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LibJS: Implement Set.prototype.isSubsetOf

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Idan Horowitz 2022-12-01 22:49:50 +02:00 • committed by Linus Groh
parent e359eeabe8
commit e29be4eaa8
4 changed files with 42 additions and 0 deletions
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Userland/Libraries/LibJS/Tests/builtins/Set/Set.prototype.isSubsetOf.js Normal file
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test("basic functionality", () => {
expect(Set.prototype.isSubsetOf).toHaveLength(1);
const set1 = new Set(["a", "b", "c"]);
const set2 = new Set(["b", "c"]);
expect(set1.isSubsetOf(set2)).toBeFalse();
expect(set2.isSubsetOf(set1)).toBeTrue();
});