Import wpt@5e1a3b80cea8d36774d2afd78b29a74792e9f15a

third_party/WebKit/LayoutTests/imported/wpt/html/semantics/forms/the-form-element/form-nameditem.html

Index: third_party/WebKit/LayoutTests/imported/wpt/html/semantics/forms/the-form-element/form-nameditem.html
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/html/semantics/forms/the-form-element/form-nameditem.html b/third_party/WebKit/LayoutTests/imported/wpt/html/semantics/forms/the-form-element/form-nameditem.html
index 3edf903b735248f57d2565c20d65650c42170758..0155d38b5473adf45ccb6421ecf8de89a03537bb 100644
--- a/third_party/WebKit/LayoutTests/imported/wpt/html/semantics/forms/the-form-element/form-nameditem.html
+++ b/third_party/WebKit/LayoutTests/imported/wpt/html/semantics/forms/the-form-element/form-nameditem.html
@@ -327,4 +327,93 @@ test(function() {
   assert_equals(form["new-name2"], 5);
 }, 'Trying to set a non-configurable expando that shadows a named property that gets added later');
 
+test(function() {
+  var form = document.getElementsByTagName("form")[1];
+
+  var i1 = document.createElement("input");
+  i1.name = "past-name1";
+  i1.id = "past-id1"
+
+  assert_equals(form["past-name1"], undefined);
+  assert_equals(form["past-id1"], undefined);
+  form.appendChild(i1);
+  assert_equals(form["past-name1"], i1);
+  assert_equals(form["past-id1"], i1);
+
+  i1.name = "twiddled-name1";
+  i1.id = "twiddled-id1";
+  assert_equals(form["past-name1"], i1);
+  assert_equals(form["twiddled-name1"], i1);
+  assert_equals(form["past-id1"], i1);
+  assert_equals(form["twiddled-id1"], i1);
+
+  i1.name = "twiddled-name2";
+  i1.id = "twiddled-id2";
+  assert_equals(form["past-name1"], i1);
+  assert_equals(form["twiddled-name1"], i1);
+  assert_equals(form["twiddled-name2"], i1);
+  assert_equals(form["past-id1"], i1);
+  assert_equals(form["twiddled-id1"], i1);
+  assert_equals(form["twiddled-id2"], i1);
+
+  i1.removeAttribute("id");
+  i1.removeAttribute("name");
+  assert_equals(form["past-name1"], i1);
+  assert_equals(form["twiddled-name1"], i1);
+  assert_equals(form["twiddled-name2"], i1);
+  assert_equals(form["past-id1"], i1);
+  assert_equals(form["twiddled-id1"], i1);
+  assert_equals(form["twiddled-id2"], i1);
+
+  i1.remove();
+  assert_equals(form["past-name1"], undefined);
+  assert_equals(form["twiddled-name1"], undefined);
+  assert_equals(form["twiddled-name2"], undefined);
+  assert_equals(form["past-id1"], undefined);
+  assert_equals(form["twiddled-id1"], undefined);
+  assert_equals(form["twiddled-id2"], undefined);
+
+  var i2 = document.createElement("input");
+  i2.name = "past-name2";
+  i2.id = "past-id2";
+
+  assert_equals(form["past-name2"], undefined);
+  assert_equals(form["past-id2"], undefined);
+  form.appendChild(i2);
+  assert_equals(form["past-name2"], i2);
+  assert_equals(form["past-id2"], i2);
+
+  i2.name = "twiddled-name3";
+  i2.id = "twiddled-id3";
+  assert_equals(form["past-name2"], i2);
+  assert_equals(form["twiddled-name3"], i2);
+  assert_equals(form["past-id2"], i2);
+  assert_equals(form["twiddled-id3"], i2);
+
+  i2.name = "twiddled-name4";
+  i2.id = "twiddled-id4";
+  assert_equals(form["past-name2"], i2);
+  assert_equals(form["twiddled-name3"], i2);
+  assert_equals(form["twiddled-name4"], i2);
+  assert_equals(form["past-id2"], i2);
+  assert_equals(form["twiddled-id3"], i2);
+  assert_equals(form["twiddled-id4"], i2);
+
+  i2.removeAttribute("id");
+  i2.removeAttribute("name");
+  assert_equals(form["past-name2"], i2);
+  assert_equals(form["twiddled-name3"], i2);
+  assert_equals(form["twiddled-name4"], i2);
+  assert_equals(form["past-id2"], i2);
+  assert_equals(form["twiddled-id3"], i2);
+  assert_equals(form["twiddled-id4"], i2);
+
+  i2.setAttribute("form", "c");
+  assert_equals(form["past-name2"], undefined);
+  assert_equals(form["twiddled-name3"], undefined);
+  assert_equals(form["twiddled-name4"], undefined);
+  assert_equals(form["past-id2"], undefined);
+  assert_equals(form["twiddled-id3"], undefined);
+  assert_equals(form["twiddled-id4"], undefined);
+}, "Past names map should work correctly");
 </script>