From 2f52338328e694e3ba1141424cbf3f413bcfbaf9 Mon Sep 17 00:00:00 2001
From: Daniel Silverstone <dsilvers@digital-scurf.org>
Date: Wed, 21 Oct 2015 18:46:43 +0200
Subject: Fix up Element to return null rather than undefined, add tests

---
 test/js/dom-element-firstElementChild.html        | 2 ++
 test/js/dom-element-lastElementChild.html         | 2 ++
 test/js/dom-element-next_prev_ElementSibling.html | 3 +++
 3 files changed, 7 insertions(+)

(limited to 'test')

diff --git a/test/js/dom-element-firstElementChild.html b/test/js/dom-element-firstElementChild.html
index e3ff9bb59..d240310d0 100644
--- a/test/js/dom-element-firstElementChild.html
+++ b/test/js/dom-element-firstElementChild.html
@@ -7,5 +7,7 @@
 <h1>DOM firstElementChild reference (body)</h1>
 <p><b>head.firstElementChild:</b> <script>document.write(document.head.firstElementChild.textContent);</script></p>
 <p><b>body.firstElementChild:</b> <script>document.write(document.body.firstElementChild.textContent);</script></p>
+<h1>DOM nodes should be 'null' if not present</h1>
+<p><b>head.firstElementChild.firstElementChild:</b> <script>document.write(document.head.firstElementChild.firstElementChild);</script></p>
 </body>
 </html>
diff --git a/test/js/dom-element-lastElementChild.html b/test/js/dom-element-lastElementChild.html
index e4e9f11cb..a99b2e298 100644
--- a/test/js/dom-element-lastElementChild.html
+++ b/test/js/dom-element-lastElementChild.html
@@ -7,5 +7,7 @@
 <h1>DOM lastElementChild reference</h1>
 <p><b>head.lastElementChild:</b> <script>document.write(document.head.lastElementChild.textContent);</script></p>
 <p><b>body.lastElementChild:</b> <script>document.write(document.body.lastElementChild.textContent);</script></p>
+<h1>DOM nodes should be 'null' if not present</h1>
+<p><b>head.firstElementChild.lastElementChild:</b> <script>document.write(document.head.firstElementChild.lastElementChild);</script></p>
 </body>
 </html>
diff --git a/test/js/dom-element-next_prev_ElementSibling.html b/test/js/dom-element-next_prev_ElementSibling.html
index 85263cc17..168319dc8 100644
--- a/test/js/dom-element-next_prev_ElementSibling.html
+++ b/test/js/dom-element-next_prev_ElementSibling.html
@@ -10,5 +10,8 @@
 <p><b>head.lastElementChild.previousElementSibling:</b> <script>document.write(document.head.lastElementChild.previousElementSibling.textContent);</script></p>
 <!-- comment node should be skipped -->
 <p><b>body.firstElementChild.nextElementSibling:</b> <script>document.write(document.body.firstElementChild.nextElementSibling.textContent);</script></p>
+<h1>DOM nodes should be 'null' if not present</h1>
+<p><b>head.firstElementChild.previousElementSibling:</b> <script>document.write(document.head.firstElementChild.previousElementSibling);</script></p>
+<p><b>head.firstElementChild.nextElementSibling.nextElementSibling:</b> <script>document.write(document.head.firstElementChild.nextElementSibling.nextElementSibling);</script></p>
 </body>
 </html>
-- 
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