1 files changed, 10 insertions, 5 deletions
diff --git a/spec/ruby/core/numeric/clone_spec.rb b/spec/ruby/core/numeric/clone_spec.rb
index e3bf0a9e7c..1d06fdb050 100644
--- a/spec/ruby/core/numeric/clone_spec.rb
+++ b/spec/ruby/core/numeric/clone_spec.rb
@@ -3,23 +3,28 @@ require_relative '../../spec_helper'
 describe "Numeric#clone" do
   it "returns self" do
     value = 1
-    value.clone.should equal(value)
+    value.clone.should.equal?(value)
 
     subclass = Class.new(Numeric)
     value = subclass.new
-    value.clone.should equal(value)
+    value.clone.should.equal?(value)
   end
 
   it "does not change frozen status" do
     1.clone.frozen?.should == true
   end
 
-  it "accepts optonal keyword argument :freeze" do
+  it "accepts optional keyword argument :freeze" do
     value = 1
-    value.clone(freeze: true).should equal(value)
+    value.clone(freeze: true).should.equal?(value)
   end
 
   it "raises ArgumentError if passed freeze: false" do
-    -> { 1.clone(freeze: false) }.should raise_error(ArgumentError, /can't unfreeze/)
+    -> { 1.clone(freeze: false) }.should.raise(ArgumentError, /can't unfreeze/)
+  end
+
+  it "does not change frozen status if passed freeze: nil" do
+    value = 1
+    value.clone(freeze: nil).should.equal?(value)
   end
 end