test_lazy_enumerator.rb: test for cycle chain

* test/ruby/test_lazy_enumerator.rb (test_cycle_chain): more test for
  infinite sequence.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36549 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_lazy_enumerator.rb

@@ -286,7 +286,8 @@ class TestLazyEnumerator < Test::Unit::TestCase
   end
 
   def test_cycle_chain
-    a = Step.new(1..3)
+    a = 1..3
+    assert_equal([1,2,3,1,2,3,1,2,3,1], a.lazy.cycle.take(10).force)
     assert_equal([2,2,2,2,2,2,2,2,2,2], a.lazy.cycle.select {|x| x == 2}.take(10).force)
     assert_equal([2,2,2,2,2,2,2,2,2,2], a.lazy.select {|x| x == 2}.cycle.take(10).force)
   end