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

1 files changed, 30 insertions, 27 deletions

diff --git a/spec/ruby/library/matrix/antisymmetric_spec.rb b/spec/ruby/library/matrix/antisymmetric_spec.rb
index 3eb0f8b726..a0d1a5f69b 100644
--- a/spec/ruby/library/matrix/antisymmetric_spec.rb
+++ b/spec/ruby/library/matrix/antisymmetric_spec.rb
@@ -1,36 +1,39 @@
 require_relative '../../spec_helper'
-require 'matrix'
 
-ruby_version_is "2.6" do
-  describe "Matrix#antisymmetric?" do
-    it "returns true for an antisymmetric Matrix" do
-      Matrix[[0, -2, Complex(1, 3)], [2, 0, 5], [-Complex(1, 3), -5, 0]].antisymmetric?.should be_true
-    end
+ruby_version_is ""..."3.1" do
+  require 'matrix'
 
-    it "returns true for a 0x0 empty matrix" do
-      Matrix.empty.antisymmetric?.should be_true
-    end
+  ruby_version_is "2.6" do
+    describe "Matrix#antisymmetric?" do
+      it "returns true for an antisymmetric Matrix" do
+        Matrix[[0, -2, Complex(1, 3)], [2, 0, 5], [-Complex(1, 3), -5, 0]].antisymmetric?.should be_true
+      end
 
-    it "returns false for non-antisymmetric matrices" do
-      [
-        Matrix[[1, 2, 3], [4, 5, 6], [7, 8, 9]],
-        Matrix[[1, -2, 3], [2, 0, 6], [-3, -6, 0]],  # wrong diagonal element
-        Matrix[[0, 2, -3], [2, 0, 6], [-3, 6, 0]]    # only signs wrong
-      ].each do |matrix|
-        matrix.antisymmetric?.should be_false
+      it "returns true for a 0x0 empty matrix" do
+        Matrix.empty.antisymmetric?.should be_true
+      end
+
+      it "returns false for non-antisymmetric matrices" do
+        [
+          Matrix[[1, 2, 3], [4, 5, 6], [7, 8, 9]],
+          Matrix[[1, -2, 3], [2, 0, 6], [-3, -6, 0]],  # wrong diagonal element
+          Matrix[[0, 2, -3], [2, 0, 6], [-3, 6, 0]]    # only signs wrong
+        ].each do |matrix|
+          matrix.antisymmetric?.should be_false
+        end
       end
-    end
 
-    it "raises an error for rectangular matrices" do
-      [
-        Matrix[[0], [0]],
-        Matrix[[0, 0]],
-        Matrix.empty(0, 2),
-        Matrix.empty(2, 0),
-      ].each do |rectangular_matrix|
-        -> {
-          rectangular_matrix.antisymmetric?
-        }.should raise_error(Matrix::ErrDimensionMismatch)
+      it "raises an error for rectangular matrices" do
+        [
+          Matrix[[0], [0]],
+          Matrix[[0, 0]],
+          Matrix.empty(0, 2),
+          Matrix.empty(2, 0),
+        ].each do |rectangular_matrix|
+          -> {
+            rectangular_matrix.antisymmetric?
+          }.should raise_error(Matrix::ErrDimensionMismatch)
+        end
       end
     end
   end