1 files changed, 91 insertions, 0 deletions
diff --git a/testing/web-platform/tests/dom/nodes/Element-insertAdjacentElement.html b/testing/web-platform/tests/dom/nodes/Element-insertAdjacentElement.html
new file mode 100644
index 000000000..d03e56680
--- /dev/null
+++ b/testing/web-platform/tests/dom/nodes/Element-insertAdjacentElement.html
@@ -0,0 +1,91 @@
+<!doctype html>
+<meta charset=utf-8>
+<title></title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+
+<div id="target"></div>
+<div id="parent"><span id=target2></span></div>
+<div id="log" style="visibility:visible"></div>
+<span id="test1"></span>
+<span id="test2"></span>
+<span id="test3"></span>
+<span id="test4"></span>
+<script>
+var target = document.getElementById("target");
+var target2 = document.getElementById("target2");
+
+test(function() {
+  assert_throws("SyntaxError", function() {
+    target.insertAdjacentElement("test", document.getElementById("test1"))
+  });
+
+  assert_throws("SyntaxError", function() {
+    target2.insertAdjacentElement("test", document.getElementById("test1"))
+  });
+}, "Inserting to an invalid location should cause a Syntax Error exception")
+
+test(function() {
+  var el = target.insertAdjacentElement("beforebegin", document.getElementById("test1"));
+  assert_equals(target.previousSibling.id, "test1");
+  assert_equals(el.id, "test1");
+
+  el = target2.insertAdjacentElement("beforebegin", document.getElementById("test1"));
+  assert_equals(target2.previousSibling.id, "test1");
+  assert_equals(el.id, "test1");
+}, "Inserted element should be target element's previous sibling for 'beforebegin' case")
+
+test(function() {
+  var el = target.insertAdjacentElement("afterbegin", document.getElementById("test2"));
+  assert_equals(target.firstChild.id, "test2");
+  assert_equals(el.id, "test2");
+
+  el = target2.insertAdjacentElement("afterbegin", document.getElementById("test2"));
+  assert_equals(target2.firstChild.id, "test2");
+  assert_equals(el.id, "test2");
+}, "Inserted element should be target element's first child for 'afterbegin' case")
+
+test(function() {
+  var el = target.insertAdjacentElement("beforeend", document.getElementById("test3"));
+  assert_equals(target.lastChild.id, "test3");
+  assert_equals(el.id, "test3");
+
+  el = target2.insertAdjacentElement("beforeend", document.getElementById("test3"));
+  assert_equals(target2.lastChild.id, "test3");
+  assert_equals(el.id, "test3");
+}, "Inserted element should be target element's last child for 'beforeend' case")
+
+test(function() {
+  var el = target.insertAdjacentElement("afterend", document.getElementById("test4"));
+  assert_equals(target.nextSibling.id, "test4");
+  assert_equals(el.id, "test4");
+
+  el = target2.insertAdjacentElement("afterend", document.getElementById("test4"));
+  assert_equals(target2.nextSibling.id, "test4");
+  assert_equals(el.id, "test4");
+}, "Inserted element should be target element's next sibling for 'afterend' case")
+
+test(function() {
+  var docElement = document.documentElement;
+  docElement.style.visibility="hidden";
+
+  assert_throws("HierarchyRequestError", function() {
+    var el = docElement.insertAdjacentElement("beforebegin", document.getElementById("test1"));
+    assert_equals(el, null);
+  });
+
+  var el = docElement.insertAdjacentElement("afterbegin", document.getElementById("test2"));
+  assert_equals(docElement.firstChild.id, "test2");
+  assert_equals(el.id, "test2");
+
+  el = docElement.insertAdjacentElement("beforeend", document.getElementById("test3"));
+  assert_equals(docElement.lastChild.id, "test3");
+  assert_equals(el.id, "test3");
+
+  assert_throws("HierarchyRequestError", function() {
+    var el = docElement.insertAdjacentElement("afterend", document.getElementById("test4"));
+    assert_equals(el, null);
+  });
+}, "Adding more than one child to document should cause a HierarchyRequestError exception")
+
+</script>