1 files changed, 13 insertions, 4 deletions
diff --git a/spec/ruby/core/string/to_s_spec.rb b/spec/ruby/core/string/to_s_spec.rb
index b483b1b138..c48c7f89ac 100644
--- a/spec/ruby/core/string/to_s_spec.rb
+++ b/spec/ruby/core/string/to_s_spec.rb
@@ -1,7 +1,16 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../fixtures/classes.rb', __FILE__)
-require File.expand_path('../shared/to_s.rb', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "String#to_s" do
-  it_behaves_like(:string_to_s, :to_s)
+  it "returns self when self.class == String" do
+    a = "a string"
+    a.should.equal?(a.to_s)
+  end
+
+  it "returns a new instance of String when called on a subclass" do
+    a = StringSpecs::MyString.new("a string")
+    s = a.to_s
+    s.should == "a string"
+    s.should.instance_of?(String)
+  end
 end