1 files changed, 17 insertions, 14 deletions
diff --git a/spec/ruby/library/matrix/round_spec.rb b/spec/ruby/library/matrix/round_spec.rb
index 1dc29df890..db33268414 100644
--- a/spec/ruby/library/matrix/round_spec.rb
+++ b/spec/ruby/library/matrix/round_spec.rb
@@ -1,21 +1,24 @@
 require_relative '../../spec_helper'
-require_relative 'fixtures/classes'
-require 'matrix'
 
-describe "Matrix#round" do
-  it "returns a matrix with all entries rounded" do
-    Matrix[ [1,   2.34], [5.67, 8] ].round.should == Matrix[ [1, 2], [6, 8] ]
-    Matrix[ [1,   2.34], [5.67, 8] ].round(1).should == Matrix[ [1, 2.3], [5.7, 8] ]
-  end
+ruby_version_is ""..."3.1" do
+  require_relative 'fixtures/classes'
+  require 'matrix'
 
-  it "returns empty matrices on the same size if empty" do
-    Matrix.empty(0, 3).round.should == Matrix.empty(0, 3)
-    Matrix.empty(3, 0).round(42).should == Matrix.empty(3, 0)
-  end
+  describe "Matrix#round" do
+    it "returns a matrix with all entries rounded" do
+      Matrix[ [1,   2.34], [5.67, 8] ].round.should == Matrix[ [1, 2], [6, 8] ]
+      Matrix[ [1,   2.34], [5.67, 8] ].round(1).should == Matrix[ [1, 2.3], [5.7, 8] ]
+    end
+
+    it "returns empty matrices on the same size if empty" do
+      Matrix.empty(0, 3).round.should == Matrix.empty(0, 3)
+      Matrix.empty(3, 0).round(42).should == Matrix.empty(3, 0)
+    end
 
-  describe "for a subclass of Matrix" do
-    it "returns an instance of that subclass" do
-      MatrixSub.ins.round.should be_an_instance_of(MatrixSub)
+    describe "for a subclass of Matrix" do
+      it "returns an instance of that subclass" do
+        MatrixSub.ins.round.should be_an_instance_of(MatrixSub)
+      end
     end
   end
 end