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* enumerator.c: Support for lazy.{map|flat_map|...}.size

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[Feature #6636]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37522 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
marcandre 2012-11-06 17:16:13 +00:00
parent c8426ce840
commit 5dbbfc3b34
2 changed files with 22 additions and 12 deletions
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8
test/ruby/test_lazy_enumerator.rb
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@ -328,5 +328,13 @@ EOS
lazy = [1, 2, 3].lazy
assert_equal 3, lazy.size
assert_equal 42, Enumerator.new(42){}.lazy.size
%i[map collect flat_map collect_concat].each do |m|
assert_equal 3, lazy.send(m){}.size
end
assert_equal 3, lazy.zip([4]).size
%i[select find_all reject take_while drop_while].each do |m|
assert_equal nil, lazy.send(m){}.size
end
assert_equal nil, lazy.grep(//).size
end
end