зеркало из https://github.com/mozilla/gecko-dev.git
45 строки
2.0 KiB
HTML
45 строки
2.0 KiB
HTML
<!doctype html>
|
|
<title>Selection Document.open() tests</title>
|
|
<div id=log></div>
|
|
<script src=/resources/testharness.js></script>
|
|
<script src=/resources/testharnessreport.js></script>
|
|
<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.
|
|
|
|
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();
|
|
|
|
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();
|
|
document.body.removeChild(iframe);
|
|
};
|
|
document.body.appendChild(iframe);
|
|
</script>
|