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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /cors/preflight-cache-partitioning.sub.window.html - WPT Dashboard Interop Dashboard
// META: script=/common/utils.js
const TEST_PAGE =
const TEST_ANOTHER_PAGE =
promise_test(async t => {
let uuid_token = token();
const TEST_PAGES = [TEST_PAGE, TEST_ANOTHER_PAGE];
// We will load the same page with different top-level origins to check if the
// CORS preflight cache is partitioned. The page will load the iframe with one
// origin and trigger the CORS preflight through fetching a cross-origin
// resources in the iframe.
for (let test_page of TEST_PAGES) {
let win;
await new Promise(resolve => {
window.onmessage = (e) => {
if (e.data.type === "loaded") {
resolve();
}
};
win = window.open(test_page);
});
await new Promise(resolve => {
win.postMessage({ type: "run", token: uuid_token }, "*");
window.onmessage = (e) => {
assert_equals(e.data.type, "pass", e.data.msg);
resolve();
};
});
win.close();
}
}, "The preflight cache should be partitioned");