commit e05c355958eb0e673db72063c97dcb8f37a4c3d2
author Kent Tamura <tkent@chromium.org> Thu Feb 08 04:46:15 2018
committer Blink WPT Bot <blink-w3c-test-autoroller@chromium.org> Thu Feb 08 04:57:24 2018
tree 039b1271125eb24505e685b2c3912d7ee0366eed
parent 19b995f0100dcc3c163153bd7e0a32249d736034

custom-elements: document.createElementNS should not create HTMLUnknownElement for a valid custom element name

Document::CreatRawElement() should check CustomElement::IsValidName().
It failed only if the Document didn't have V0 RegistrationContext.

Bug: 809887
Change-Id: I4e5d283658673db3e1db15b136ca5729d29e2442
Reviewed-on: https://chromium-review.googlesource.com/908128
Reviewed-by: Yoshifumi Inoue <yosin@chromium.org>
Commit-Queue: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#535299}

custom-elements/Document-createElementNS.html

diff --git a/custom-elements/Document-createElementNS.html b/custom-elements/Document-createElementNS.html
index 5711a46..ed30d0d 100644
--- a/custom-elements/Document-createElementNS.html
+++ b/custom-elements/Document-createElementNS.html
@@ -24,6 +24,14 @@
 }, 'autonomous: document.createElementNS should check namespaces.');
 
 test(() => {
+  const xhtmlNS = 'http://www.w3.org/1999/xhtml';
+  assert_false(document.createElementNS(xhtmlNS, 'x-foo') instanceof HTMLUnknownElement);
+  assert_false(document.createElementNS(xhtmlNS, 'x-foo', {}) instanceof HTMLUnknownElement);
+  assert_false((new Document()).createElementNS(xhtmlNS, 'x-foo') instanceof HTMLUnknownElement);
+  assert_false((new Document()).createElementNS(xhtmlNS, 'x-foo', {}) instanceof HTMLUnknownElement);
+}, 'autonomous: document.createElementNS should not create HTMLUnknownElement for a valid custom element name');
+
+test(() => {
   class MyBuiltinElement extends HTMLElement {};
 
   customElements.define('my-builtin', MyBuiltinElement, { extends: 'address' });