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| author | Jeremy Evans <code@jeremyevans.net> | 2019-06-19 10:44:54 -0700 |
|---|---|---|
| committer | Jeremy Evans <code@jeremyevans.net> | 2019-07-02 08:34:01 -0700 |
| commit | 0f283054e7f568f09fbfc952d57ea6daf4abbd88 (patch) | |
| tree | 18106e6c0c0f743ffcd5028e0ce0a564f3c89610 /test/ruby/test_m17n.rb | |
| parent | 7582287eb27e6b649789ce31ffdcbbb9ffcaf726 (diff) | |
Check that String#scrub block does not modify receiver
Similar to the check used for String#gsub. Can fix possible
segfault.
Fixes [Bug #15941]
Diffstat (limited to 'test/ruby/test_m17n.rb')
| -rw-r--r-- | test/ruby/test_m17n.rb | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/ruby/test_m17n.rb b/test/ruby/test_m17n.rb index 953f6417b0..44f3cc97a9 100644 --- a/test/ruby/test_m17n.rb +++ b/test/ruby/test_m17n.rb @@ -1604,6 +1604,19 @@ class TestM17N < Test::Unit::TestCase assert_predicate(str.dup.taint.scrub, :tainted?) end + def test_scrub_modification_inside_block + str = ("abc\u3042".b << "\xE3\x80".b).force_encoding('UTF-8') + assert_raise(RuntimeError) {str.scrub{|_| str << "1234567890"; "?" }} + + str = "\x00\xD8\x42\x30".force_encoding(Encoding::UTF_16LE) + assert_raise(RuntimeError) do + str.scrub do |_| + str << "1\x002\x00".force_encoding('UTF-16LE') + "?\x00".force_encoding('UTF-16LE') + end + end + end + def test_scrub_replace_default assert_equal("\uFFFD\uFFFD\uFFFD", u("\x80\x80\x80").scrub) assert_equal("\uFFFDA", u("\xF4\x80\x80A").scrub) |