From 84833bd60a00a5f1078b3c3b54f0d0b1e44e0dea Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 7 Apr 2017 03:56:16 +0000
Subject: assert_not_respond_to private method

* test/lib/test/unit/assertions.rb (assert_not_respond_to): allow
  private flag as well as assert_respond_to.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/lib/test/unit/assertions.rb | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/test/lib/test/unit/assertions.rb b/test/lib/test/unit/assertions.rb
index c98e1ade58..ae8327f89a 100644
--- a/test/lib/test/unit/assertions.rb
+++ b/test/lib/test/unit/assertions.rb
@@ -375,6 +375,29 @@ EOT
         super(obj, meth, msg)
       end
 
+      # :call-seq:
+      #   assert_not_respond_to( object, method, failure_message = nil )
+      #
+      #Tests if the given Object does not respond to +method+.
+      #
+      #An optional failure message may be provided as the final argument.
+      #
+      #    assert_not_respond_to("hello", :reverse)  #Fails
+      #    assert_not_respond_to("hello", :does_not_exist)  #Succeeds
+      def assert_not_respond_to(obj, (meth, *priv), msg = nil)
+        unless priv.empty?
+          msg = message(msg) {
+            "Expected #{mu_pp(obj)} (#{obj.class}) to not respond to ##{meth}#{" privately" if priv[0]}"
+          }
+          return assert obj.respond_to?(meth, *priv), msg
+        end
+        #get rid of overcounting
+        if caller_locations(1, 1)[0].path.start_with?(MINI_DIR)
+          return unless obj.respond_to?(meth)
+        end
+        refute_respond_to(obj, meth, msg)
+      end
+
       # :call-seq:
       #   assert_send( +send_array+, failure_message = nil )
       #
-- 
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