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Add String#rindex test for invalid UTF-8 string

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dearblue
2019-08-10 22:18:23 +09:00
parent cf5f290fa0
commit 414ab682f3
1 changed files with 7 additions and 0 deletions
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test/t/string.rb
+7
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@@ -560,6 +560,13 @@ assert('String#rindex(UTF-8)', '15.2.10.5.31') do
assert_nil str.rindex('さ')
assert_equal 12, str.rindex('ち')
assert_equal 3, str.rindex('ち', 10)
broken = "\xf0☀\xf1☁\xf2☂\xf3☃\xf0☀\xf1☁\xf2☂\xf3☃"
assert_nil broken.rindex("\x81") # "\x81" is a part of "☁" ("\xe2\x98\x81")
assert_equal 11, broken.rindex("☁")
assert_equal 11, broken.rindex("☁", 12)
assert_equal 11, broken.rindex("☁", 11)
assert_equal 3, broken.rindex("☁", 10)
end if UTF8STRING
# assert('String#scan', '15.2.10.5.32') do