1 files changed, 19 insertions, 0 deletions
diff --git a/spec/ruby/core/struct/new_spec.rb b/spec/ruby/core/struct/new_spec.rb
index 7b4a4f7980..a94eb852e1 100644
--- a/spec/ruby/core/struct/new_spec.rb
+++ b/spec/ruby/core/struct/new_spec.rb
@@ -47,6 +47,11 @@ describe "Struct.new" do
     Struct.const_defined?("Animal2").should be_false
   end
 
+  it "allows non-ASCII member name" do
+    name = "r\xe9sum\xe9".dup.force_encoding(Encoding::ISO_8859_1).to_sym
+    struct = Struct.new(name)
+    struct.new("foo").send(name).should == "foo"
+  end
 
   it "fails with invalid constant name as first argument" do
     -> { Struct.new('animal', :name, :legs, :eyeballs) }.should raise_error(NameError)
@@ -78,6 +83,20 @@ describe "Struct.new" do
     end
   end
 
+  ruby_version_is ""..."3.3" do
+    it "raises ArgumentError if not provided any arguments" do
+      -> { Struct.new }.should raise_error(ArgumentError)
+    end
+  end
+
+  ruby_version_is "3.3" do
+    it "works when not provided any arguments" do
+      c = Struct.new
+      c.should be_kind_of(Class)
+      c.superclass.should == Struct
+    end
+  end
+
   it "raises ArgumentError when there is a duplicate member" do
     -> { Struct.new(:foo, :foo) }.should raise_error(ArgumentError, "duplicate member: foo")
   end