DOM append(), prepend(), after(), before(), and replaceWith() should throw an exception if a Docume…

third_party/WebKit/LayoutTests/fast/dom/ParentNode/append.html

Index: third_party/WebKit/LayoutTests/fast/dom/ParentNode/append.html
diff --git a/third_party/WebKit/LayoutTests/fast/dom/ParentNode/append.html b/third_party/WebKit/LayoutTests/fast/dom/ParentNode/append.html
index ad894c00b2155cd8f6b4b18b62114aa18332eb20..b302d5a7cfc1eeee8c19eda91d7d431fdf608384 100644
--- a/third_party/WebKit/LayoutTests/fast/dom/ParentNode/append.html
+++ b/third_party/WebKit/LayoutTests/fast/dom/ParentNode/append.html
@@ -79,6 +79,13 @@ function test_append(node, nodeName) {
         assert_equals(parent.childNodes[1], x);
         assert_equals(parent.childNodes[2].textContent, 'text');
     }, nodeName + '.append() with one element and text as argument, on a parent having a child.');
+
+    test(function() {
+        var parent = node.cloneNode();
+        var doc2 = document.implementation.createDocument("http://www.w3.org/1999/xhtml", "html");
+        assert_throws('HierarchyRequestError', () => { parent.append(doc2, "foo") });
+        assert_equals(parent.firstChild, null);
+    }, nodeName + '.append() with a Document as an argument should throw.');
 }
 
 test_append(document.createElement('div'), 'Element');