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/proc/fixtures/common.rb

@@ -0,0 +1,51 @@
+module ProcSpecs
+  class ToAryAsNil
+    def to_ary
+      nil
+    end
+  end
+  def self.new_proc_in_method
+    Proc.new
+  end
+
+  def self.new_proc_from_amp(&block)
+    block
+  end
+
+  def self.proc_for_1
+    proc { 1 }
+  end
+
+  class ProcSubclass < Proc
+  end
+
+  def self.new_proc_subclass_in_method
+    ProcSubclass.new
+  end
+
+  class MyProc < Proc
+  end
+
+  class MyProc2 < Proc
+    def initialize(a, b)
+      @first = a
+      @second = b
+    end
+
+    attr_reader :first, :second
+  end
+
+  class Arity
+    def arity_check(&block)
+      pn = Proc.new(&block).arity
+      pr = proc(&block).arity
+      lm = lambda(&block).arity
+
+      if pn == pr and pr == lm
+        return pn
+      else
+        return :arity_check_failed
+      end
+    end
+  end
+end