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-rw-r--r--test/ostruct/test_ostruct.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/ostruct/test_ostruct.rb b/test/ostruct/test_ostruct.rb
index 14bc2b2da8..2c0da2a419 100644
--- a/test/ostruct/test_ostruct.rb
+++ b/test/ostruct/test_ostruct.rb
@@ -135,4 +135,10 @@ class TC_OpenStruct < Test::Unit::TestCase
e = assert_raise(ArgumentError) { os.send :foo=, true, true }
assert_match(/#{__callee__}/, e.backtrace[0])
end
+
+ def test_modifiable
+ os = OpenStruct.new(modifiable: true)
+ assert_equal true, os.modifiable
+ assert_nothing_raised { os.foo = true }
+ end
end