1 files changed, 14 insertions, 10 deletions
diff --git a/mrbgems/mruby-struct/test/struct.rb b/mrbgems/mruby-struct/test/struct.rb
index 2b5751086..93930730b 100644
--- a/mrbgems/mruby-struct/test/struct.rb
+++ b/mrbgems/mruby-struct/test/struct.rb
@@ -153,14 +153,14 @@ assert("Struct#dig") do
   assert_equal 1, a.dig(1, 0)
 end
 
-assert("Struct.new removes existing constant") do
-  skip "redefining Struct with same name cause warnings"
-  begin
-    assert_not_equal Struct.new("Test", :a), Struct.new("Test", :a, :b)
-  ensure
-    Struct.remove_const :Test
-  end
-end
+# TODO: suppress redefining Struct warning during test
+# assert("Struct.new removes existing constant") do
+#   begin
+#     assert_not_equal Struct.new("Test", :a), Struct.new("Test", :a, :b)
+#   ensure
+#     Struct.remove_const :Test
+#   end
+# end
 
 assert("Struct#initialize_copy requires struct to be the same type") do
   begin
@@ -182,6 +182,10 @@ assert("Struct.new does not allow array") do
   end
 end
 
+assert("Struct.new does not allow invalid class name") do
+  assert_raise(NameError) { Struct.new("Test-", :a) }
+end
+
 assert("Struct.new generates subclass of Struct") do
   begin
     original_struct = Struct
@@ -200,7 +204,7 @@ assert 'Struct#freeze' do
   assert_equal :test, o.m
 
   o.freeze
-  assert_raise(RuntimeError) { o.m = :modify }
-  assert_raise(RuntimeError) { o[:m] = :modify }
+  assert_raise(FrozenError) { o.m = :modify }
+  assert_raise(FrozenError) { o[:m] = :modify }
   assert_equal :test, o.m
 end