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/basicobject/equal_spec.rb

@@ -0,0 +1,52 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../../../shared/kernel/equal', __FILE__)
+
+describe "BasicObject#equal?" do
+  it "is a public instance method" do
+    BasicObject.should have_public_instance_method(:equal?)
+  end
+
+  it_behaves_like :object_equal, :equal?
+
+  it "is unaffected by overriding __id__" do
+    o1 = mock("object")
+    o2 = mock("object")
+    def o1.__id__; 10; end
+    def o2.__id__; 10; end
+    o1.equal?(o2).should be_false
+  end
+
+  it "is unaffected by overriding object_id" do
+    o1 = mock("object")
+    o1.stub!(:object_id).and_return(10)
+    o2 = mock("object")
+    o2.stub!(:object_id).and_return(10)
+    o1.equal?(o2).should be_false
+  end
+
+  it "is unaffected by overriding ==" do
+    # different objects, overriding == to return true
+    o1 = mock("object")
+    o1.stub!(:==).and_return(true)
+    o2 = mock("object")
+    o1.equal?(o2).should be_false
+
+    # same objects, overriding == to return false
+    o3 = mock("object")
+    o3.stub!(:==).and_return(false)
+    o3.equal?(o3).should be_true
+  end
+
+  it "is unaffected by overriding eql?" do
+    # different objects, overriding eql? to return true
+    o1 = mock("object")
+    o1.stub!(:eql?).and_return(true)
+    o2 = mock("object")
+    o1.equal?(o2).should be_false
+
+    # same objects, overriding eql? to return false
+    o3 = mock("object")
+    o3.stub!(:eql?).and_return(false)
+    o3.equal?(o3).should be_true
+  end
+end