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pack.c: unpack "M" may be ASCII only

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* pack.c (pack_unpack_internal): set ASCII only properly on "M",
  may be ASCII only.  [ruby-core:83055] [Bug #13949]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60059 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-09-29 08:00:47 +00:00
parent b455b8391d
commit d35b5a4726
2 changed files with 10 additions and 3 deletions
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5
test/ruby/test_pack.rb
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@ -686,6 +686,11 @@ EXPECTED
assert_equal(["pre=hoge"], "pre=hoge".unpack("M"))
assert_equal(["pre==31after"], "pre==31after".unpack("M"))
assert_equal(["pre===31after"], "pre===31after".unpack("M"))
bug = '[ruby-core:83055] [Bug #13949]'
s = "abcdef".unpack1("M")
assert_equal(Encoding::ASCII_8BIT, s.encoding)
assert_predicate(s, :ascii_only?, bug)
end
def test_pack_unpack_P2