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-rw-r--r--test/ruby/test_lazy_enumerator.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb
index 6e5c1714a5..3f5a05555b 100644
--- a/test/ruby/test_lazy_enumerator.rb
+++ b/test/ruby/test_lazy_enumerator.rb
@@ -160,6 +160,10 @@ class TestLazyEnumerator < Test::Unit::TestCase
assert_equal([{?a=>97}, {?b=>98}, {?c=>99}], [?a, ?b, ?c].lazy.flat_map {|x| {x=>x.ord}}.force)
end
+ def test_flat_map_take
+ assert_equal([1,2]*3, [[1,2]].cycle.lazy.take(3).flat_map {|x| x}.to_a)
+ end
+
def test_reject
a = Step.new(1..6)
assert_equal(4, a.reject {|x| x < 4}.first)