net: emit host in lookup event

Previously, we emitted ip and addressType. This change includes the host
as the last argument to the lookup event.

PR-URL: https://github.com/nodejs/node/pull/5598
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>

1 files changed, 8 insertions, 6 deletions

diff --git a/test/parallel/test-net-dns-lookup.js b/test/parallel/test-net-dns-lookup.js
index 2bcff9143c..097bdf8eca 100644
--- a/test/parallel/test-net-dns-lookup.js
+++ b/test/parallel/test-net-dns-lookup.js
@@ -10,12 +10,14 @@ var server = net.createServer(function(client) {
 });
 
 server.listen(common.PORT, '127.0.0.1', function() {
-  net.connect(common.PORT, 'localhost').on('lookup', function(err, ip, type) {
-    assert.equal(err, null);
-    assert.equal(ip, '127.0.0.1');
-    assert.equal(type, '4');
-    ok = true;
-  });
+  net.connect(common.PORT, 'localhost')
+    .on('lookup', function(err, ip, type, host) {
+      assert.equal(err, null);
+      assert.equal(ip, '127.0.0.1');
+      assert.equal(type, '4');
+      assert.equal(host, 'localhost');
+      ok = true;
+    });
 });
 
 process.on('exit', function() {