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authorJim Meyering <meyering@redhat.com>2011-01-27 15:17:42 +0100
committerJim Meyering <meyering@redhat.com>2011-01-30 20:44:12 +0100
commit54602c76a0376152933e6b0702a0fc557993a929 (patch)
tree671823b507dce5880815812aad3bc2b70d02a774 /tests/cp
parent0f91b6174e178720fea2d01734736a6477e4feac (diff)
downloadcoreutils-54602c76a0376152933e6b0702a0fc557993a929.tar.xz
tests: cp/fiemap: exercise previously-failing parts
* tests/cp/fiemap-2: New test. * tests/Makefile.am (TESTS): Add it.
Diffstat (limited to 'tests/cp')
-rwxr-xr-xtests/cp/fiemap-254
1 files changed, 54 insertions, 0 deletions
diff --git a/tests/cp/fiemap-2 b/tests/cp/fiemap-2
new file mode 100755
index 000000000..e27f35521
--- /dev/null
+++ b/tests/cp/fiemap-2
@@ -0,0 +1,54 @@
+#!/bin/sh
+# Exercise a few more corners of the fiemap-copying code.
+
+# Copyright (C) 2011 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_ cp
+
+# Require a fiemap-enabled FS.
+df -T -t btrfs -t xfs -t ext4 -t ocfs2 . \
+ || skip_ "this file system lacks FIEMAP 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 $append = yes && printf y >> k
+ for i in always never; do
+ cp --sparse=$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.
+# How many it detects/converts currently depends on io_blksize.
+# Currently, on my F14/ext4 desktop, this K starts off with size 256KiB,
+# (note that the K in the preceding test starts off with size 4KiB).
+# cp from coreutils-8.9 with --sparse=always reduces the size to 32KiB.
+cp --sparse=always k k2 || fail=1
+test $(stat -c %b k2) -lt $(stat -c %b k) || fail=1
+
+Exit $fail