1 files changed, 68 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/v0/instantiating/extensions-to-document-interface/create-element-namespace.html b/testing/web-platform/tests/custom-elements/v0/instantiating/extensions-to-document-interface/create-element-namespace.html
new file mode 100644
index 000000000..60d501219
--- /dev/null
+++ b/testing/web-platform/tests/custom-elements/v0/instantiating/extensions-to-document-interface/create-element-namespace.html
@@ -0,0 +1,68 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Document.createElement() sets custom element namespace to HTML Namespace</title>
+<meta name="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru">
+<meta name="assert" content="Namespace for createElement is HTML Namespace">
+<link rel="help" href="http://www.w3.org/TR/custom-elements/#extensions-to-document-interface-to-instantiate">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="../../testcommon.js"></script>
+</head>
+<body>
+<div id="log"></div>
+<script>
+test(function() {
+    var doc = newHTMLDocument();
+    var name = 'x-a';
+    doc.registerElement(name);
+    var customElement = doc.createElement(name);
+    assert_equals(customElement.namespaceURI, HTML_NAMESPACE,
+        'Custom element namespace should be HTML Namespace');
+}, 'Test Document.createElement() sets custom element namespace to HTML Namespace');
+
+
+test(function() {
+    var doc = newHTMLDocument();
+    var name = 'x-b';
+    var customElement = doc.createElement(name);
+    assert_equals(customElement.namespaceURI, HTML_NAMESPACE,
+        'Custom element namespace should be HTML Namespace');
+}, 'Test Document.createElement() sets custom element namespace to HTML Namespace ' +
+    'and an element definition with matching localName, namespace, and type is not registered');
+
+
+test(function() {
+    var doc = newHTMLDocument();
+    HTML5_ELEMENTS.forEach(function(tagName) {
+        var obj = doc.createElement(tagName);
+        var name = 'x-c-' + tagName;
+        var proto = Object.create(obj.constructor.prototype);
+        doc.registerElement(name, {
+            prototype: Object.create(proto),
+            extends: tagName
+        });
+        var customElement = doc.createElement(tagName, name);
+        assert_equals(customElement.namespaceURI, HTML_NAMESPACE,
+            'Custom element namespace for the element extending ' + tagName +
+            ' should be HTML Namespace');
+    });
+}, 'Document.createElement() sets custom element namespace to HTML Namespace. ' +
+    'Custom element is extending standard HTML tag');
+
+
+test(function() {
+    var doc = newHTMLDocument();
+    HTML5_ELEMENTS.forEach(function(tagName) {
+        var name = 'x-d-' + tagName;
+        var customElement = doc.createElement(tagName, name);
+        assert_equals(customElement.namespaceURI, HTML_NAMESPACE,
+            'Custom element namespace for the element with tag name ' + tagName +
+            ' and type name ' + name + ' should be HTML Namespace');
+    });
+}, 'Document.createElement() sets custom element namespace to HTML Namespace. ' +
+    'Document.createElement() is called with standard HTML tag name and ' +
+    'type without registered custom element of such type');
+</script>
+</body>
+</html>