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* enumerator.c: Support #size for enumerators created from enumerators

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[Feature #6636]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37499 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
marcandre 2012-11-06 17:10:35 +00:00
parent acfd34a6a9
commit 57d596cdb4
2 changed files with 11 additions and 2 deletions
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6
test/ruby/test_enumerator.rb
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@ -414,5 +414,11 @@ class TestEnumerator < Test::Unit::TestCase
assert_equal nil, @obj.to_enum(:foo, 0, 1).size
assert_equal 2, @obj.to_enum(:foo, 0, 1){ 2 }.size
end
def test_size_for_enum_created_by_enumerators
enum = to_enum{ 42 }
assert_equal 42, enum.with_index.size
assert_equal 42, enum.with_object(:foo).size
end
end