1 files changed, 36 insertions, 0 deletions
diff --git a/spec/ruby/core/data/define_spec.rb b/spec/ruby/core/data/define_spec.rb
new file mode 100644
index 0000000000..2aa2c50d4c
--- /dev/null
+++ b/spec/ruby/core/data/define_spec.rb
@@ -0,0 +1,36 @@
+require_relative '../../spec_helper'
+require_relative 'fixtures/classes'
+
+ruby_version_is "3.2" do
+  describe "Data.define" do
+    it "accepts no arguments" do
+      empty_data = Data.define
+      empty_data.members.should == []
+    end
+
+    it "accepts symbols" do
+      movie = Data.define(:title, :year)
+      movie.members.should == [:title, :year]
+    end
+
+    it "accepts strings" do
+      movie = Data.define("title", "year")
+      movie.members.should == [:title, :year]
+    end
+
+    it "accepts a mix of strings and symbols" do
+      movie = Data.define("title", :year, "genre")
+      movie.members.should == [:title, :year, :genre]
+    end
+
+    it "accepts a block" do
+      movie = Data.define(:title, :year) do
+        def title_with_year
+          "#{title} (#{year})"
+        end
+      end
+      movie.members.should == [:title, :year]
+      movie.new("Matrix", 1999).title_with_year.should == "Matrix (1999)"
+    end
+  end
+end