Adjust chgrp, chmod, chown, cp tests to use test-lib.sh.

* tests/check.mk: Also define abs_top_builddir.

tests/cp/sparse

@@ -1,7 +1,7 @@
 #!/bin/sh
 # Test cp --sparse=always
 
-# Copyright (C) 2006 Free Software Foundation, Inc.
+# Copyright (C) 2006-2007 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
@@ -21,29 +21,15 @@ if test "$VERBOSE" = yes; then
   cp --version
 fi
 
-. $srcdir/../envvar-check
 . $srcdir/../sparse-file
-
-pwd=`pwd`
-t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
-trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0
-trap '(exit $?); exit $?' 1 2 13 15
-
-framework_failure=0
-mkdir -p $tmp || framework_failure=1
-cd $tmp || framework_failure=1
+. $srcdir/../test-lib.sh
 
 # Create a sparse file.
 # It has to be at least 128K in order to be sparse on some systems.
 # Make its size one larger than 128K, in order to tickle the
 # bug in coreutils-6.0.
 size=`expr 128 \* 1024 + 1`
-dd bs=1 seek=$size of=sparse < /dev/null 2> /dev/null || framework_failure=1
-
-if test $framework_failure = 1; then
-  echo "$0: failure in testing framework" 1>&2
-  (exit 1); exit 1
-fi
+dd bs=1 seek=$size of=sparse < /dev/null 2> /dev/null || framework_failure
 
 fail=0