From 456d06bde333c11ba9852ec8a333de95f267e79f Mon Sep 17 00:00:00 2001
From: David Glasser <glasser@meteor.com>
Date: Thu, 5 Mar 2015 18:13:07 -0800
Subject: [PATCH] Failing test for #3571

This fails on both server and client.

This is also related to #2254.
---
 packages/mongo/observe_changes_tests.js | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/packages/mongo/observe_changes_tests.js b/packages/mongo/observe_changes_tests.js
index c863596b3d..79298cefcb 100644
--- a/packages/mongo/observe_changes_tests.js
+++ b/packages/mongo/observe_changes_tests.js
@@ -234,6 +234,29 @@ Tinytest.addAsync("observeChanges - unordered - specific fields + modify on excl
   });
 });
 
+Tinytest.addAsync(
+  "observeChanges - unordered - unset parent of observed field",
+  function (test, onComplete) {
+    var c = makeCollection();
+    withCallbackLogger(
+      test, ['added', 'changed', 'removed'], Meteor.isServer,
+      function (logger) {
+        var handle = c.find({}, {fields: {'type.name': 1}}).observeChanges(logger);
+        var id = c.insert({ type: { name: 'foobar' } });
+        logger.expectResultOnly('added', [id, { type: { name: 'foobar' } }]);
+
+        c.update(id, { $unset: { type: 1 } });
+        test.equal(c.find().fetch(), [{ _id: id }]);
+        logger.expectResultOnly('changed', [id, { type: undefined }]);
+
+        handle.stop();
+        onComplete();
+      }
+    );
+  }
+);
+
+
 
 Tinytest.addAsync("observeChanges - unordered - enters and exits result set through change", function (test, onComplete) {
   var c = makeCollection();