* Add test case for empty array and first method with args.

  Patch by @yui-knk [fix rubyGH-955]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sat Jul  4 19:43:31 2015  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
+
+	* Add test case for empty array and first method with args.
+	  Patch by @yui-knk [fix GH-955]
+
 Sat Jul  4 19:39:08 2015  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
 
 	* Add test for `Enumerable#sort` with block. Patch by @yui-knk

enum.c

@@ -828,6 +828,7 @@ static VALUE enum_take(VALUE obj, VALUE n);
  *    %w[foo bar baz].first(2)  #=> ["foo", "bar"]
  *    %w[foo bar baz].first(10) #=> ["foo", "bar", "baz"]
  *    [].first                  #=> nil
+ *    [].first(10)              #=> []
  *
  */
 

test/ruby/test_enum.rb

@@ -202,6 +202,7 @@ def test_first
     assert_equal(1, @obj.first)
     assert_equal([1, 2, 3], @obj.first(3))
     assert_nil(@empty.first)
+    assert_equal([], @empty.first(10))
 
     bug5801 = '[ruby-dev:45041]'
     assert_in_out_err([], <<-'end;', [], /unexpected break/)