* test/fileutils/test_fileutils.rb
  (TestFileUtils#assert_output_lines): New utility assertion
  method for testing verbose output.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41858 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/fileutils/fileasserts.rb
  (Test::Unit::FileAssertions#{assert_filemode,assert_equal_timestamp}):
  New utility assertion methods for testing file modes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41859 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/fileutils.rb (FileUtils#chown_R): Do not skip traversal even
  if user and group are both nil, to be consistent with #chown and
  other commands.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41860 b2dd03c8-39d4-4d8f-98ff-823fe69b080e