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-rw-r--r--spec/ruby/core/set/difference_spec.rb5
1 files changed, 3 insertions, 2 deletions
diff --git a/spec/ruby/core/set/difference_spec.rb b/spec/ruby/core/set/difference_spec.rb
index 149f946592..22d89973a8 100644
--- a/spec/ruby/core/set/difference_spec.rb
+++ b/spec/ruby/core/set/difference_spec.rb
@@ -1,6 +1,7 @@
require_relative '../../spec_helper'
-require_relative 'shared/difference'
describe "Set#difference" do
- it_behaves_like :set_difference, :difference
+ it "is an alias of Set#-" do
+ Set.instance_method(:difference).should == Set.instance_method(:-)
+ end
end