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stringio.c: encoding at EOF

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* ext/stringio/stringio.c (strio_read): should return string with
  the external encoding, at EOF too.
  [ruby-core:82349] [Bug #13806]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59578 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-08-12 01:47:09 +00:00
parent 201d0e7e33
commit 6ee82564fa
2 changed files with 13 additions and 0 deletions
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2
ext/stringio/stringio.c
View file

@ -1392,12 +1392,14 @@ strio_read(int argc, VALUE *argv, VALUE self)
case 0:
len = RSTRING_LEN(ptr->string);
if (len <= ptr->pos) {
rb_encoding *enc = binary ? rb_ascii8bit_encoding() : get_enc(ptr);
if (NIL_P(str)) {
str = rb_str_new(0, 0);
}
else {
rb_str_resize(str, 0);
}
rb_enc_associate(str, enc);
return str;
}
else {

11
test/stringio/test_stringio.rb
View file

@ -577,6 +577,13 @@ class TestStringIO < Test::Unit::TestCase
s = "0123456789"
assert_same(s, f.read(nil, s))
assert_equal("\u3042\u3044", s)
bug13806 = '[ruby-core:82349] [Bug #13806]'
assert_string("", Encoding::UTF_8, f.read, bug13806)
assert_string("", Encoding::UTF_8, f.read(nil, nil), bug13806)
s.force_encoding(Encoding::US_ASCII)
assert_same(s, f.read(nil, s))
assert_string("", Encoding::UTF_8, s, bug13806)
end
def test_readpartial
@ -756,4 +763,8 @@ class TestStringIO < Test::Unit::TestCase
assert_equal(0x100000, s.pos)
end;
end
def assert_string(content, encoding, str, mesg = nil)
assert_equal([content, encoding], [str, str.encoding], mesg)
end
end