* lib/net/ftp.rb (gets, readline): read lines without LF properly.

[ruby-core:63205] [Bug #9949]

* test/net/ftp/test_buffered_socket.rb: related test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46457 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/net/ftp/test_buffered_socket.rb

@@ -0,0 +1,40 @@
+require "net/ftp"
+require "test/unit"
+require "ostruct"
+require "stringio"
+
+class FTPTest < Test::Unit::TestCase
+  def test_gets_empty
+    sock = create_buffered_socket("")
+    assert_equal(nil, sock.gets)
+  end
+
+  def test_gets_one_line
+    sock = create_buffered_socket("foo\n")
+    assert_equal("foo\n", sock.gets)
+  end
+
+  def test_gets_one_line_without_term
+    sock = create_buffered_socket("foo")
+    assert_equal("foo", sock.gets)
+  end
+
+  def test_gets_two_lines
+    sock = create_buffered_socket("foo\nbar\n")
+    assert_equal("foo\n", sock.gets)
+    assert_equal("bar\n", sock.gets)
+  end
+
+  def test_gets_two_lines_without_term
+    sock = create_buffered_socket("foo\nbar")
+    assert_equal("foo\n", sock.gets)
+    assert_equal("bar", sock.gets)
+  end
+
+  private
+
+  def create_buffered_socket(s)
+    io = StringIO.new(s)
+    return Net::FTP::BufferedSocket.new(io)
+  end
+end