1 files changed, 43 insertions, 40 deletions
diff --git a/spec/ruby/library/matrix/divide_spec.rb b/spec/ruby/library/matrix/divide_spec.rb
index 2e3bb85bf6..68e6f1fde5 100644
--- a/spec/ruby/library/matrix/divide_spec.rb
+++ b/spec/ruby/library/matrix/divide_spec.rb
@@ -1,54 +1,57 @@
 require_relative '../../spec_helper'
-require_relative 'spec_helper'
-require_relative 'fixtures/classes'
-require 'matrix'
-
-describe "Matrix#/" do
-  before :each do
-    @a = Matrix[ [1, 2], [3, 4] ]
-    @b = Matrix[ [4, 5], [6, 7] ]
-    @c = Matrix[ [1.2, 2.4], [3.6, 4.8] ]
-  end
 
-  it "returns the result of dividing self by another Matrix" do
-    (@a / @b).should be_close_to_matrix([[2.5, -1.5], [1.5, -0.5]])
-  end
+ruby_version_is ""..."3.1" do
+  require_relative 'spec_helper'
+  require_relative 'fixtures/classes'
+  require 'matrix'
 
-  # Guard against the Mathn library
-  guard -> { !defined?(Math.rsqrt) } do
-    it "returns the result of dividing self by a Fixnum" do
-      (@a / 2).should == Matrix[ [0, 1], [1, 2] ]
+  describe "Matrix#/" do
+    before :each do
+      @a = Matrix[ [1, 2], [3, 4] ]
+      @b = Matrix[ [4, 5], [6, 7] ]
+      @c = Matrix[ [1.2, 2.4], [3.6, 4.8] ]
     end
 
-    it "returns the result of dividing self by a Bignum" do
-      (@a / bignum_value).should == Matrix[ [0, 0], [0, 0] ]
+    it "returns the result of dividing self by another Matrix" do
+      (@a / @b).should be_close_to_matrix([[2.5, -1.5], [1.5, -0.5]])
     end
-  end
 
-  it "returns the result of dividing self by a Float" do
-    (@c / 1.2).should == Matrix[ [1, 2], [3, 4] ]
-  end
+    # Guard against the Mathn library
+    guard -> { !defined?(Math.rsqrt) } do
+      it "returns the result of dividing self by a Fixnum" do
+        (@a / 2).should == Matrix[ [0, 1], [1, 2] ]
+      end
 
-  it "raises a Matrix::ErrDimensionMismatch if the matrices are different sizes" do
-    -> { @a / Matrix[ [1] ] }.should raise_error(Matrix::ErrDimensionMismatch)
-  end
+      it "returns the result of dividing self by a Bignum" do
+        (@a / bignum_value).should == Matrix[ [0, 0], [0, 0] ]
+      end
+    end
 
-  it "returns an instance of Matrix" do
-    (@a / @b).should be_kind_of(Matrix)
-  end
+    it "returns the result of dividing self by a Float" do
+      (@c / 1.2).should == Matrix[ [1, 2], [3, 4] ]
+    end
 
-  describe "for a subclass of Matrix" do
-    it "returns an instance of that subclass" do
-      m = MatrixSub.ins
-      (m/m).should be_an_instance_of(MatrixSub)
-      (m/1).should be_an_instance_of(MatrixSub)
+    it "raises a Matrix::ErrDimensionMismatch if the matrices are different sizes" do
+      -> { @a / Matrix[ [1] ] }.should raise_error(Matrix::ErrDimensionMismatch)
+    end
+
+    it "returns an instance of Matrix" do
+      (@a / @b).should be_kind_of(Matrix)
     end
-  end
 
-  it "raises a TypeError if other is of wrong type" do
-    -> { @a / nil        }.should raise_error(TypeError)
-    -> { @a / "a"        }.should raise_error(TypeError)
-    -> { @a / [ [1, 2] ] }.should raise_error(TypeError)
-    -> { @a / Object.new }.should raise_error(TypeError)
+    describe "for a subclass of Matrix" do
+      it "returns an instance of that subclass" do
+        m = MatrixSub.ins
+        (m/m).should be_an_instance_of(MatrixSub)
+        (m/1).should be_an_instance_of(MatrixSub)
+      end
+    end
+
+    it "raises a TypeError if other is of wrong type" do
+      -> { @a / nil        }.should raise_error(TypeError)
+      -> { @a / "a"        }.should raise_error(TypeError)
+      -> { @a / [ [1, 2] ] }.should raise_error(TypeError)
+      -> { @a / Object.new }.should raise_error(TypeError)
+    end
   end
 end