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class.c: fix option hash

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* class.c (rb_scan_args): if no keywords is given return nil as
  the option hash.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-12-16 10:25:21 +00:00
parent 5515c5642e
commit c5601931c2
2 changed files with 4 additions and 1 deletions
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2
class.c
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@ -1788,7 +1788,7 @@ rb_scan_args(int argc, const VALUE *argv, const char *fmt, ...)
if (!NIL_P(hash)) {
VALUE opts = rb_extract_keywords(&hash);
if (!hash) argc--;
hash = opts;
hash = opts ? opts : Qnil;
}
}
}

3
test/ruby/test_io.rb
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@ -2981,6 +2981,9 @@ End
File.unlink(path)
IO.write(path, "foo", encoding: Encoding::UTF_32BE)
assert_equal("\0\0\0f\0\0\0o\0\0\0o", File.binread(path))
assert_raise(TypeError) {
IO.write(path, "foo", Object.new => Object.new)
}
ensure
t.close!
end