* array.c (rb_ary_sample): rename #choice to #sample. in

  addition, sample takes optional argument, a la #first.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@18494 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 2 deletions

diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index 42553d193..7258b22a5 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -1518,9 +1518,13 @@ class TestArray < Test::Unit::TestCase
     end
   end
 
-  def test_choice
+  def test_sample
     100.times do
-      assert([0, 1, 2].include?([2, 1, 0].choice))
+      assert([0, 1, 2].include?([2, 1, 0].sample))
+      samples = [2, 1, 0].sample(2)
+      samples.each{|sample|
+        assert([0, 1, 2].include?(sample))
+      }
     end
   end