diff options
| -rw-r--r-- | enum.c | 1 | ||||
| -rw-r--r-- | test/ruby/test_enumerator.rb | 7 |
2 files changed, 8 insertions, 0 deletions
@@ -2845,6 +2845,7 @@ enum_cycle_size(VALUE self, VALUE args, VALUE eobj) VALUE size = enum_size(self, args, 0); if (size == Qnil) return Qnil; + if (FIXNUM_ZERO_P(size)) return size; if (args && (RARRAY_LEN(args) > 0)) { n = RARRAY_AREF(args, 0); 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 |