From 327b22ad77bf285206d787d0f0c648234d95b707 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 30 Sep 2017 12:26:23 +0000
Subject: eval.c: check type

* eval.c (ignored_block): check argument type, which must be
  Module.  [ruby-dev:50270] [Bug #13956]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60077 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_refinement.rb | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index 31925f3933..629fcb894b 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -1961,6 +1961,27 @@ class TestRefinement < Test::Unit::TestCase
     end
   end
 
+  def test_using_wrong_argument
+    bug = '[ruby-dev:50270] [Bug #13956]'
+    pattern = /expected Module/
+    assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}")
+    bug = ""#{bug.dump}
+    pattern = /#{pattern}/
+    begin;
+      assert_raise_with_message(TypeError, pattern, bug) {
+        using(1) do end
+      }
+    end;
+    assert_separately([], "#{<<-"begin;"}\n#{<<-'end;'}")
+    bug = ""#{bug.dump}
+    pattern = /#{pattern}/
+    begin;
+      assert_raise_with_message(TypeError, pattern, bug) {
+        Module.new {using(1) {}}
+      }
+    end;
+  end
+
   class ToString
     c = self
     using Module.new {refine(c) {def to_s; "ok"; end}}
-- 
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