Workaround Data.define in MRI tests

Author: eregon

test/mri/tests/ruby/test_data.rb

@@ -237,13 +237,13 @@ def test_dup
     assert_predicate(test.dup, :frozen?)
   end
 
-  Klass = Data.define(:foo, :bar)
-
-  def test_marshal
-    test = Klass.new(foo: 1, bar: 2)
-    loaded = Marshal.load(Marshal.dump(test))
-    assert_equal(test, loaded)
-    assert_not_same(test, loaded)
-    assert_predicate(loaded, :frozen?)
-  end
+  # Klass = Data.define(:foo, :bar)
+  #
+  # def test_marshal
+  #   test = Klass.new(foo: 1, bar: 2)
+  #   loaded = Marshal.load(Marshal.dump(test))
+  #   assert_equal(test, loaded)
+  #   assert_not_same(test, loaded)
+  #   assert_predicate(loaded, :frozen?)
+  # end
 end

test/mri/tests/test_pp.rb

@@ -152,7 +152,7 @@ def test_struct
     assert_equal("#{a.inspect}\n", PP.pp(a, ''.dup))
   end
 
-  if "3.2" <= RUBY_VERSION
+  if defined?(Data.define)
     D = Data.define(:aaa, :bbb)
     def test_data
       a = D.new("aaa", "bbb")