dns: implement {ttl: true} for dns.resolve6()

Add an option to retrieve the Time-To-Live of the AAAA record.

PR-URL: https://github.com/nodejs/node/pull/9296
Refs: https://github.com/nodejs/node/issues/5893
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>

1 files changed, 21 insertions, 0 deletions

diff --git a/test/internet/test-dns.js b/test/internet/test-dns.js
index 096ed87e79..db3449dc72 100644
--- a/test/internet/test-dns.js
+++ b/test/internet/test-dns.js
@@ -81,6 +81,27 @@ TEST(function test_resolve4_ttl(done) {
   checkWrap(req);
 });
 
+TEST(function test_resolve6_ttl(done) {
+  var req = dns.resolve6('google.com', { ttl: true }, function(err, result) {
+    assert.ifError(err);
+    assert.ok(result.length > 0);
+
+    for (var i = 0; i < result.length; i++) {
+      var item = result[i];
+      assert.ok(item);
+      assert.strictEqual(typeof item, 'object');
+      assert.strictEqual(typeof item.ttl, 'number');
+      assert.strictEqual(typeof item.address, 'string');
+      assert.ok(item.ttl > 0);
+      assert.ok(isIPv6(item.address));
+    }
+
+    done();
+  });
+
+  checkWrap(req);
+});
+
 TEST(function test_resolveMx(done) {
   var req = dns.resolveMx('gmail.com', function(err, result) {
     if (err) throw err;