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LibJS: Implement Set.prototype.isSupersetOf

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Idan Horowitz 2022-12-01 22:54:43 +02:00 • committed by Linus Groh
parent e29be4eaa8
commit 3470f33a0f
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Userland/Libraries/LibJS/Tests/builtins/Set/Set.prototype.isSupersetOf.js Normal file
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test("basic functionality", () => {
expect(Set.prototype.isSupersetOf).toHaveLength(1);
const set1 = new Set(["a", "b", "c"]);
const set2 = new Set(["b", "c"]);
expect(set1.isSupersetOf(set2)).toBeTrue();
expect(set2.isSupersetOf(set1)).toBeFalse();
});