* test/ruby/test_enum.rb (TestEnumerable#test_each_with_object):

  Add a test for Enumerable#each_with_object.



git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@18868 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_enum.rb b/test/ruby/test_enum.rb
index a73998296..ed82d7787 100644
--- a/test/ruby/test_enum.rb
+++ b/test/ruby/test_enum.rb
@@ -196,6 +196,16 @@ class TestEnumerable < Test::Unit::TestCase
     assert_equal({"cat"=>0, "wombat"=>2, "dog"=>1}, hash)
   end
 
+  def test_each_with_object
+    obj = [0, 1]
+    ret = (1..10).each_with_object(obj) {|i, memo|
+      memo[0] += i
+      memo[1] *= i
+    }
+    assert_same(obj, ret)
+    assert_equal([55, 3628800], ret)
+  end
+
   def test_zip
     assert_equal([[1,1],[2,2],[3,3],[1,1],[2,2]], @obj.zip(@obj))
     a = []