84 lines
2.8 KiB
HTML
84 lines
2.8 KiB
HTML
<!DOCTYPE html>
|
|
<script src="/common/utils.js"></script>
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="/speculation-rules/prerender/resources/utils.js"></script>
|
|
<script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script>
|
|
<script>
|
|
|
|
// The main test page loads the initiator page, then the initiator page will
|
|
// prerender itself with the `prerendering` parameter. The prerendered page will
|
|
// trigger a main frame navigation with the `navigation` parameter.
|
|
const params = new URLSearchParams(location.search);
|
|
const uid = params.get('uid');
|
|
|
|
const isPrerendering = params.has('prerendering');
|
|
const isNavigation = params.has('navigation');
|
|
|
|
if (isPrerendering && isNavigation) {
|
|
assert_true(document.prerendering);
|
|
|
|
const result = {
|
|
// Check the value of document.prerendering now and after activation.
|
|
prerenderingValueBeforeActivation: document.prerendering,
|
|
prerenderingValueAfterActivation: null,
|
|
|
|
// True if the prerenderingchange event is fired.
|
|
onprerenderingchangeCalled: false,
|
|
};
|
|
|
|
window.addEventListener('load', () => {
|
|
const prerenderChannel = new PrerenderChannel('prerender-channel', uid);
|
|
prerenderChannel.postMessage('readyToActivate');
|
|
prerenderChannel.close();
|
|
});
|
|
|
|
document.addEventListener('prerenderingchange', (e) => {
|
|
assert_false(document.prerendering);
|
|
|
|
const entry = performance.getEntriesByType('navigation')[0];
|
|
assert_greater_than_equal(entry.activationStart, 0,
|
|
'activationStart must be greater than 0')
|
|
|
|
result.onprerenderingchangeCalled = true;
|
|
result.prerenderingValueAfterActivation = document.prerendering;
|
|
|
|
const resultChannel = new PrerenderChannel('result', uid);
|
|
resultChannel.postMessage(result);
|
|
resultChannel.close();
|
|
window.close();
|
|
});
|
|
} else if (isPrerendering) {
|
|
assert_true(document.prerendering);
|
|
|
|
location.href = location.href + '&navigation';
|
|
} else {
|
|
assert_false(document.prerendering);
|
|
|
|
const prerenderingUrl = location.href + '&prerendering';
|
|
|
|
const prerenderChannel = new PrerenderChannel('prerender-channel', uid);
|
|
const readyToActivate = new Promise((resolve, reject) => {
|
|
prerenderChannel.addEventListener('message', e => {
|
|
if (e.data === 'readyToActivate') {
|
|
resolve();
|
|
} else {
|
|
reject(`The initiator page receives an unsupported message: ${e.data}`);
|
|
}
|
|
});
|
|
});
|
|
|
|
// Activate the page when prerendering is ready.
|
|
readyToActivate.then(() => {
|
|
window.location = prerenderingUrl.toString();
|
|
}).catch(e => {
|
|
const resultChannel = new PrerenderChannel('result', uid);
|
|
resultChannel.postMessage(
|
|
`Failed to navigate the prerendered page: ${e.toString()}`);
|
|
resultChannel.close();
|
|
window.close();
|
|
});
|
|
|
|
startPrerendering(prerenderingUrl);
|
|
}
|
|
</script>
|