1 files changed, 5 insertions, 5 deletions
diff --git a/spec/ruby/library/matrix/orthogonal_spec.rb b/spec/ruby/library/matrix/orthogonal_spec.rb
index 81df1d15ee..71ac831fe8 100644
--- a/spec/ruby/library/matrix/orthogonal_spec.rb
+++ b/spec/ruby/library/matrix/orthogonal_spec.rb
@@ -3,12 +3,12 @@ require 'matrix'
 
 describe "Matrix.orthogonal?" do
   it "returns false for non orthogonal matrices" do
-    Matrix[[0, 1], [1, 2]].orthogonal?.should == false
-    Matrix[[1, 1, 0], [0, 1, 1], [1, 0, 1]].orthogonal?.should == false
+    Matrix[[0, 1], [1, 2]].should_not.orthogonal?
+    Matrix[[1, 1, 0], [0, 1, 1], [1, 0, 1]].should_not.orthogonal?
   end
 
   it "returns true for orthogonal matrices" do
-    Matrix[[0, 1], [1, 0]].orthogonal?.should == true
+    Matrix[[0, 1], [1, 0]].should.orthogonal?
   end
 
   it "raises an error for rectangular matrices" do
@@ -18,9 +18,9 @@ describe "Matrix.orthogonal?" do
       Matrix.empty(0, 2),
       Matrix.empty(2, 0),
     ].each do |rectangular_matrix|
-      lambda {
+      -> {
         rectangular_matrix.orthogonal?
-      }.should raise_error(Matrix::ErrDimensionMismatch)
+      }.should.raise(Matrix::ErrDimensionMismatch)
     end
   end
 end