From 510f0ec86912e31babaadf1f66bf2a82351c1359 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 8 Dec 2016 00:45:13 +0000
Subject: parse.y: ripper generic input

* parse.y (ripper_initialize): allow generic input as source, if
  it has #gets method.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57022 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ripper/test_ripper.rb | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'test/ripper')

diff --git a/test/ripper/test_ripper.rb b/test/ripper/test_ripper.rb
index c2084d8b01..b99feb7f83 100644
--- a/test/ripper/test_ripper.rb
+++ b/test/ripper/test_ripper.rb
@@ -117,4 +117,22 @@ end
 
     assert_nothing_raised { Ripper.lex src }
   end
+
+  class TestInput < self
+    Input = Struct.new(:lines) do
+      def gets
+        lines.shift
+      end
+    end
+
+    def setup
+      @ripper = Ripper.new(Input.new(["1 + 1"]))
+    end
+
+    def test_invalid_gets
+      ripper = assert_nothing_raised {Ripper.new(Input.new([0]))}
+      assert_raise(TypeError) {ripper.parse}
+    end
+  end
+
 end if ripper_test
-- 
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