Adding upstream version 9.4.upstream/9.4upstream

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

1 files changed, 56 insertions, 0 deletions

diff --git a/tests/cp/sparse-2.sh b/tests/cp/sparse-2.sh
new file mode 100755
index 0000000..5d3c5ec
--- /dev/null
+++ b/tests/cp/sparse-2.sh
@@ -0,0 +1,56 @@
+#!/bin/sh
+# Exercise a few more corners of the copying code.
+
+# Copyright (C) 2011-2023 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_ cp dd
+
+touch sparse_chk
+seek_data_capable_ sparse_chk \
+  || skip_ "insufficient SEEK_DATA support"
+
+# Exercise the code that handles a file ending in a hole.
+printf x > k || framework_failure_
+dd bs=1k seek=128 of=k < /dev/null || framework_failure_
+
+# The first time through the outer loop, the input file, K, ends with a hole.
+# The second time through, we append a byte so that it does not.
+for append in no yes; do
+  test $append = yes && printf y >> k
+  for i in always never; do
+    cp --reflink=never --sparse=$i k k2 || fail=1
+    cmp k k2 || fail=1
+  done
+done
+
+# Ensure that --sparse=always can restore holes.
+rm -f k
+# Create a file starting with an "x", followed by 256K-1 0 bytes.
+printf x > k || framework_failure_
+dd bs=1k seek=1 of=k count=255 < /dev/zero || framework_failure_
+
+# cp should detect the all-zero blocks and convert some of them to holes.
+cp --debug --reflink=never --sparse=always k k2 >cp.out || fail=1
+cmp k k2 || fail=1
+grep 'sparse detection: .*zeros' cp.out || { cat cp.out; fail=1; }
+
+# cp should disable reflink AND copy offload with --sparse=never
+cp --debug --sparse=never k k2 >cp.out || fail=1
+cmp k k2 || fail=1
+grep 'copy offload: avoided, reflink: no' cp.out || { cat cp.out; fail=1; }
+
+Exit $fail