From 0c467565ca9b9e9f3f99010044aa839eb1631454 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 13 Nov 2017 05:46:30 +0000
Subject: [PATCH] test_regexp.rb: test_absent

* test/ruby/test_regexp.rb (test_absent): add simple tests for
  absent operator.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60754 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_regexp.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index 549b21c84e..d17a125444 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -1232,6 +1232,14 @@ class TestRegexp < Test::Unit::TestCase
     end;
   end
 
+  def test_absent
+    assert_equal(0, /(?~(a|c)c)/ =~ "abb")
+    assert_equal("abb", $&)
+
+    assert_equal(0, /\/\*((?~\*\/))\*\// =~ "/*abc*def/xyz*/ /* */")
+    assert_equal("abc*def/xyz", $1)
+  end
+
   # This assertion is for porting x2() tests in testpy.py of Onigmo.
   def assert_match_at(re, str, positions, msg = nil)
     re = Regexp.new(re) unless re.is_a?(Regexp)