From 57464618abee8c5d35d9a24767cdb62d1459b341 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 14 Jul 2017 10:53:35 +0000
Subject: io.c: textmode if newline decorator

* io.c (validate_enc_binmode): newline decorator implies text mode
  now.  [ruby-core:80270] [Bug #13350]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59336 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io_m17n.rb | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_io_m17n.rb b/test/ruby/test_io_m17n.rb
index 4a7cf33883..ccb124a46b 100644
--- a/test/ruby/test_io_m17n.rb
+++ b/test/ruby/test_io_m17n.rb
@@ -1608,6 +1608,44 @@ EOT
     }
   end
 
+
+  def test_binmode_decode_universal_newline
+    with_tmpdir {
+      generate_file("t.txt", "a\n")
+      assert_raise(ArgumentError) {
+        open("t.txt", "rb", newline: :universal) {}
+      }
+    }
+  end
+
+  def test_default_mode_decode_universal_newline_gets
+    with_tmpdir {
+      generate_file("t.crlf", "a\r\nb\r\nc\r\n")
+      open("t.crlf", "r", newline: :universal) {|f|
+        assert_equal("a\n", f.gets)
+        assert_equal("b\n", f.gets)
+        assert_equal("c\n", f.gets)
+        assert_equal(nil, f.gets)
+      }
+
+      generate_file("t.cr", "a\rb\rc\r")
+      open("t.cr", "r", newline: :universal) {|f|
+        assert_equal("a\n", f.gets)
+        assert_equal("b\n", f.gets)
+        assert_equal("c\n", f.gets)
+        assert_equal(nil, f.gets)
+      }
+
+      generate_file("t.lf", "a\nb\nc\n")
+      open("t.lf", "r", newline: :universal) {|f|
+        assert_equal("a\n", f.gets)
+        assert_equal("b\n", f.gets)
+        assert_equal("c\n", f.gets)
+        assert_equal(nil, f.gets)
+      }
+    }
+  end
+
   def test_read_newline_conversion_with_encoding_conversion
     with_tmpdir {
       generate_file("t.utf8.crlf", "a\r\nb\r\n")
-- 
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