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-rw-r--r--test/-ext-/string/test_cstr.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/test/-ext-/string/test_cstr.rb b/test/-ext-/string/test_cstr.rb
index a7cb0ebe9c4..45359218364 100644
--- a/test/-ext-/string/test_cstr.rb
+++ b/test/-ext-/string/test_cstr.rb
@@ -60,6 +60,10 @@ class Test_StringCStr < Test::Unit::TestCase
assert_wchars_term_char("a"*30) {|s| s[29,1] = ""}
end
+ def test_wchar_sub!
+ assert_wchars_term_char("foobar") {|s| s.sub!(/#{"foo".encode(s.encoding)}/, "")}
+ end
+
def assert_wchars_term_char(str)
result = {}
WCHARS.map do |enc|