1 files changed, 7 insertions, 7 deletions
diff --git a/spec/ruby/library/delegate/delegate_class/instance_method_spec.rb b/spec/ruby/library/delegate/delegate_class/instance_method_spec.rb
index 16bf8d734c..19ffc4cf85 100644
--- a/spec/ruby/library/delegate/delegate_class/instance_method_spec.rb
+++ b/spec/ruby/library/delegate/delegate_class/instance_method_spec.rb
@@ -9,44 +9,44 @@ describe "DelegateClass.instance_method" do
 
   it "returns a method object for public instance methods of the delegated class" do
     m = @klass.instance_method(:pub)
-    m.should be_an_instance_of(UnboundMethod)
+    m.should.instance_of?(UnboundMethod)
     m.bind(@obj).call.should == :foo
   end
 
   it "returns a method object for protected instance methods of the delegated class" do
     m = @klass.instance_method(:prot)
-    m.should be_an_instance_of(UnboundMethod)
+    m.should.instance_of?(UnboundMethod)
     m.bind(@obj).call.should == :protected
   end
 
   it "raises a NameError for a private instance methods of the delegated class" do
     -> {
       @klass.instance_method(:priv)
-    }.should raise_error(NameError)
+    }.should.raise(NameError)
   end
 
   it "returns a method object for public instance methods of the DelegateClass class" do
     m = @klass.instance_method(:extra)
-    m.should be_an_instance_of(UnboundMethod)
+    m.should.instance_of?(UnboundMethod)
     m.bind(@obj).call.should == :cheese
   end
 
   it "returns a method object for protected instance methods of the DelegateClass class" do
     m = @klass.instance_method(:extra_protected)
-    m.should be_an_instance_of(UnboundMethod)
+    m.should.instance_of?(UnboundMethod)
     m.bind(@obj).call.should == :baz
   end
 
   it "returns a method object for private instance methods of the DelegateClass class" do
     m = @klass.instance_method(:extra_private)
-    m.should be_an_instance_of(UnboundMethod)
+    m.should.instance_of?(UnboundMethod)
     m.bind(@obj).call.should == :bar
   end
 
   it "raises a NameError for an invalid method name" do
     -> {
       @klass.instance_method(:invalid_and_silly_method_name)
-    }.should raise_error(NameError)
+    }.should.raise(NameError)
   end
 
 end