Merge pull request #3278 from bouk/dup-class

Copy over INSTANCE_TT when duping class

1 files changed, 8 insertions, 0 deletions

diff --git a/test/t/kernel.rb b/test/t/kernel.rb
index 927166283..d240e59dc 100644
--- a/test/t/kernel.rb
+++ b/test/t/kernel.rb
@@ -221,6 +221,14 @@ assert('Kernel#dup', '15.3.1.3.9') do
   assert_false c.respond_to?(:test)
 end
 
+assert('Kernel#dup class') do
+  assert_nothing_raised do
+    Array.dup.new(200)
+    Range.dup.new(2, 3)
+    String.dup.new("a"*50)
+  end
+end
+
 # Kernel#eval is provided by mruby-eval mrbgem '15.3.1.3.12'
 
 assert('Kernel#extend', '15.3.1.3.13') do