1 files changed, 10 insertions, 1 deletions
diff --git a/spec/ruby/core/float/magnitude_spec.rb b/spec/ruby/core/float/magnitude_spec.rb
index db577c15c5..4a753267e0 100644
--- a/spec/ruby/core/float/magnitude_spec.rb
+++ b/spec/ruby/core/float/magnitude_spec.rb
@@ -1,5 +1,14 @@
+require_relative "../../spec_helper"
 require_relative 'shared/abs'
 
 describe "Float#magnitude" do
-  it_behaves_like :float_abs, :magnitude
+  ruby_version_is ""..."3.4" do
+    it_behaves_like :float_abs, :magnitude
+  end
+
+  ruby_version_is "3.4" do
+    it "is an alias of Float#abs" do
+      Float.instance_method(:magnitude).should == Float.instance_method(:abs)
+    end
+  end
 end