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-rw-r--r--test/ruby/enc/test_case_mapping.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/enc/test_case_mapping.rb b/test/ruby/enc/test_case_mapping.rb
index 3ac647717d..2c712e448d 100644
--- a/test/ruby/enc/test_case_mapping.rb
+++ b/test/ruby/enc/test_case_mapping.rb
@@ -59,6 +59,12 @@ class TestCaseMappingPreliminary < Test::Unit::TestCase
check_swapcase_properties 'rÉsumÉ dÜrst ĬÑŦĖŘŊÃŢIJŇŐŃÆŁĨŻÀŤĬŌŅ', 'RÉSUMÉ DÜRST ĬÑŦĖŘŊÃŢIJŇŐŃÆŁĨŻÀŤĬŌŅ', :ascii
end
+ def test_fold_option
+ check_downcase_properties 'ss', 'ß', :fold
+ check_downcase_properties 'fifl', 'fifl', :fold
+ check_downcase_properties 'σ', 'ς', :fold
+ end
+
def test_turcic
check_downcase_properties 'yukihiro matsumoto (matz)', 'Yukihiro MATSUMOTO (MATZ)', :turkic
check_upcase_properties 'YUKİHİRO MATSUMOTO (MATZ)', 'Yukihiro Matsumoto (matz)', :turkic