Fix size on Enumerable#cycle when the size is 0 [Bug #14082].

Patch by Kenichi Kamiya

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60666 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 0 deletions

diff --git a/test/ruby/test_enumerator.rb b/test/ruby/test_enumerator.rb
index bd6b7fa669..0ee11dad36 100644
--- a/test/ruby/test_enumerator.rb
+++ b/test/ruby/test_enumerator.rb
@@ -576,13 +576,20 @@ class TestEnumerator < Test::Unit::TestCase
     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 Float::INFINITY, {foo: 1}.cycle.size
+    assert_equal 10, {foo: 1, bar: 2}.cycle(5).size
+    assert_equal 0,  {foo: 1, bar: 2}.cycle(-10).size
     assert_equal 0,  [].cycle.size
     assert_equal 0,  [].cycle(5).size
+    assert_equal 0,  {}.cycle.size
+    assert_equal 0,  {}.cycle(5).size
 
     assert_equal nil, @obj.cycle.size
     assert_equal nil, @obj.cycle(5).size
     assert_equal Float::INFINITY, @sized.cycle.size
     assert_equal 126, @sized.cycle(3).size
+    assert_equal Float::INFINITY, [].to_enum { 42 }.cycle.size
+    assert_equal 0, [].to_enum { 0 }.cycle.size
   end
 
   def test_size_for_loops