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

1 files changed, 27 insertions, 24 deletions

diff --git a/spec/ruby/library/matrix/unitary_spec.rb b/spec/ruby/library/matrix/unitary_spec.rb
index af4b2bb442..b579cb244d 100644
--- a/spec/ruby/library/matrix/unitary_spec.rb
+++ b/spec/ruby/library/matrix/unitary_spec.rb
@@ -1,33 +1,36 @@
 require_relative '../../spec_helper'
-require 'matrix'
 
-describe "Matrix.unitary?" do
-  it "returns false for non unitary matrices" do
-    Matrix[[0, 1], [1, 2]].should_not.unitary?
-    Matrix[[0, Complex(0, 2)], [Complex(0, 2), 0]].should_not.unitary?
-    Matrix[[1, 1, 0], [0, 1, 1], [1, 0, 1]].should_not.unitary?
-  end
+ruby_version_is ""..."3.1" do
+  require 'matrix'
 
-  it "returns true for unitary matrices" do
-    Matrix[[0, Complex(0, 1)], [Complex(0, 1), 0]].should.unitary?
-  end
+  describe "Matrix.unitary?" do
+    it "returns false for non unitary matrices" do
+      Matrix[[0, 1], [1, 2]].should_not.unitary?
+      Matrix[[0, Complex(0, 2)], [Complex(0, 2), 0]].should_not.unitary?
+      Matrix[[1, 1, 0], [0, 1, 1], [1, 0, 1]].should_not.unitary?
+    end
 
-  version_is((Matrix::const_defined?(:VERSION) ? Matrix::VERSION : "0.1.0"), "0.3.0") do
-    it "returns true for unitary matrices with a Complex and a negative #imag" do
-      Matrix[[0, Complex(0, 1)], [Complex(0, -1), 0]].should.unitary?
+    it "returns true for unitary matrices" do
+      Matrix[[0, Complex(0, 1)], [Complex(0, 1), 0]].should.unitary?
+    end
+
+    version_is((Matrix::const_defined?(:VERSION) ? Matrix::VERSION : "0.1.0"), "0.3.0") do
+      it "returns true for unitary matrices with a Complex and a negative #imag" do
+        Matrix[[0, Complex(0, 1)], [Complex(0, -1), 0]].should.unitary?
+      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.unitary?
-      }.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.unitary?
+        }.should raise_error(Matrix::ErrDimensionMismatch)
+      end
     end
   end
 end