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* enumerator.c (enumerator_initialize): Warn when using deprecated form

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[Feature #6636]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37495 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
marcandre 2012-11-06 17:09:43 +00:00
parent ac7f5157ac
commit c73b6bd7eb
2 changed files with 5 additions and 1 deletions
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5
test/ruby/test_enumerator.rb
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@ -57,7 +57,10 @@ class TestEnumerator < Test::Unit::TestCase
def test_initialize
assert_equal([1, 2, 3], @obj.to_enum(:foo, 1, 2, 3).to_a)
assert_equal([1, 2, 3], Enumerator.new(@obj, :foo, 1, 2, 3).to_a)
_, err = capture_io do
assert_equal([1, 2, 3], Enumerator.new(@obj, :foo, 1, 2, 3).to_a)
end
assert_match 'Enumerator.new without a block is deprecated', err
assert_equal([1, 2, 3], Enumerator.new { |y| i = 0; loop { y << (i += 1) } }.take(3))
assert_raise(ArgumentError) { Enumerator.new }
end