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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/no-coop-coep.https.any.html - WPT Dashboard Interop Dashboard
- /html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/no-coop-coep.https.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/no-coop-coep.https.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /html/infrastructure/safe-passing-of-structured-data/shared-array-buffers/no-coop-coep.https.any.worker.html - WPT Dashboard Interop Dashboard
// META: global=window,worker
test(() => {
assert_equals(globalThis.SharedArrayBuffer, undefined);
assert_false("SharedArrayBuffer" in globalThis);
}, "SharedArrayBuffer constructor does not exist without COOP+COEP");
test(() => {
const sab = new WebAssembly.Memory({ shared:true, initial:1, maximum:1 }).buffer;
const channel = new MessageChannel();
assert_throws_dom("DataCloneError", () => channel.port1.postMessage(sab));
}, "SharedArrayBuffer over MessageChannel without COOP+COEP");
test(() => {
const sab = new WebAssembly.Memory({ shared:true, initial:1, maximum:1 }).buffer;
const channel = new BroadcastChannel("Is mir egal");
assert_throws_dom("DataCloneError", () => channel.postMessage(sab));
}, "SharedArrayBuffer over BroadcastChannel without COOP+COEP");
if (self.GLOBAL.isWindow()) {
test(() => {
const sab = new WebAssembly.Memory({ shared:true, initial:1, maximum:1 }).buffer;
assert_throws_dom("DataCloneError", () => self.postMessage(sab));
}, "SharedArrayBuffer over postMessage() without COOP+COEP");
}
test(() => {
assert_false(self.crossOriginIsolated);
}, "Bonus: self.crossOriginIsolated");