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-rw-r--r--test/-ext-/string/test_cstr.rb11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/-ext-/string/test_cstr.rb b/test/-ext-/string/test_cstr.rb
index 72a9dd6..272e090 100644
--- a/test/-ext-/string/test_cstr.rb
+++ b/test/-ext-/string/test_cstr.rb
@@ -93,6 +93,17 @@ class Test_StringCStr < Test::Unit::TestCase
{}[string] = 1
non_terminated = "#{string}#{nil}"
assert_nil(Bug::String.cstr_term_char(non_terminated), gh821)
+
+ result = {}
+ WCHARS.map do |enc|
+ embedded_string = "ab".encode(enc)
+ string = embedded_string.gsub("b".encode(enc), "1".encode(enc))
+ {}[string] = 1
+ non_terminated = "#{string}#{nil}"
+ c = Bug::String.cstr_term_char(non_terminated)
+ result[enc] = c if c
+ end
+ assert_empty(result, gh821)
end
def assert_wchars_term_char(str)