1 files changed, 16 insertions, 2 deletions
diff --git a/spec/ruby/core/numeric/conjugate_spec.rb b/spec/ruby/core/numeric/conjugate_spec.rb
index 99854766e7..ea4731991d 100644
--- a/spec/ruby/core/numeric/conjugate_spec.rb
+++ b/spec/ruby/core/numeric/conjugate_spec.rb
@@ -1,6 +1,20 @@
 require_relative '../../spec_helper'
-require_relative 'shared/conj'
 
 describe "Numeric#conjugate" do
-  it_behaves_like :numeric_conj, :conjugate
+  before :each do
+    @numbers = [
+      20,             # Integer
+      398.72,         # Float
+      Rational(3, 4), # Rational
+      bignum_value,
+      infinity_value,
+      nan_value
+    ]
+  end
+
+  it "returns self" do
+    @numbers.each do |number|
+      number.conjugate.should.equal?(number)
+    end
+  end
 end