From 20e68b6285b4a8e891c77c27987105828f06ef62 Mon Sep 17 00:00:00 2001
From: Tobias Bieniek <tobias.bieniek@gmail.com>
Date: Sun, 8 Oct 2017 13:01:53 +0200
Subject: [PATCH] Fix default "rootElement" for Ember projects

---
 lib/qunit-dom.js                   | 2 +-
 tests/acceptance/qunit-dom-test.js | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/qunit-dom.js b/lib/qunit-dom.js
index 909afea49..60e00185e 100644
--- a/lib/qunit-dom.js
+++ b/lib/qunit-dom.js
@@ -4,6 +4,6 @@ import DOMAssertions from './assertions';
 
 QUnit.extend(QUnit.assert, {
   dom(target, rootElement) {
-    return new DOMAssertions(target, rootElement || document, this);
+    return new DOMAssertions(target, rootElement || this.dom.rootElement || document, this);
   }
 });
diff --git a/tests/acceptance/qunit-dom-test.js b/tests/acceptance/qunit-dom-test.js
index f2157a23c..8e45ec37c 100644
--- a/tests/acceptance/qunit-dom-test.js
+++ b/tests/acceptance/qunit-dom-test.js
@@ -4,11 +4,13 @@ import moduleForAcceptance from '../../tests/helpers/module-for-acceptance';
 moduleForAcceptance('Acceptance | qunit-dom');
 
 test('qunit-dom assertions are available', function(assert) {
-  assert.expect(5);
+  assert.expect(6);
 
   assert.ok(assert.dom, 'assert.dom is available');
   assert.ok(assert.dom('.foo').textContains, 'assert.dom(...).textContains is available');
 
+  assert.dom('#qunit').missing('rootElement is set to #ember-testing-container');
+
   visit('/');
   andThen(() => {
     assert.dom('#title').exists();