Selection and document.open()
diff --git a/selection/Document-open.html b/selection/Document-open.html
index 9d17091..9e3cb28 100644
--- a/selection/Document-open.html
+++ b/selection/Document-open.html
@@ -6,39 +6,23 @@
<script>
"use strict";
-// This tests the HTML spec requirement "Replace the Document's singleton
-// objects with new instances of those objects. (This includes in particular
-// the Window, Location, History, ApplicationCache, and Navigator, objects, the
-// various BarProp objects, the two Storage objects, the various HTMLCollection
-// objects, and objects defined by other specifications, like Selection and the
-// document's UndoManager. It also includes all the Web IDL prototypes in the
-// JavaScript binding, including the Document object's prototype.)" in the
-// document.open() algorithm.
+const iframe = document.createElement("iframe");
+async_test(t => {
+ iframe.onload = t.step_func_done(() => {
+ const originalSelection = iframe.contentWindow.getSelection();
+ assert_equals(originalSelection.rangeCount, 0, "rangeCount must initially be 0");
+ iframe.contentDocument.body.appendChild(iframe.contentDocument.createTextNode("foo"));
+ const range = iframe.contentDocument.createRange();
+ range.selectNodeContents(iframe.contentDocument.body);
+ iframe.contentWindow.getSelection().addRange(range);
+ assert_equals(originalSelection.rangeCount, 1, "rangeCount must be 1 after adding a range");
-var iframe = document.createElement("iframe");
-var t = async_test("Selection must be replaced with a new object after document.open()");
-iframe.onload = function() {
- t.step(function() {
- var originalSelection = iframe.contentWindow.getSelection();
- assert_equals(originalSelection.rangeCount, 0,
- "Sanity check: rangeCount must be initially 0");
- iframe.contentDocument.body.appendChild(
- iframe.contentDocument.createTextNode("foo"));
- var range = iframe.contentDocument.createRange();
- range.selectNodeContents(iframe.contentDocument.body);
- iframe.contentWindow.getSelection().addRange(range);
- assert_equals(originalSelection.rangeCount, 1,
- "Sanity check: rangeCount must be 1 after adding a range");
+ iframe.contentDocument.open();
- iframe.contentDocument.open();
-
- assert_not_equals(iframe.contentWindow.getSelection(), originalSelection,
- "After document.open(), the Selection object must no longer be the same");
- assert_equals(iframe.contentWindow.getSelection().rangeCount, 0,
- "After document.open(), rangeCount must be 0 again");
- });
- t.done();
+ assert_equals(iframe.contentWindow.getSelection(), originalSelection, "After document.open(), the Selection object must be the same");
+ assert_equals(iframe.contentWindow.getSelection().rangeCount, 1, "After document.open(), rangeCount must still be 1");
document.body.removeChild(iframe);
-};
-document.body.appendChild(iframe);
+ });
+ document.body.appendChild(iframe);
+}, "Selection must not be replaced with a new object after document.open()");
</script>
