From 69ec3f70fab0c1c537c68fb135cc315181b1d750 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 11 Nov 2019 09:59:40 +0900
Subject: Warn EOF char in comment

---
 test/ruby/test_parse.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'test/ruby/test_parse.rb')

diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
index 2622ec529c..17a0c8a077 100644
--- a/test/ruby/test_parse.rb
+++ b/test/ruby/test_parse.rb
@@ -720,6 +720,15 @@ x = __ENCODING__
     assert_syntax_error("=begin", error)
   end
 
+  def test_embedded_rd_warning
+    [["\0", "\\0"], ["\C-d", "^D"], ["\C-z", "^Z"]].each do |eof, mesg|
+      mesg = /encountered #{Regexp.quote(mesg)}/
+      assert_warning(mesg) {eval("=begin\n#{eof}\n=end")}
+      assert_warning(mesg) {eval("=begin#{eof}\n=end")}
+      assert_warning(mesg) {eval("=begin\n=end#{eof}\n")}
+    end
+  end
+
   def test_float
     assert_equal(1.0/0, eval("1e10000"))
     assert_syntax_error('1_E', /trailing `_'/)
-- 
cgit v1.2.3