Add failing test for broken HTTP responses with extra bytes.

For GH-680.

test/simple/test-http-extra-response.js

@@ -0,0 +1,65 @@
+var common = require('../common');
+var assert = require('assert');
+var http = require('http');
+var net = require('net');
+
+// If an HTTP server is broken and sends data after the end of the response,
+// node should ignore it and drop the connection.
+// Demos this bug: https://github.com/ry/node/issues/680
+
+var body = 'hello world\r\n';
+var fullResponse =
+  'HTTP/1.1 500 Internal Server Error\r\n' +
+  'Content-Length: ' + body.length + '\r\n' +
+  'Content-Type: text/plain\r\n' +
+  'Date: Fri + 18 Feb 2011 06:22:45 GMT\r\n' +
+  'Host: 10.20.149.2\r\n' +
+  'Access-Control-Allow-Credentials: true\r\n' +
+  'Server: badly broken/0.1 (OS NAME)\r\n' +
+  '\r\n' +
+  body;
+
+var gotResponse = false;
+
+
+var server = net.createServer(function (socket) {
+  var postBody = '';
+
+  socket.setEncoding('utf8');
+
+  socket.on('data', function (chunk) {
+    postBody += chunk;
+
+    if (postBody.indexOf('\r\n') > -1) {
+      socket.write(fullResponse);
+      // omg, I wrote the response twice, what a terrible HTTP server I am.
+      socket.end(fullResponse);
+    }
+  });
+});
+
+
+server.listen(common.PORT, function() {
+  http.get({ port: common.PORT }, function(res) {
+    var buffer = '';
+    console.log('Got res code: ' + res.statusCode);
+
+    res.setEncoding('utf8');
+    res.on('data', function (chunk) {
+      buffer += chunk;
+    });
+
+    res.on('end', function () {
+      console.log('Response ended, read ' + buffer.length + ' bytes');
+      assert.equal(body, buffer);
+      server.close();
+      gotResponse = true;
+    });
+  });
+});
+
+
+process.on('exit', function() {
+  assert.ok(gotResponse);
+});
+