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-rw-r--r--test/ruby/test_hash.rb10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/ruby/test_hash.rb b/test/ruby/test_hash.rb
index 0593785148..afb0ca4805 100644
--- a/test/ruby/test_hash.rb
+++ b/test/ruby/test_hash.rb
@@ -592,6 +592,16 @@ class TestHash < Test::Unit::TestCase
assert_nil(h[2])
end
+ def test_replace_bug9230
+ h = @cls[]
+ h.replace(@cls[])
+ assert_empty h
+
+ h = @cls[]
+ h.replace(@cls[].compare_by_identity)
+ assert_predicate(h, :compare_by_identity?)
+ end
+
def test_shift
h = @h.dup