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LibJS: Add the Object.getOwnPropertySymbols method

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Idan Horowitz 2021-06-12 17:41:13 +03:00 • committed by Linus Groh
parent a2da3f97ef
commit bd9e20ef79
5 changed files with 44 additions and 15 deletions
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16
Userland/Libraries/LibJS/Tests/builtins/Object/Object.getOwnPropertySymbols.js Normal file
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test("use with array", () => {
let names = Object.getOwnPropertySymbols([1, 2, 3]);
console.log(names);
expect(names).toEqual([]);
});
test("use with object", () => {
let names = Object.getOwnPropertySymbols({ [Symbol.iterator]: 1, [Symbol.species]: 2 });
expect(names).toEqual([Symbol.iterator, Symbol.species]);
});
test("use with object with string keys", () => {
let symbol = Symbol("bar");
let names = Object.getOwnPropertySymbols({ foo: 1, [symbol]: 2, baz: 3 });
expect(names).toEqual([symbol]);
});