| // 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"); |