* array.c (rb_ary_take, rb_ary_take_while, rb_ary_drop,

  rb_ary_drop_while): new method. [ruby-dev:34067]

* test/ruby/test_array.rb: add tests for above.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@15791 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 16 insertions, 0 deletions

diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index c0206baed..ea2cef85c 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -1229,4 +1229,20 @@ class TestArray < Test::Unit::TestCase
     assert_equal(@cls[].permutation(0).to_a, @cls[[]])
 
   end
+
+  def test_take
+    assert_equal([1,2,3], [1,2,3,4,5,0].take(3))
+  end
+
+  def test_take_while
+    assert_equal([1,2], [1,2,3,4,5,0].take_while {|i| i < 3 })
+  end
+
+  def test_drop
+    assert_equal([4,5,0], [1,2,3,4,5,0].drop(3))
+  end
+
+  def test_drop_while
+    assert_equal([3,4,5,0], [1,2,3,4,5,0].drop_while {|i| i < 3 })
+  end
 end