1 files changed, 17 insertions, 3 deletions
diff --git a/spec/ruby/library/matrix/conjugate_spec.rb b/spec/ruby/library/matrix/conjugate_spec.rb
index fd19f7689c..46077d4fa9 100644
--- a/spec/ruby/library/matrix/conjugate_spec.rb
+++ b/spec/ruby/library/matrix/conjugate_spec.rb
@@ -1,6 +1,20 @@
-require File.expand_path('../../../spec_helper', __FILE__)
-require File.expand_path('../shared/conjugate', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
 
 describe "Matrix#conjugate" do
-  it_behaves_like(:matrix_conjugate, :conjugate)
+  it "returns a matrix with all entries 'conjugated'" do
+    Matrix[ [1,   2], [3, 4] ].conjugate.should == Matrix[ [1,   2], [3, 4] ]
+    Matrix[ [1.9, Complex(1,1)], [3, 4] ].conjugate.should == Matrix[ [1.9, Complex(1,-1)], [3, 4] ]
+  end
+
+  it "returns empty matrices on the same size if empty" do
+    Matrix.empty(0, 3).conjugate.should == Matrix.empty(0, 3)
+    Matrix.empty(3, 0).conjugate.should == Matrix.empty(3, 0)
+  end
+
+  describe "for a subclass of Matrix" do
+    it "returns an instance of that subclass" do
+      MatrixSub.ins.conjugate.should.instance_of?(MatrixSub)
+    end
+  end
 end