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-rw-r--r--test/js/dom-element-next_prev_ElementSibling.html3
1 files changed, 3 insertions, 0 deletions
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>