Source code
Revision control
Copy as Markdown
Other Tools
Test Info: Warnings
- This test has a WPT meta file that disables it given conditions:
- This WPT test may be referenced by the following Test IDs:
- /clear-site-data/executionContexts.sub.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
</head>
<body>
<script>
// How long to wait for the iframe to (re)load before concluding that it
// is not going to happen. This keeps the test from running into the
// harness timeout in user agents that do not implement
// "executionContexts" (see w3c/webappsec-clear-site-data#59).
const WAIT_FOR_MESSAGE_MS = 1000;
// Returns a promise that resolves to true if the iframe posts a message
// to this window before |ready| resolves plus WAIT_FOR_MESSAGE_MS, and
// false otherwise. The listener is registered synchronously so that no
// message can be missed.
function waitForMessage(test, ready = Promise.resolve()) {
return new Promise(resolve => {
let timer;
const onMessage = () => {
clearTimeout(timer);
resolve(true);
};
addEventListener("message", onMessage, { once: true });
ready.then(() => {
timer = test.step_timeout(() => {
removeEventListener("message", onMessage);
resolve(false);
}, WAIT_FOR_MESSAGE_MS);
});
});
}
async function createAndLoadIframe(test) {
const loaded = waitForMessage(test);
const ifr = document.createElement('iframe');
test.add_cleanup(() => ifr.remove());
document.body.appendChild(ifr);
ifr.src = get_host_info().HTTPS_REMOTE_ORIGIN + "/clear-site-data/support/iframe_executionContexts.html";
assert_true(await loaded, "Iframe loaded");
}
async function loadClearSiteDataResource(test, what) {
const image = new Image();
// Only start the clock once the response carrying the Clear-Site-Data
// header has been fully received.
const responseDone = new Promise(resolve => {
image.onload = image.onerror = resolve;
});
const reloaded = waitForMessage(test, responseDone);
image.src = get_host_info().HTTPS_REMOTE_ORIGIN + "/clear-site-data/support/echo-clear-site-data.py?" + what;
assert_true(await reloaded, "Iframe re-loaded");
}
promise_test(async function(test) {
await createAndLoadIframe(test);
await loadClearSiteDataResource(test, "executionContexts");
}, "executionContexts triggers the reload of contexts");
promise_test(async function(test) {
await createAndLoadIframe(test);
await loadClearSiteDataResource(test, "*");
}, "* triggers the reload of contexts");
</script>
</body>
</html>