diff options
| -rw-r--r-- | string.c | 2 | ||||
| -rw-r--r-- | test/ruby/test_string.rb | 12 |
2 files changed, 13 insertions, 1 deletions
@@ -7409,7 +7409,7 @@ chomp_newline(const char *p, const char *e, rb_encoding *enc) if (rb_enc_is_newline(prev, e, enc)) { e = prev; prev = rb_enc_prev_char(p, e, e, enc); - if (rb_enc_ascget(prev, e, NULL, enc) == '\r') + if (prev && rb_enc_ascget(prev, e, NULL, enc) == '\r') e = prev; } return e; diff --git a/test/ruby/test_string.rb b/test/ruby/test_string.rb index 39477be220..d2fbd00a1d 100644 --- a/test/ruby/test_string.rb +++ b/test/ruby/test_string.rb @@ -843,6 +843,18 @@ CODE assert_equal "hello", S("hello\nworld").each_line(chomp: true).next assert_equal "hello\nworld", S("hello\nworld").each_line(nil, chomp: true).next + + res = [] + S("").each_line(chomp: true) {|x| res << x} + assert_equal([], res) + + res = [] + S("\n").each_line(chomp: true) {|x| res << x} + assert_equal([S("")], res) + + res = [] + S("\r\n").each_line(chomp: true) {|x| res << x} + assert_equal([S("")], res) end def test_lines |