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stringio.c: encoding at empty result

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* ext/stringio/stringio.c (strio_gets): should return string with
  the external encoding, at empty result.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59581 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-08-13 07:21:13 +00:00
parent c5f66a376f
commit 24d03b2204
2 changed files with 4 additions and 1 deletions
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3
ext/stringio/stringio.c
View file

@ -1149,7 +1149,8 @@ strio_gets(int argc, VALUE *argv, VALUE self)
VALUE str;
if (prepare_getline_args(&arg, argc, argv)->limit == 0) {
return rb_str_new(0, 0);
struct StringIO *ptr = readable(self);
return rb_enc_str_new(0, 0, get_enc(ptr));
}
str = strio_getline(&arg, readable(self));

2
test/stringio/test_stringio.rb
View file

@ -79,6 +79,8 @@ class TestStringIO < Test::Unit::TestCase
assert_equal("def\n", stringio.gets(""))
assert_raise(TypeError){StringIO.new("").gets(1, 1)}
assert_nothing_raised {StringIO.new("").gets(nil, nil)}
assert_string("", Encoding::UTF_8, StringIO.new("foo").gets(0))
end
def test_gets_chomp