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Test Info: Warnings
- This test has a WPT meta file that expects 3 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /html/browsers/origin/tentative/api/origin-from-messageevent-opaque.window.html - WPT Dashboard Interop Dashboard
// META: title=`Origin.from(MessageEvent)` from opaque origins.
// META: script=/common/get-host-info.sub.js
async_test(t => {
const el = document.createElement('iframe');
el.sandbox = "allow-scripts";
el.srcdoc = `<script>window.top.postMessage("Hi.", "*");<\/script>`;
window.addEventListener("message", t.step_func(e => {
if (e.source === el.contentWindow) {
const origin = Origin.from(e);
assert_true(!!origin);
assert_true(origin.opaque);
t.done();
}
}));
document.body.appendChild(el);
}, `Origin.from(MessageEvent) returns an opaque origin for a sandboxed frame.`);
async_test(t => {
const el = document.createElement('iframe');
el.sandbox = "allow-scripts";
el.srcdoc = `
<script>
window.top.postMessage("Hi.", "*");
window.top.postMessage("Bye.", "*");
<\/script>`;
let eventOrigin = null;
window.addEventListener("message", t.step_func(e => {
if (e.source === el.contentWindow) {
const origin = Origin.from(e);
assert_true(!!origin);
assert_true(origin.opaque);
if (eventOrigin) {
assert_true(eventOrigin.isSameOrigin(origin));
t.done();
} else {
eventOrigin = origin;
}
}
}));
document.body.appendChild(el);
}, `Origin.from(MessageEvent) returns the same opaque origin for each message from a sandboxed frame.`);
async_test(t => {
const el = document.createElement('iframe');
el.sandbox = "allow-scripts";
el.srcdoc = `
<script>
window.top.postMessage("Hi.", "*");
window.addEventListener("message", e => { navigation.reload(); });
<\/script>`;
let eventOrigin = null;
window.addEventListener("message", t.step_func(e => {
if (e.source === el.contentWindow) {
const origin = Origin.from(e);
assert_true(!!origin);
assert_true(origin.opaque);
if (eventOrigin) {
assert_false(eventOrigin.isSameOrigin(origin));
t.done();
} else {
eventOrigin = origin;
e.source.postMessage("Reload thyself.", "*");
}
}
}));
document.body.appendChild(el);
}, `Origin.from(MessageEvent) returns distinct opaque origins for each message from a reloaded sandboxed frame.`);