Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/dir/rewind_spec.rb

@@ -0,0 +1,36 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/common', __FILE__)
+require File.expand_path('../shared/closed', __FILE__)
+
+describe "Dir#rewind" do
+  before :all do
+    DirSpecs.create_mock_dirs
+  end
+
+  after :all do
+    DirSpecs.delete_mock_dirs
+  end
+
+  before :each do
+    @dir = Dir.open DirSpecs.mock_dir
+  end
+
+  after :each do
+    @dir.close
+  end
+
+  it "resets the next read to start from the first entry" do
+    a = @dir.read
+    b = @dir.read
+    a.should_not == b
+    @dir.rewind
+    c = @dir.read
+    c.should == a
+  end
+
+  it "returns the Dir instance" do
+    @dir.rewind.should == @dir
+  end
+
+  it_behaves_like :dir_closed, :rewind
+end