diff options
| -rw-r--r-- | prism/encoding.c | 2 | ||||
| -rw-r--r-- | test/prism/format_errors_test.rb | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/prism/encoding.c b/prism/encoding.c index bdb9958e97..c8e0941d1d 100644 --- a/prism/encoding.c +++ b/prism/encoding.c @@ -2252,7 +2252,7 @@ static const uint8_t pm_utf_8_dfa[] = { */ static pm_unicode_codepoint_t pm_utf_8_codepoint(const uint8_t *b, ptrdiff_t n, size_t *width) { - assert(n >= 1); + assert(n >= 0); size_t maximum = (size_t) n; uint32_t codepoint; diff --git a/test/prism/format_errors_test.rb b/test/prism/format_errors_test.rb index 34d320a7b6..bc0b26165d 100644 --- a/test/prism/format_errors_test.rb +++ b/test/prism/format_errors_test.rb @@ -12,6 +12,13 @@ module Prism | ^ unexpected '<', ignoring it | ^ unexpected '>', ignoring it ERROR + + assert_equal <<~'ERROR', Debug.format_errors('"%W"\u"', false) + > 1 | "%W"\u" + | ^ expected a newline or semicolon after the statement + | ^ invalid token + | ^ expected a closing delimiter for the string literal + ERROR end end end |