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<!DOCTYPE html>
<meta charset="utf-8">
<title>Same-document navigations during cross-document traversals</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<!--
The spec explicitly covers this case, with a Jake diagram:
https://whatpr.org/html/6315/browsing-the-web.html#example-sync-navigation-steps-queue-jumping-basic
-->
<body>
<script type="module">
import { createIframe, waitForLoad, delay } from "./resources/helpers.mjs";
promise_test(async t => {
const iframe = await createIframe(t);
// Setup
// Extra delay()s are necessary because if we navigate "inside" the load
// handler (i.e. in a promise reaction for the load handler) then it will
// be a replace navigation.
iframe.contentWindow.location.search = "?1";
await waitForLoad(iframe);
await delay(t, 0);
iframe.contentWindow.location.search = "?2";
await waitForLoad(iframe);
await delay(t, 0);
iframe.contentWindow.history.back();
assert_equals(iframe.contentWindow.location.search, "?2", "must not go back synchronously");
iframe.contentWindow.location.hash = "#3";
assert_equals(iframe.contentWindow.location.search, "?2");
assert_equals(iframe.contentWindow.location.hash, "#3");
// Eventually ends up on ?1
await t.step_wait(() => iframe.contentWindow.location.search === "?1" && iframe.contentWindow.location.hash === "");
}, "same-document traversals + fragment navigations");
promise_test(async t => {
const iframe = await createIframe(t);
// Setup
// Extra delay()s are necessary because if we navigate "inside" the load
// handler (i.e. in a promise reaction for the load handler) then it will
// be a replace navigation.
iframe.contentWindow.location.search = "?1";
await waitForLoad(iframe);
await delay(t, 0);
iframe.contentWindow.location.search = "?2";
await waitForLoad(iframe);
await delay(t, 0);
iframe.contentWindow.history.back();
assert_equals(iframe.contentWindow.location.search, "?2", "must not go back synchronously");
iframe.contentWindow.history.pushState(null, "", "?3");
assert_equals(iframe.contentWindow.location.search, "?3");
// Eventually ends up on ?1
await t.step_wait(() => iframe.contentWindow.location.search === "?1");
}, "same-document traversals + pushState()");
</script>
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