mirror of
https://github.com/LadybirdBrowser/ladybird
synced 2026-04-26 01:35:08 +02:00
10 lines
258 B
JavaScript
10 lines
258 B
JavaScript
test("basic functionality", () => {
|
|
function Foo() {}
|
|
Object.defineProperty(Foo, Symbol.hasInstance, {
|
|
value: instance => instance === 2,
|
|
});
|
|
|
|
expect(new Foo() instanceof Foo).toBeFalse();
|
|
expect(2 instanceof Foo).toBeTrue();
|
|
});
|