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/library/stringscanner/shared/extract_range_matched.rb

@@ -0,0 +1,22 @@
+describe :extract_range_matched, shared: true do
+  it "returns an instance of String when passed a String subclass" do
+    cls = Class.new(String)
+    sub = cls.new("abc")
+
+    s = StringScanner.new(sub)
+    s.scan(/\w{1}/)
+
+    ch = s.send(@method)
+    ch.should_not be_kind_of(cls)
+    ch.should be_an_instance_of(String)
+  end
+
+  it "taints the returned String if the input was tainted" do
+    str = 'abc'
+    str.taint
+
+    s = StringScanner.new(str)
+    s.scan(/\w{1}/)
+    s.send(@method).tainted?.should be_true
+  end
+end