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// META: global=window,worker
test(() => {
// See https://github.com/whatwg/html/issues/5380 for why not `new SharedArrayBuffer()`
assert_equals(globalThis.SharedArrayBuffer, undefined);
assert_false("SharedArrayBuffer" in globalThis);
}, "SharedArrayBuffer constructor does not exist without COOP+COEP");
test(() => {
// See https://github.com/whatwg/html/issues/5380 for why not `new SharedArrayBuffer()`
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(() => {
// See https://github.com/whatwg/html/issues/5380 for why not `new SharedArrayBuffer()`
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(() => {
// See https://github.com/whatwg/html/issues/5380 for why not `new SharedArrayBuffer()`
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");
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