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-rw-r--r--test/ruby/test_defined.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/test/ruby/test_defined.rb b/test/ruby/test_defined.rb
index de7ba9cc14..54f461ff03 100644
--- a/test/ruby/test_defined.rb
+++ b/test/ruby/test_defined.rb
@@ -99,6 +99,10 @@ class TestDefined < Test::Unit::TestCase
end
end
+ def test_defined_empty_paren_arg
+ assert_nil(defined?(p () + 1))
+ end
+
def test_defined_impl_specific
feature7035 = '[ruby-core:47558]' # not spec
assert_predicate(defined?(Foo), :frozen?, feature7035)