added tests for get with paths

packages/ember-metal/tests/accessors/get_test.js

@@ -6,6 +6,10 @@ import {
   observer,
   addObserver
 } from '../..';
+import { run } from 'ember-metal';
+import {
+  Object as EmberObject
+} from 'ember-runtime';
 
 QUnit.module('Ember.get');
 
@@ -85,6 +89,23 @@ QUnit.test('warn on attempts to get a property path of undefined', function() {
   }, /Cannot call get with 'aProperty.on.aPath' on an undefined object/);
 });
 
+QUnit.test("get works with paths correctly", function() {
+  let func = function() {};
+  func.bar = 'awesome';
+
+  let obj = EmberObject.create({ bar: 'great' });
+  run(() => obj.destroy())
+
+  equal(get({ foo: null }, 'foo.bar'), undefined);
+  equal(get({ foo: { bar: 'hello' } }, 'foo.bar.length'), 5);
+  equal(get({ foo: func }, 'foo.bar'), 'awesome');
+  equal(get({ foo: func }, 'foo.bar.length'), 7);
+  equal(get({}, 'foo.bar.length'), undefined);
+  equal(get(function(){}, 'foo.bar.length'), undefined);
+  equal(get('', 'foo.bar.length'), undefined);
+  equal(get({ foo: obj }, 'foo.bar'), undefined);
+});
+
 QUnit.test('warn on attempts to get a property of null', function() {
   expectAssertion(function() {
     get(null, 'aProperty');