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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/broadcastchannel-success-and-failure.https.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>SharedArrayBuffer cannot cross agent clusters, BroadcastChannel edition</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
async_test(t => {
const channel = new BroadcastChannel("anne was here"),
dw = new Worker("resources/broadcastchannel-worker.js"),
sw = new SharedWorker("resources/broadcastchannel-sharedworker.js");
let startCounter = 0,
dwStatus = "unknown",
swStatus = "unknown";
channel.onmessage = t.step_func(({ data }) => {
if(data === "hi") {
startCounter++;
if(startCounter === 2) {
const sab = new SharedArrayBuffer();
channel.postMessage(sab);
} else if(startCounter > 2) {
assert_unreached();
}
} else if(data === "dw-success") {
dwStatus = "success";
} else if(data === "sw-success") {
swStatus = "success";
} else {
assert_unreached();
}
if(dwStatus === "success" && swStatus === "success") {
t.done();
}
});
});
</script>