From f9a6a1dd0c687dfc6e63e5d20bc3812416def301 Mon Sep 17 00:00:00 2001
From: luislavena <luislavena@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 4 Dec 2011 01:10:06 +0000
Subject: Introduce NEED_READCONV and NEED_WRITECONV to replace universal
 newline decorator

Use CRLF only when required to improve file reading and writing under Windows.
Patch by Hiroshi Shirosaki. [ruby-core:40706] [Feature #5562]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33937 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_io_m17n.rb | 48 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

(limited to 'test/ruby/test_io_m17n.rb')

diff --git a/test/ruby/test_io_m17n.rb b/test/ruby/test_io_m17n.rb
index 18f84c6253..6f823c85a3 100644
--- a/test/ruby/test_io_m17n.rb
+++ b/test/ruby/test_io_m17n.rb
@@ -2174,4 +2174,52 @@ EOT
       end
     end
   end
+
+  def test_binmode_with_pipe
+    with_pipe do |r, w|
+      src = "a\r\nb\r\nc\r\n"
+      w.binmode.write src
+      w.close
+
+      assert_equal("a", r.getc)
+      assert_equal("\n", r.getc)
+      r.binmode
+      assert_equal("b", r.getc)
+      assert_equal("\r", r.getc)
+      assert_equal("\n", r.getc)
+      assert_equal("c", r.getc)
+      assert_equal("\r", r.getc)
+      assert_equal("\n", r.getc)
+      assert_equal(nil, r.getc)
+      r.close
+    end
+  end if /mswin|mingw/ =~ RUBY_PLATFORM
+
+  def test_stdin_binmode
+    with_pipe do |in_r, in_w|
+      with_pipe do |out_r, out_w|
+        pid = Process.spawn({}, EnvUtil.rubybin, '-e', <<-'End', in: in_r, out: out_w)
+          STDOUT.binmode
+          STDOUT.write STDIN.getc
+          STDOUT.write STDIN.getc
+          STDIN.binmode
+          STDOUT.write STDIN.getc
+          STDOUT.write STDIN.getc
+          STDOUT.write STDIN.getc
+          STDOUT.write STDIN.getc
+          STDOUT.write STDIN.getc
+          STDOUT.write STDIN.getc
+          STDOUT.write STDIN.getc
+        End
+        in_r.close
+        out_w.close
+        src = "a\r\nb\r\nc\r\n"
+        in_w.binmode.write src
+        in_w.close
+        Process.wait pid
+        assert_equal "a\nb\r\nc\r\n", out_r.binmode.read
+        out_r.close
+      end
+    end
+  end if /mswin|mingw/ =~ RUBY_PLATFORM
 end
-- 
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