1 files changed, 4 insertions, 4 deletions
diff --git a/spec/ruby/core/integer/rationalize_spec.rb b/spec/ruby/core/integer/rationalize_spec.rb
index 1ff4cfa454..272eca6911 100644
--- a/spec/ruby/core/integer/rationalize_spec.rb
+++ b/spec/ruby/core/integer/rationalize_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../../spec_helper', __FILE__)
+require_relative '../../spec_helper'
 
 describe "Integer#rationalize" do
   before :all do
@@ -12,7 +12,7 @@ describe "Integer#rationalize" do
 
   it "returns a Rational object" do
     @numbers.each do |number|
-      number.rationalize.should be_an_instance_of(Rational)
+      number.rationalize.should.instance_of?(Rational)
     end
   end
 
@@ -33,7 +33,7 @@ describe "Integer#rationalize" do
   end
 
   it "raises ArgumentError when passed more than one argument" do
-    lambda { 1.rationalize(0.1, 0.1) }.should raise_error(ArgumentError)
-    lambda { 1.rationalize(0.1, 0.1, 2) }.should raise_error(ArgumentError)
+    -> { 1.rationalize(0.1, 0.1) }.should.raise(ArgumentError)
+    -> { 1.rationalize(0.1, 0.1, 2) }.should.raise(ArgumentError)
   end
 end