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-rw-r--r--test/-ext-/integer/test_my_integer.rb22
1 files changed, 22 insertions, 0 deletions
diff --git a/test/-ext-/integer/test_my_integer.rb b/test/-ext-/integer/test_my_integer.rb
index bc4757f463..e6d8dd1a07 100644
--- a/test/-ext-/integer/test_my_integer.rb
+++ b/test/-ext-/integer/test_my_integer.rb
@@ -23,4 +23,26 @@ class TestIntegerExt < Test::Unit::TestCase
end
end
end
+
+ def test_my_integer_cmp
+ assert_raise(NotImplementedError) do
+ Bug::Integer::MyInteger.new <=> 0
+ end
+
+ begin
+ Bug::Integer::MyInteger.class_eval do
+ def <=>(other)
+ 0
+ end
+ end
+
+ assert_nothing_raised do
+ Bug::Integer::MyInteger.new <=> 0
+ end
+ ensure
+ Bug::Integer::MyInteger.class_eval do
+ remove_method :<=>
+ end
+ end
+ end
end