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/kernel/class_spec.rb

@@ -0,0 +1,26 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Kernel#class" do
+  it "returns the class of the object" do
+    Object.new.class.should equal(Object)
+
+    1.class.should equal(Fixnum)
+    3.14.class.should equal(Float)
+    :hello.class.should equal(Symbol)
+    "hello".class.should equal(String)
+    [1, 2].class.should equal(Array)
+    { 1 => 2 }.class.should equal(Hash)
+  end
+
+  it "returns Class for a class" do
+    BasicObject.class.should equal(Class)
+    String.class.should equal(Class)
+  end
+
+  it "returns the first non-singleton class" do
+    a = "hello"
+    def a.my_singleton_method; end
+    a.class.should equal(String)
+  end
+end