1 files changed, 47 insertions, 0 deletions
diff --git a/testing/web-platform/tests/custom-elements/v0/registering/unresolved-elements-interface-svg-element.html b/testing/web-platform/tests/custom-elements/v0/registering/unresolved-elements-interface-svg-element.html
new file mode 100644
index 000000000..4164b62dc
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+++ b/testing/web-platform/tests/custom-elements/v0/registering/unresolved-elements-interface-svg-element.html
@@ -0,0 +1,47 @@
+<!DOCTYPE html>
+<html>
+<head>
+<title>Unresolved element interface must be SVGElement, if the namespace is SVG Namespace</title>
+<meta name="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru">
+<meta name="author" title="Vasiliy Degtyarev" href="mailto:vasya@unipro.ru">
+<meta name="author" title="Aleksei Yu. Semenov" href="mailto:a.semenov@unipro.ru">
+<meta name="assert" content="When an unresolved element is created, it's element interface must be SVGElement if the namespace is SVG Namespace">
+<link rel="help" href="http://www.w3.org/TR/custom-elements/#registering-custom-elements">
+<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 xsvg = doc.createElementNS(SVG_NAMESPACE, 'x-svg');
+
+    assert_class_string(xsvg, 'SVGElement', 'Unresolved custom element must be a SVG element');
+}, 'Test interface of unresolved element with valid name, created by Document.createElementNS()');
+
+
+test(function() {
+    var doc = newHTMLDocument();
+    doc.body.innerHTML =
+        '<svg xmlns=' + SVG_NAMESPACE + ' version="1.1">' +
+            '<x-svg-a id="x-svg"></x-svg-a>' +
+        '</svg>';
+    var xsvg = doc.querySelector('#x-svg');
+
+    assert_class_string(xsvg, 'SVGElement', 'Unresolved custom element must be a SVG element');
+}, 'Test interface of unresolved element with valid name, created via innerHTML property');
+
+
+testInIFrame('../resources/x-svg-element.html', function(doc) {
+    var xsvg = doc.getElementById('x-svg-element');
+
+    assert_not_equals(xsvg, null, 'Unresolved custom element should not be null');
+
+    assert_class_string(xsvg, 'SVGElement',
+        'Unresolved custom element must be a SVG element');
+}, 'Test interface of unresolved element in loaded HTML document with embedded SVG elements');
+</script>
+</body>
+</html>