test("invariants", () => { expect(Atomics.and).toHaveLength(3); }); test("error cases", () => { expect(() => { Atomics.and("not an array", 0, 1); }).toThrow(TypeError); expect(() => { const bad_array_type = new Float32Array(4); Atomics.and(bad_array_type, 0, 1); }).toThrow(TypeError); expect(() => { const bad_array_type = new Uint8ClampedArray(4); Atomics.and(bad_array_type, 0, 1); }).toThrow(TypeError); expect(() => { const array = new Int32Array(4); Atomics.and(array, 100, 1); }).toThrow(RangeError); }); test("basic functionality (non-BigInt)", () => { [Int8Array, Int16Array, Int32Array, Uint8Array, Uint16Array, Uint32Array].forEach(ArrayType => { const array = new ArrayType(2); array[0] = 0b0000; array[1] = 0b0101; expect(Atomics.and(array, 0, 0b0000)).toBe(0b0000); expect(array).toEqual([0b0000, 0b0101]); expect(Atomics.and(array, 0, 0b1111)).toBe(0b0000); expect(array).toEqual([0b0000, 0b0101]); expect(Atomics.and(array, 1, 0b0101)).toBe(0b0101); expect(array).toEqual([0b0000, 0b0101]); expect(Atomics.and(array, 1, 0b0100)).toBe(0b0101); expect(array).toEqual([0b0000, 0b0100]); expect(Atomics.and(array, 1, 0b0000)).toBe(0b0100); expect(array).toEqual([0b0000, 0b0000]); }); }); test("basic functionality (BigInt)", () => { [BigInt64Array, BigUint64Array].forEach(ArrayType => { const array = new ArrayType(2); array[0] = 0b0000n; array[1] = 0b0101n; expect(Atomics.and(array, 0, 0b0000n)).toBe(0b0000n); expect(array).toEqual([0b0000n, 0b0101n]); expect(Atomics.and(array, 0, 0b1111n)).toBe(0b0000n); expect(array).toEqual([0b0000n, 0b0101n]); expect(Atomics.and(array, 1, 0b0101n)).toBe(0b0101n); expect(array).toEqual([0b0000n, 0b0101n]); expect(Atomics.and(array, 1, 0b0100n)).toBe(0b0101n); expect(array).toEqual([0b0000n, 0b0100n]); expect(Atomics.and(array, 1, 0b0000n)).toBe(0b0100n); expect(array).toEqual([0b0000n, 0b0000n]); }); });