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/shared/open.rb

@@ -0,0 +1,63 @@
+describe :dir_open, shared: true do
+  it "returns a Dir instance representing the specified directory" do
+    dir = Dir.send(@method, DirSpecs.mock_dir)
+    dir.should be_kind_of(Dir)
+    dir.close
+  end
+
+  it "raises a SystemCallError if the directory does not exist" do
+    lambda do
+      Dir.send @method, DirSpecs.nonexistent
+    end.should raise_error(SystemCallError)
+  end
+
+  it "may take a block which is yielded to with the Dir instance" do
+    Dir.send(@method, DirSpecs.mock_dir) {|dir| dir.should be_kind_of(Dir)}
+  end
+
+  it "returns the value of the block if a block is given" do
+    Dir.send(@method, DirSpecs.mock_dir) {|dir| :value }.should == :value
+  end
+
+  it "closes the Dir instance when the block exits if given a block" do
+    closed_dir = Dir.send(@method, DirSpecs.mock_dir) { |dir| dir }
+    lambda { closed_dir.read }.should raise_error(IOError)
+  end
+
+  it "closes the Dir instance when the block exits the block even due to an exception" do
+    closed_dir = nil
+
+    lambda do
+      Dir.send(@method, DirSpecs.mock_dir) do |dir|
+        closed_dir = dir
+        raise
+      end
+    end.should raise_error
+
+    lambda { closed_dir.read }.should raise_error(IOError)
+  end
+
+  it "calls #to_path on non-String arguments" do
+    p = mock('path')
+    p.should_receive(:to_path).and_return(DirSpecs.mock_dir)
+    Dir.send(@method, p) { true }
+  end
+
+  it "accepts an options Hash" do
+    dir = Dir.send(@method, DirSpecs.mock_dir, encoding: "utf-8") {|d| d }
+    dir.should be_kind_of(Dir)
+  end
+
+  it "calls #to_hash to convert the options object" do
+    options = mock("dir_open")
+    options.should_receive(:to_hash).and_return({ encoding: Encoding::UTF_8 })
+
+    dir = Dir.send(@method, DirSpecs.mock_dir, options) {|d| d }
+    dir.should be_kind_of(Dir)
+  end
+
+  it "ignores the :encoding option if it is nil" do
+    dir = Dir.send(@method, DirSpecs.mock_dir, encoding: nil) {|d| d }
+    dir.should be_kind_of(Dir)
+  end
+end