From 55fb13eff9dbc5c0565dfb75d6a4e919af00e696 Mon Sep 17 00:00:00 2001 From: marcandre Date: Tue, 6 Nov 2012 17:10:50 +0000 Subject: * array.c: Support for Enumerator#size in trivial cases: each, each_index, reverse_each, sort_by, collect, collect!, select, select!, keep_if, reject, reject!, delete_if [Feature #6636] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/ruby/test_enumerator.rb | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'test/ruby/test_enumerator.rb') diff --git a/test/ruby/test_enumerator.rb b/test/ruby/test_enumerator.rb index 3143be21a0..c276455a01 100644 --- a/test/ruby/test_enumerator.rb +++ b/test/ruby/test_enumerator.rb @@ -420,5 +420,14 @@ class TestEnumerator < Test::Unit::TestCase assert_equal 42, enum.with_index.size assert_equal 42, enum.with_object(:foo).size end + + def test_size_for_enum_created_from_array + arr = %w[hello world] + %i[each each_with_index reverse_each sort_by! sort_by map map! + keep_if reject! reject select! select delete_if].each do |method| + assert_equal arr.size, arr.send(method).size + end + end + end -- cgit v1.2.3