diff options
author | nagachika <nagachika@ruby-lang.org> | 2021-09-18 16:11:19 +0900 |
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committer | nagachika <nagachika@ruby-lang.org> | 2021-09-18 16:11:19 +0900 |
commit | 7b55ff21b52e818819b698326f80158643175645 (patch) | |
tree | 453a90041608ca145fd45d518e24939b22016e71 /test | |
parent | e6e25b794d8db52e1df85a02f28846ad7eb82d49 (diff) |
merge revision(s) 564ccd095a9d7fbe869031dbf666d61dadfdcb03: [Backport #17756]
[ruby/strscan] Fix segmentation fault of `StringScanner#charpos` when
`String#byteslice` returns non string value [Bug #17756] (#20)
https://github.com/ruby/strscan/commit/92961cde2b
---
ext/strscan/strscan.c | 5 +----
test/strscan/test_stringscanner.rb | 17 +++++++++++++++++
2 files changed, 18 insertions(+), 4 deletions(-)
Diffstat (limited to 'test')
-rw-r--r-- | test/strscan/test_stringscanner.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/strscan/test_stringscanner.rb b/test/strscan/test_stringscanner.rb index 4b001b317e..6e30be1f7d 100644 --- a/test/strscan/test_stringscanner.rb +++ b/test/strscan/test_stringscanner.rb @@ -206,6 +206,23 @@ class TestStringScanner < Test::Unit::TestCase assert_equal 11, s.charpos end + def test_charpos_not_use_string_methods + string = +'abcädeföghi' + scanner = create_string_scanner(string) + + class << string + EnvUtil.suppress_warning do + undef_method(*instance_methods) + end + end + + assert_equal 0, scanner.charpos + assert_equal "abcä", scanner.scan_until(/ä/) + assert_equal 4, scanner.charpos + assert_equal "defö", scanner.scan_until(/ö/) + assert_equal 8, scanner.charpos + end + def test_concat s = create_string_scanner('a'.dup) s.scan(/a/) |