1 files changed, 20 insertions, 17 deletions
diff --git a/spec/ruby/library/matrix/clone_spec.rb b/spec/ruby/library/matrix/clone_spec.rb
index 74e5bf157e..bde119988f 100644
--- a/spec/ruby/library/matrix/clone_spec.rb
+++ b/spec/ruby/library/matrix/clone_spec.rb
@@ -1,25 +1,28 @@
 require_relative '../../spec_helper'
-require_relative 'fixtures/classes'
-require 'matrix'
 
-describe "Matrix#clone" do
-  before :each do
-    @a = Matrix[[1, 2], [3, 4], [5, 6]]
-  end
+ruby_version_is ""..."3.1" do
+  require_relative 'fixtures/classes'
+  require 'matrix'
 
-  it "returns a shallow copy of the matrix" do
-    b = @a.clone
-    @a.should_not equal(b)
-    b.should be_kind_of(Matrix)
-    b.should == @a
-    0.upto(@a.row_size - 1) do |i|
-      @a.row(i).should_not equal(b.row(i))
+  describe "Matrix#clone" do
+    before :each do
+      @a = Matrix[[1, 2], [3, 4], [5, 6]]
+    end
+
+    it "returns a shallow copy of the matrix" do
+      b = @a.clone
+      @a.should_not equal(b)
+      b.should be_kind_of(Matrix)
+      b.should == @a
+      0.upto(@a.row_size - 1) do |i|
+        @a.row(i).should_not equal(b.row(i))
+      end
     end
-  end
 
-  describe "for a subclass of Matrix" do
-    it "returns an instance of that subclass" do
-      MatrixSub.ins.clone.should be_an_instance_of(MatrixSub)
+    describe "for a subclass of Matrix" do
+      it "returns an instance of that subclass" do
+        MatrixSub.ins.clone.should be_an_instance_of(MatrixSub)
+      end
     end
   end
 end