test_fileutils.rb: tests for chown

* test/fileutils/fileasserts.rb (assert_ownership_group): new
  assertion for group ownership.
* test/fileutils/test_fileutils.rb (test_chown{,_verbose,_noop}):
  based on the patch by vajrasky (Vajrasky Kok) at
  [ruby-core:59281].  [Feature #9286]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/test/fileutils/fileasserts.rb b/test/fileutils/fileasserts.rb
index c60606ee7f..2cc7e2316b 100644
--- a/test/fileutils/fileasserts.rb
+++ b/test/fileutils/fileasserts.rb
@@ -88,6 +88,15 @@ File modes expected to be equal:
  <#{'%0*o' % [width, mode2]}>: "#{file2}"
 EOT
       end
+
+      def assert_ownership_group(expected, file)
+        actual = File.stat(file).gid
+        assert expected == actual, <<EOT
+File group ownership of "#{file}" unexpected:
+ Expected: <#{expected}>
+   Actual: <#{actual}>
+EOT
+      end
     end
   end
 end