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Implement browsing context discarding.

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This commit is contained in:
Alan Jeffrey 2016-11-30 16:54:12 -06:00
parent 143dfc879e
commit 7c2de62124
12 changed files with 196 additions and 160 deletions
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32
tests/wpt/web-platform-tests/html/semantics/embedded-content/the-iframe-element/iframe-synchronously-discard.html Normal file
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<!doctype html>
<meta charset=utf-8>
<title>IFrame discards are processed synchronously</title>
<body></body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async_test(function(t) {
var child = document.createElement("iframe");
child.src = "support/blank.htm?1";
child.onload = t.step_func(function () {
var childWindow = child.contentWindow;
var grandchild = childWindow.document.createElement("iframe");
grandchild.src = "blank.htm?2";
grandchild.onload = t.step_func(function () {
var grandchildWindow = grandchild.contentWindow;
assert_equals(child.contentWindow, childWindow, "child window");
assert_equals(childWindow.parent, window, "child parentage");
assert_equals(grandchild.contentWindow, grandchildWindow, "grandchild window");
assert_equals(grandchildWindow.parent, childWindow, "grandchild parentage");
document.body.removeChild(child);
assert_equals(child.contentWindow, null, "child should be discarded");
assert_equals(childWindow.parent, null, "child window should be discarded");
assert_equals(grandchild.contentWindow, null, "grandchild should be discarded");
assert_equals(grandchildWindow.parent, null, "grandchild window should be discarded");
t.done();
});
childWindow.document.body.appendChild(grandchild);
});
document.body.appendChild(child);
});
</script>