// Smoke test for `Promise.any`, test262 should cover the function in // more detail. function expectedError() { reportCompare(true, false, "expected error"); } // Empty elements. Promise.any([]).then(expectedError, e => { assertEq(e instanceof AggregateError, true); assertEq(e.errors.length, 0); }); // Single element. Promise.any([Promise.resolve(0)]).then(v => { assertEq(v, 0); }); Promise.any([Promise.reject(1)]).then(expectedError, e => { assertEq(e instanceof AggregateError, true); assertEq(e.errors.length, 1); assertEq(e.errors[0], 1); }); // Multiple elements. Promise.any([Promise.resolve(1), Promise.resolve(2)]).then(v => { assertEq(v, 1); }); Promise.any([Promise.resolve(3), Promise.reject(4)]).then(v => { assertEq(v, 3); }); Promise.any([Promise.reject(5), Promise.resolve(6)]).then(v => { assertEq(v, 6); }); Promise.any([Promise.reject(7), Promise.reject(8)]).then(expectedError, e => { assertEq(e instanceof AggregateError, true); assertEq(e.errors.length, 2); assertEq(e.errors[0], 7); assertEq(e.errors[1], 8); }); // Cross-Realm tests. // // Note: When |g| is a cross-compartment global, Promise.any creates the errors // array and the AggregateError in |g|'s Realm. This doesn't follow the spec, but // the code in js/src/builtin/Promise.cpp claims this is useful when the Promise // compartment is less-privileged. This means for this test we can't use // assertDeepEq below, because the result array/error may have the wrong prototype. let g = newGlobal(); if (typeof isSameCompartment !== "function") { var isSameCompartment = SpecialPowers.Cu.getJSTestingFunctions().isSameCompartment; } // Test wrapping when no `Promise.any Reject Element Function` is called. Promise.any.call(g.Promise, []).then(expectedError, e => { assertEq(e.name, "AggregateError"); assertEq(isSameCompartment(e, g), true); assertEq(isSameCompartment(e.errors, g), true); assertEq(e.errors.length, 0); }); // Test wrapping in `Promise.any Reject Element Function`. Promise.any.call(g.Promise, [Promise.reject("err")]).then(expectedError, e => { assertEq(e.name, "AggregateError"); assertEq(isSameCompartment(e, g), true); assertEq(isSameCompartment(e.errors, g), true); assertEq(e.errors.length, 1); assertEq(e.errors[0], "err"); }); if (typeof reportCompare === "function") reportCompare(0, 0);