* enum.c (enum_grep_v, grep_i, grep_iter_i, Init_enum):

  Implement Enumerable#grep_v.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50491 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 0 deletions

diff --git a/test/ruby/test_enum.rb b/test/ruby/test_enum.rb
index 6961187471..f774c4260b 100644
--- a/test/ruby/test_enum.rb
+++ b/test/ruby/test_enum.rb
@@ -33,6 +33,18 @@ class TestEnumerable < Test::Unit::TestCase
     $VERBOSE = @verbose
   end
 
+  def test_grep_v
+    assert_equal([3], @obj.grep_v(1..2))
+    a = []
+    @obj.grep_v(2) {|x| a << x }
+    assert_equal([1, 3, 1], a)
+
+    a = []
+    lambda = ->(x, i) {a << [x, i]}
+    @obj.each_with_index.grep_v(proc{|x,i|x!=2}, &lambda)
+    assert_equal([[2, 1], [2, 4]], a)
+  end
+
   def test_grep
     assert_equal([1, 2, 1, 2], @obj.grep(1..2))
     a = []