<!doctype html>
<meta charset="utf-8">
<title>Do only fully active documents count for session history?</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<iframe id="child"></iframe>
</body>
<script>
async_test(function(t) {
var old_history_len = window.history.length;
var child = document.getElementById("child");
var timer = window.setInterval(t.step_func(poll), 100);
function poll() {
if (child.getAttribute("data-child-loaded")) {
// Check to see how many entries have been added to the session history.
// The spec https://html.spec.whatwg.org/multipage/#joint-session-history
// says that only fully active documents are included in the joint session history.
// If only fully active documents count, then the only fully active document
// is the child, with session length 1, so the joint session length change will be 1.
// If all documents count, then the grandchild is reachable via the session history,
// and it has session length 1, so the joint session length change will be 2.
assert_equals(2, window.history.length - old_history_len);
window.clearInterval(timer);
t.done();
}
}
child.src = "joint-session-history-child1.html";
});
</script>
Codebase Browser
chromium