ladybird/Libraries/LibJS/Tests/Object.getOwnPropertyDescriptor.js

51 lines
1.3 KiB
JavaScript

load("test-common.js");
try {
let o = {
foo: "bar",
get x() { },
set ["hi" + 1](_) { },
};
Object.defineProperty(o, "baz", {
enumerable: false,
writable: true,
value: 10,
});
let d = Object.getOwnPropertyDescriptor(o, "foo");
assert(d.enumerable === true);
assert(d.configurable === true);
assert(d.writable === true);
assert(d.value === "bar");
assert(d.get === undefined);
assert(d.set === undefined);
let d = Object.getOwnPropertyDescriptor(o, "x");
assert(d.enumerable === true);
assert(d.configurable === true);
assert(d.writable === undefined);
assert(d.value === undefined);
assert(typeof d.get === "function");
assert(d.set === undefined);
let d = Object.getOwnPropertyDescriptor(o, "hi1");
assert(d.enumerable === true);
assert(d.configurable === true);
assert(d.writable === undefined);
assert(d.value === undefined);
assert(d.get === undefined);
assert(typeof d.set === "function");
let d = Object.getOwnPropertyDescriptor(o, "baz");
assert(d.enumerable === false);
assert(d.configurable === false);
assert(d.writable === true);
assert(d.value === 10);
assert(d.get === undefined);
assert(d.set === undefined);
console.log("PASS");
} catch (e) {
console.log("FAIL: " + e);
}