Guard ruby/spec with spec/mspec/tool/wrap_with_guard.rb

1 files changed, 25 insertions, 22 deletions

diff --git a/spec/ruby/library/matrix/singular_spec.rb b/spec/ruby/library/matrix/singular_spec.rb
index 7bba36a54a..341c2675a8 100644
--- a/spec/ruby/library/matrix/singular_spec.rb
+++ b/spec/ruby/library/matrix/singular_spec.rb
@@ -1,31 +1,34 @@
 require_relative '../../spec_helper'
-require 'matrix'
 
-describe "Matrix#singular?" do
-  it "returns true for singular matrices" do
-    m = Matrix[ [1,2,3], [3,4,3], [0,0,0] ]
-    m.singular?.should be_true
+ruby_version_is ""..."3.1" do
+  require 'matrix'
 
-    m = Matrix[ [1,2,9], [3,4,9], [1,2,9] ]
-    m.singular?.should be_true
-  end
+  describe "Matrix#singular?" do
+    it "returns true for singular matrices" do
+      m = Matrix[ [1,2,3], [3,4,3], [0,0,0] ]
+      m.singular?.should be_true
 
-  it "returns false if the Matrix is regular" do
-    Matrix[ [0,1], [1,0] ].singular?.should be_false
-  end
+      m = Matrix[ [1,2,9], [3,4,9], [1,2,9] ]
+      m.singular?.should be_true
+    end
 
-  it "returns false for an empty 0x0 matrix" do
-    Matrix.empty(0,0).singular?.should be_false
-  end
+    it "returns false if the Matrix is regular" do
+      Matrix[ [0,1], [1,0] ].singular?.should be_false
+    end
 
-  it "raises an error for rectangular matrices" do
-    -> {
-      Matrix[[1], [2], [3]].singular?
-    }.should raise_error(Matrix::ErrDimensionMismatch)
+    it "returns false for an empty 0x0 matrix" do
+      Matrix.empty(0,0).singular?.should be_false
+    end
 
-    -> {
-      Matrix.empty(3,0).singular?
-    }.should raise_error(Matrix::ErrDimensionMismatch)
-  end
+    it "raises an error for rectangular matrices" do
+      -> {
+        Matrix[[1], [2], [3]].singular?
+      }.should raise_error(Matrix::ErrDimensionMismatch)
+
+      -> {
+        Matrix.empty(3,0).singular?
+      }.should raise_error(Matrix::ErrDimensionMismatch)
+    end
 
+  end
 end