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

1 files changed, 17 insertions, 14 deletions

diff --git a/spec/ruby/library/prime/instance_spec.rb b/spec/ruby/library/prime/instance_spec.rb
index 5183f36901..82f21913b7 100644
--- a/spec/ruby/library/prime/instance_spec.rb
+++ b/spec/ruby/library/prime/instance_spec.rb
@@ -1,21 +1,24 @@
 require_relative '../../spec_helper'
-require 'prime'
 
-describe "Prime.instance" do
-  it "returns a object representing the set of prime numbers" do
-    Prime.instance.should be_kind_of(Prime)
-  end
+ruby_version_is ""..."3.1" do
+  require 'prime'
 
-  it "returns a object with no obsolete features" do
-    Prime.instance.should_not respond_to(:succ)
-    Prime.instance.should_not respond_to(:next)
-  end
+  describe "Prime.instance" do
+    it "returns a object representing the set of prime numbers" do
+      Prime.instance.should be_kind_of(Prime)
+    end
 
-  it "does not complain anything" do
-    -> { Prime.instance }.should_not complain
-  end
+    it "returns a object with no obsolete features" do
+      Prime.instance.should_not respond_to(:succ)
+      Prime.instance.should_not respond_to(:next)
+    end
+
+    it "does not complain anything" do
+      -> { Prime.instance }.should_not complain
+    end
 
-  it "raises a ArgumentError when is called with some arguments" do
-    -> { Prime.instance(1) }.should raise_error(ArgumentError)
+    it "raises a ArgumentError when is called with some arguments" do
+      -> { Prime.instance(1) }.should raise_error(ArgumentError)
+    end
   end
 end