string.c: ASCII-incompatible is not ASCII only

* string.c (tr_trans): ASCII-incompatible encoding strings cannot
  be ASCII-only even if valid.  [ruby-core:83056] [Bug #13950]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60060 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-09-29 08:15:50 +00:00
parent d35b5a4726
commit 2d42119903
2 changed files with 7 additions and 2 deletions

View File

@ -6637,7 +6637,7 @@ tr_trans(VALUE str, VALUE src, VALUE repl, int sflag)
}
}
if (cr == ENC_CODERANGE_VALID)
if (cr == ENC_CODERANGE_VALID && rb_enc_asciicompat(e1))
cr = ENC_CODERANGE_7BIT;
str_modify_keep_cr(str);
s = RSTRING_PTR(str); send = RSTRING_END(str);

View File

@ -2063,8 +2063,13 @@ CODE
assert_equal(false, "\u3041\u3042".tr("\u3041", "a").ascii_only?)
bug6156 = '[ruby-core:43335]'
bug13950 = '[ruby-core:83056] [Bug #13950]'
str, range, star = %w[b a-z *].map{|s|s.encode("utf-16le")}
assert_equal(star, str.tr(range, star), bug6156)
result = str.tr(range, star)
assert_equal(star, result, bug6156)
assert_not_predicate(str, :ascii_only?)
assert_not_predicate(star, :ascii_only?)
assert_not_predicate(result, :ascii_only?, bug13950)
end
def test_tr!