1 files changed, 28 insertions, 0 deletions
diff --git a/test/ruby/test_nomethod_error.rb b/test/ruby/test_nomethod_error.rb
index 6d413e6391..aa2a88b2d8 100644
--- a/test/ruby/test_nomethod_error.rb
+++ b/test/ruby/test_nomethod_error.rb
@@ -106,4 +106,32 @@ class TestNoMethodError < Test::Unit::TestCase
 
     assert_match(/undefined method.+this_method_does_not_exist.+for.+Module/, err.to_s)
   end
+
+  def test_send_forward_raises
+    t = EnvUtil.labeled_class("Test") do
+      def foo(...)
+        forward(...)
+      end
+    end
+    obj = t.new
+    assert_raise(NoMethodError) do
+      obj.foo
+    end
+  end
+
+  # [Bug #21535]
+  def test_send_forward_raises_when_called_through_vcall
+    t = EnvUtil.labeled_class("Test") do
+      def foo(...)
+        forward(...)
+      end
+      def foo_indirect
+        foo # vcall
+      end
+    end
+    obj = t.new
+    assert_raise(NoMethodError) do
+      obj.foo_indirect
+    end
+  end
 end