From ed2af78b67333c419ba051e27fb7e34e8876edf0 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 30 Sep 2016 12:46:53 +0000
Subject: test_flip.rb: add

* test/ruby/test_flip.rb (test_flip_flop): basic test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56299 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_flip.rb | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test/ruby/test_flip.rb b/test/ruby/test_flip.rb
index 0f2ae09e18..11f387d7ac 100644
--- a/test/ruby/test_flip.rb
+++ b/test/ruby/test_flip.rb
@@ -2,6 +2,11 @@
 require 'test/unit'
 
 class TestFlip < Test::Unit::TestCase
+  def test_flip_flop
+    assert_equal [2], (1..9).select {|n| true if (n==2)..(n%2).zero?}
+    assert_equal [2,3,4], (1..9).select {|n| true if (n==2)...(n%2).zero?}
+  end
+
   def test_hidden_key
     bug6899 = '[ruby-core:47253]'
     foo = "foor"
-- 
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