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/symbol/shared/length.rb

@@ -0,0 +1,23 @@
+# -*- encoding: utf-8 -*-
+
+describe :symbol_length, shared: true do
+  it "returns 0 for empty name" do
+    :''.send(@method).should == 0
+  end
+
+  it "returns 1 for name formed by a NUL character" do
+    :"\x00".send(@method).should == 1
+  end
+
+  it "returns 3 for name formed by 3 ASCII characters" do
+    :one.send(@method).should == 3
+  end
+
+  it "returns 4 for name formed by 4 ASCII characters" do
+    :four.send(@method).should == 4
+  end
+
+  it "returns 4 for name formed by 1 multibyte and 3 ASCII characters" do
+    :"\xC3\x9Cber".send(@method).should == 4
+  end
+end