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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
function assertOwnDescriptor(object, propertyKey, expected) {
var desc = Object.getOwnPropertyDescriptor(object, propertyKey);
if (desc === undefined) {
assertEq(expected, undefined, "Property shouldn't be present");
return;
}
assertEq(desc.enumerable, expected.enumerable, `${String(propertyKey)}.[[Enumerable]]`);
assertEq(desc.configurable, expected.configurable, `${String(propertyKey)}.[[Configurable]]`);
if (Object.prototype.hasOwnProperty.call(desc, "value")) {
assertEq(desc.value, expected.value, `${String(propertyKey)}.[[Value]]`);
assertEq(desc.writable, expected.writable, `${String(propertyKey)}.[[Writable]]`);
} else {
assertEq(desc.get, expected.get, `${String(propertyKey)}.[[Get]]`);
assertEq(desc.set, expected.set, `${String(propertyKey)}.[[Set]]`);
}
}
async function asyncFunc(){}
var AsyncFunctionPrototype = Object.getPrototypeOf(asyncFunc);
var AsyncFunction = AsyncFunctionPrototype.constructor;
// ES2017, 25.5.2 Properties of the AsyncFunction Constructor
assertEqArray(Object.getOwnPropertyNames(AsyncFunction).sort(), ["length", "name", "prototype"]);
assertEqArray(Object.getOwnPropertySymbols(AsyncFunction), []);
assertOwnDescriptor(AsyncFunction, "length", {
value: 1, writable: false, enumerable: false, configurable: true
});
assertOwnDescriptor(AsyncFunction, "name", {
value: "AsyncFunction", writable: false, enumerable: false, configurable: true
});
assertOwnDescriptor(AsyncFunction, "prototype", {
value: AsyncFunctionPrototype, writable: false, enumerable: false, configurable: false
});
// ES2017, 25.5.3 Properties of the AsyncFunction Prototype Object
assertEqArray(Object.getOwnPropertyNames(AsyncFunctionPrototype).sort(), ["constructor"]);
assertEqArray(Object.getOwnPropertySymbols(AsyncFunctionPrototype), [Symbol.toStringTag]);
assertOwnDescriptor(AsyncFunctionPrototype, "constructor", {
value: AsyncFunction, writable: false, enumerable: false, configurable: true
});
assertOwnDescriptor(AsyncFunctionPrototype, Symbol.toStringTag, {
value: "AsyncFunction", writable: false, enumerable: false, configurable: true
});
// ES2017, 25.5.4 AsyncFunction Instances
assertEqArray(Object.getOwnPropertyNames(asyncFunc).sort(), ["length", "name"]);
assertEqArray(Object.getOwnPropertySymbols(asyncFunc), []);
assertOwnDescriptor(asyncFunc, "length", {
value: 0, writable: false, enumerable: false, configurable: true
});
assertOwnDescriptor(asyncFunc, "name", {
value: "asyncFunc", writable: false, enumerable: false, configurable: true
});
if (typeof reportCompare == "function")
reportCompare(true, true);
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