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<!DOCTYPE html>
<meta charset="utf-8"/>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/cookies/resources/cookie-helper.sub.js"></script>
<!-- We're appending an <iframe> to the document's body, so execute tests after we have a body -->
<body>
<script>
function create_test(target, expectedDomStatus, title) {
promise_test(async t => {
var cookieValue = "" + Math.random();
document.cookie = `dc_samesite_strict=${cookieValue}; sameSite=strict; path=/`;
document.cookie = `dc_samesite_lax=${cookieValue}; sameSite=lax; path=/`;
// SameSite=None requires `Secure` which complicates the test and we don't
// need it, so don't add it.
await new Promise((resolve, reject) => {
var iframe = document.createElement("iframe");
window.onmessage = t.step_func(e => {
if (e.source == iframe.contentWindow) {
// Cleanup, then verify cookie state:
document.body.removeChild(iframe);
const cookies = e.data;
if (expectedDomStatus === DomSameSiteStatus.SAME_SITE) {
assert_equals(cookies["dc_samesite_lax"], cookieValue, "SameSite=lax cookies can be sent to same-scheme subresources");
assert_equals(cookies["dc_samesite_strict"], cookieValue, "SameSite=strict cookies can be sent to same-scheme subresources");
} else if (expectedDomStatus === DomSameSiteStatus.CROSS_SITE) {
assert_not_equals(cookies["dc_samesite_lax"], cookieValue, "SameSite=lax cookies cannot be sent to cross-scheme subresources");
assert_not_equals(cookies["dc_samesite_strict"], cookieValue, "SameSite=strict cookies cannot be sent to cross-scheme subresources");
}
resolve();
}
});
iframe.src = target + "/cookies/resources/postToParent.py";
document.body.appendChild(iframe);
});
}, title);
}
// Test that cross-scheme subresources (iframes in this case) are cross-site.
create_test(INSECURE_ORIGIN, DomSameSiteStatus.SAME_SITE, "Same-scheme subresources can send lax/strict cookies");
create_test(SECURE_ORIGIN, DomSameSiteStatus.CROSS_SITE, "Cross-scheme subresources cannot sent lax/strict cookies");
</script>
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