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-rw-r--r--test/ruby/test_string.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb
index f28c1c84e7..ce90c1e8d7 100644
--- a/test/ruby/test_string.rb
+++ b/test/ruby/test_string.rb
@@ -502,6 +502,7 @@ class TestString < Test::Unit::TestCase
assert_equal(false, "a\u3041\u3042".tr("\u3041", "a").ascii_only?)
assert_equal("a", "abc\u{3042 3044 3046}".delete("^a"))
+ assert_equal("bc\u{3042 3044 3046}", "abc\u{3042 3044 3046}".delete("a"))
assert_equal("\u3042", "abc\u{3042 3044 3046}".delete("^\u3042"))
end