1 files changed, 21 insertions, 18 deletions
diff --git a/spec/ruby/library/matrix/inspect_spec.rb b/spec/ruby/library/matrix/inspect_spec.rb
index 508f478252..d754c0fe7f 100644
--- a/spec/ruby/library/matrix/inspect_spec.rb
+++ b/spec/ruby/library/matrix/inspect_spec.rb
@@ -1,27 +1,30 @@
 require_relative '../../spec_helper'
-require_relative 'fixtures/classes'
-require 'matrix'
 
-describe "Matrix#inspect" do
+ruby_version_is ""..."3.1" do
+  require_relative 'fixtures/classes'
+  require 'matrix'
 
-  it "returns a stringified representation of the Matrix" do
-    Matrix[ [1,2], [2,1] ].inspect.should == "Matrix[[1, 2], [2, 1]]"
-  end
+  describe "Matrix#inspect" do
 
-  it "returns 'Matrix.empty(...)' for empty matrices" do
-    Matrix[ [], [], [] ].inspect.should == "Matrix.empty(3, 0)"
-    Matrix.columns([ [], [], [] ]).inspect.should == "Matrix.empty(0, 3)"
-  end
+    it "returns a stringified representation of the Matrix" do
+      Matrix[ [1,2], [2,1] ].inspect.should == "Matrix[[1, 2], [2, 1]]"
+    end
 
-  it "calls inspect on its contents" do
-    obj = mock("some_value")
-    obj.should_receive(:inspect).and_return("some_value")
-    Matrix[ [1, 2], [3, obj] ].inspect.should == "Matrix[[1, 2], [3, some_value]]"
-  end
+    it "returns 'Matrix.empty(...)' for empty matrices" do
+      Matrix[ [], [], [] ].inspect.should == "Matrix.empty(3, 0)"
+      Matrix.columns([ [], [], [] ]).inspect.should == "Matrix.empty(0, 3)"
+    end
+
+    it "calls inspect on its contents" do
+      obj = mock("some_value")
+      obj.should_receive(:inspect).and_return("some_value")
+      Matrix[ [1, 2], [3, obj] ].inspect.should == "Matrix[[1, 2], [3, some_value]]"
+    end
 
-  describe "for a subclass of Matrix" do
-    it "returns a string using the subclass' name" do
-      MatrixSub.ins.inspect.should == "MatrixSub[[1, 0], [0, 1]]"
+    describe "for a subclass of Matrix" do
+      it "returns a string using the subclass' name" do
+        MatrixSub.ins.inspect.should == "MatrixSub[[1, 0], [0, 1]]"
+      end
     end
   end
 end