firefox-main/testing/web-platform/tests/wasm/serialization/memory/clone-error.tentative.https.any.js (file symbol)

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Test Info:

// META: global=window,worker
"use strict";
test(() => {
const memory = new WebAssembly.Memory({ initial: 1 });
assert_throws_dom("DataCloneError", () => structuredClone(memory));
}, "structuredClone() of a non-shared WebAssembly.Memory throws");
test(() => {
const memory = new WebAssembly.Memory({ initial: 1 });
const channel = new MessageChannel();
assert_throws_dom("DataCloneError", () => channel.port1.postMessage(memory));
}, "Cloning a non-shared WebAssembly.Memory through a MessagePort throws");
test(() => {
const memory = new WebAssembly.Memory({ shared: true, initial: 1, maximum: 1 });
const channel = new MessageChannel();
assert_throws_dom("DataCloneError", () => channel.port1.postMessage(memory));
}, "Cloning a shared WebAssembly.Memory through a MessagePort without COOP+COEP throws");
test(() => {
const memory = new WebAssembly.Memory({ shared: true, initial: 1, maximum: 1 });
const channel = new BroadcastChannel("Is mir egal");
assert_throws_dom("DataCloneError", () => channel.postMessage(memory));
}, "Cloning a shared WebAssembly.Memory through a BroadcastChannel without COOP+COEP throws");
if (self.GLOBAL.isWindow()) {
test(() => {
const memory = new WebAssembly.Memory({ shared: true, initial: 1, maximum: 1 });
assert_throws_dom("DataCloneError", () => self.postMessage(memory));
}, "Cloning a shared WebAssembly.Memory via self.postMessage() without COOP+COEP throws");
}
test(() => {
assert_false(self.crossOriginIsolated);
}, "Bonus: self.crossOriginIsolated is false (precondition for the shared-memory cases above)");