1 files changed, 7 insertions, 9 deletions
diff --git a/spec/ruby/core/io/each_codepoint_spec.rb b/spec/ruby/core/io/each_codepoint_spec.rb
index eb16e004fa..26cc87fc0e 100644
--- a/spec/ruby/core/io/each_codepoint_spec.rb
+++ b/spec/ruby/core/io/each_codepoint_spec.rb
@@ -1,10 +1,10 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes', __FILE__)
-require File.expand_path('../shared/codepoints', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+require_relative 'shared/codepoints'
 
 # See redmine #1667
 describe "IO#each_codepoint" do
-  it_behaves_like(:io_codepoints, :codepoints)
+  it_behaves_like :io_codepoints, :each_codepoint
 end
 
 describe "IO#each_codepoint" do
@@ -24,7 +24,7 @@ describe "IO#each_codepoint" do
   end
 
   it "returns self" do
-    @io.each_codepoint { |l| l }.should equal(@io)
+    @io.each_codepoint { |l| l }.should.equal?(@io)
   end
 end
 
@@ -37,9 +37,7 @@ describe "IO#each_codepoint" do
     @io.close if @io
   end
 
-  ruby_version_is "2.3" do # earlier versions stay blocked
-    it "raises an exception at incomplete character before EOF when conversion takes place" do
-      lambda { @io.each_codepoint {} }.should raise_error(ArgumentError)
-    end
+  it "raises an exception at incomplete character before EOF when conversion takes place" do
+    -> { @io.each_codepoint {} }.should.raise(ArgumentError)
   end
 end