1 files changed, 73 insertions, 0 deletions
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