mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-10-30 21:01:00 +00:00
10 lines
230 B
JavaScript
10 lines
230 B
JavaScript
|
test("basic functionality", () => {
|
||
|
|
function Foo() {}
|
||
|
|
Foo[Symbol.hasInstance] = value => {
|
||
|
|
return value === 2;
|
||
|
|
};
|
||
|
|
|
||
|
|
expect(new Foo() instanceof Foo).toBeFalse();
|
||
|
|
expect(2 instanceof Foo).toBeTrue();
|
||
|
|
});
|