* array.c (rb_ary_cycle): Support for Array#cycle.size

  [Feature #6636]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37505 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/ruby/test_enumerator.rb b/test/ruby/test_enumerator.rb
index 93d46a6c23..49d7827d35 100644
--- a/test/ruby/test_enumerator.rb
+++ b/test/ruby/test_enumerator.rb
@@ -456,5 +456,13 @@ class TestEnumerator < Test::Unit::TestCase
       (1..59).to_a.repeated_combination(42).size
       # 1.upto(100).inject(:*) / 1.upto(42).inject(:*) / 1.upto(58).inject(:*)
   end
+
+  def test_size_for_cycle
+    assert_equal Float::INFINITY, [:foo].cycle.size
+    assert_equal 10, [:foo, :bar].cycle(5).size
+    assert_equal 0,  [:foo, :bar].cycle(-10).size
+    assert_equal 0,  [].cycle.size
+    assert_equal 0,  [].cycle(5).size
+  end
 end