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Fix keyword argument sepration issues when IO#open calls #to_open

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This commit is contained in:
Jeremy Evans 2019-09-25 11:02:40 -07:00
parent 5b9d646944
commit 0aa267f985
Notes: git 2019-09-27 00:02:34 +09:00
1 changed files with 13 additions and 0 deletions
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13
test/ruby/test_io.rb
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@ -2279,6 +2279,19 @@ class TestIO < Test::Unit::TestCase
assert_equal(o, o2)
end
def test_open_redirect_keyword
o = Object.new
def o.to_open(**kw); kw; end
assert_equal({:a=>1}, open(o, a: 1))
assert_warn(/The last argument is used as the keyword parameter.*for `to_open'/m) do
assert_equal({:a=>1}, open(o, {a: 1}))
end
def o.to_open(kw); kw; end
assert_equal({:a=>1}, open(o, a: 1))
assert_equal({:a=>1}, open(o, {a: 1}))
end
def test_open_pipe
open("|" + EnvUtil.rubybin, "r+") do |f|
f.puts "puts 'foo'"