* io.c (argf_close): skip stdin, which should be readable again.

  [ruby-dev:45160] [Bug #5952]
* io.c (argf_readlines): reinitialize after all read to be
  readable again.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 20 insertions, 0 deletions

diff --git a/test/ruby/test_argf.rb b/test/ruby/test_argf.rb
index a588e07fcb..fe7603490b 100644
--- a/test/ruby/test_argf.rb
+++ b/test/ruby/test_argf.rb
@@ -741,4 +741,24 @@ class TestArgf < Test::Unit::TestCase
     end
     assert_nil(argf.gets, bug4274)
   end
+
+  def test_readlines_twice
+    bug5952 = '[ruby-dev:45160]'
+    assert_ruby_status(["-e", "2.times {STDIN.tty?; readlines}"], "", bug5952)
+  end
+
+  def test_readlines_twice_tty
+    bug5952 = '[ruby-dev:45160]'
+    require 'io/console'
+    require 'pty'
+  rescue LoadError
+    skip $!
+  else
+    lines = nil
+    PTY.spawn(EnvUtil.rubybin, "-e", "2.times{STDIN.tty?; p readlines}") do |slave, master, pid|
+      master.write("foo\n\C-d""bar\n\C-d")
+      lines = slave.readlines
+    end
+    assert_equal('["bar\n"]', lines.last.chomp, bug5952)
+  end
 end