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-rw-r--r--test/ruby/test_encoding.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/test/ruby/test_encoding.rb b/test/ruby/test_encoding.rb
index 85f1a2df17..9a780a64c5 100644
--- a/test/ruby/test_encoding.rb
+++ b/test/ruby/test_encoding.rb
@@ -107,6 +107,9 @@ class TestEncoding < Test::Unit::TestCase
bin = "a".force_encoding(Encoding::ASCII_8BIT)
asc = "b".force_encoding(Encoding::US_ASCII)
assert_equal(Encoding::ASCII_8BIT, Encoding.compatible?(bin, asc))
+ bin = "\xff".force_encoding(Encoding::ASCII_8BIT).to_sym
+ asc = "b".force_encoding(Encoding::ASCII_8BIT)
+ assert_equal(Encoding::ASCII_8BIT, Encoding.compatible?(bin, asc))
end
def test_errinfo_after_autoload