh
new file mode 100755
index 0000000..3f9378b
--- /dev/null
+++ b/tests/split/suffix-auto-length.sh
@@ -0,0 +1,59 @@
+#!/bin/sh
+# Test the suffix auto width functionality
+
+# Copyright (C) 2012-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ split
+
+
+# ensure auto widening is off when start number specified
+truncate -s12 file.in || framework_failure_
+returns_ 1 split file.in -b1 --numeric=89 || fail=1
+test "$(ls -1 x* | wc -l)" = 11 || fail=1
+rm -f x*
+
+# ensure auto widening works when no start num specified
+truncate -s91 file.in || framework_failure_
+for prefix in 'x' 'xx' ''; do
+    for add_suffix in '.txt' ''; do
+      split file.in "$prefix" -b1 --numeric --additional-suffix="$add_suffix" \
+        || fail=1
+      test "$(ls -1 $prefix*[0-9]*$add_suffix | wc -l)" = 91 || fail=1
+      test -e "${prefix}89$add_suffix" || fail=1
+      test -e "${prefix}9000$add_suffix" || fail=1
+      rm -f $prefix*[0-9]*$add_suffix
+    done
+done
+
+# ensure auto width with --number and start num < number of files
+# That's the single run use case which is valid to adjust suffix len
+truncate -s100 file.in || framework_failure_
+split --numeric-suffixes=1 --number=r/100 file.in || fail=1
+rm -f x*
+
+# ensure no auto width with --number and start num >= number of files
+# That's the multi run use case which is invalid to adjust suffix len
+# as that would result in an incorrect order for the total output file set
+returns_ 1 split --numeric-suffixes=100 --number=r/100 file.in || fail=1
+
+# coreutils v8.24 - v8.31 inclusive would incorrectly auto calculate
+# a suffix length that was too small, when the number of files was
+# evenly divisible by the suffix base (10,16,26).
+truncate -s0 file.in || framework_failure_
+split --numeric-suffixes --number=110 file.in || fail=1
+
+Exit $fail
diff --git a/tests/split/suffix-length.sh b/tests/split/suffix-length.sh
new file mode 100755
index 0000000..bb2f9fa
--- /dev/null
+++ b/tests/split/suffix-length.sh
@@ -0,0 +1,76 @@
+#!/bin/sh
+# Show that split -a works.
+
+# Copyright (C) 2002-2022 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+. "${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