Add test inspired by #1475

Author: kneth

Diff for: CHANGELOG.md

@@ -1,4 +1,21 @@
-2.27.0 Release notes (2019-5-10)
+x.x.x Release notes (yyyy-MM-dd)
+=============================================================
+### Enhancements
+* None.
+
+### Fixed
+* <How to hit and notice issue? what was the impact?> ([#????](https://github.com/realm/realm-js/issues/????), since v?.?.?)
+* None.
+
+### Compatibility
+* Realm Object Server: 3.11.0 or later.
+* APIs are backwards compatible with all previous release of realm in the 2.x.y series.
+* File format: Generates Realms with format v9 (Reads and upgrades all previous formats)
+
+### Internal
+* None.
+
+2.27.0-rc.3 Release notes (2019-5-10)
 =============================================================
 NOTE: This release is only compatible with Realm Object Server 3.21.0 or later.
 

Diff for: tests/js/linkingobjects-tests.js

@@ -205,19 +205,42 @@ module.exports = {
         });
 
         TestCase.assertEqual(john.linkingObjectsCount(), 0);
-        
+
         var olivier;
         realm.write(function() {
             olivier = realm.create('PersonObject', {name: 'Olivier', age: 0});
             realm.create('PersonObject', {name: 'Christine', age: 25, children: [olivier]});
         });
-        
+
         TestCase.assertEqual(olivier.linkingObjectsCount(), 1);
-        
+
         realm.write(function() {
             john.children.push(olivier);
         });
 
         TestCase.assertEqual(olivier.linkingObjectsCount(), 2);
+    },
+
+    testLinking: function () {
+        var realm = new Realm({schema: [schemas.Activity, schemas.Log]});
+
+        realm.write(function () {
+            realm.create('Activity', { id: 1, label: 'green', logs: [] });
+        });
+
+        realm.write(function () {
+            var newLog = realm.create('Log', { date: new Date() });
+            var activity = realm.objectForPrimaryKey('Activity', 1);
+            activity.logs.push(newLog);
+        });
+
+        var activities = realm.objects('Activity');
+        TestCase.assertEqual(activities.length, 1);
+        var logs = realm.objects('Log');
+        TestCase.assertEqual(logs.length, 1);
+        TestCase.assertEqual(logs[0]['belongsTo'].length, 1);
+        TestCase.assertEqual(logs[0]['belongsTo'][0]['id'], 1);
+
+        realm.close();
     }
 };

Diff for: tests/js/schemas.js

@@ -324,3 +324,20 @@ exports.Country = {
     }
 };
 
+exports.Log = {
+    name: 'Log',
+    properties: {
+        date: 'date',
+        belongsTo: {type: 'linkingObjects', objectType: 'Activity', property: 'logs'}
+    }
+};
+
+exports.Activity = {
+    name: 'Activity',
+    primaryKey: 'id',
+    properties: {
+        id: {type: 'int', indexed: true},
+        label: 'string',
+        logs: 'Log[]',
+    }
+};