ladybird/Userland/Libraries/LibJS/Tests/builtins/Atomics/Atomics.or.js
2021-07-14 20:44:42 +01:00

70 lines
2.1 KiB
JavaScript

test("invariants", () => {
expect(Atomics.or).toHaveLength(3);
});
test("error cases", () => {
expect(() => {
Atomics.or("not an array", 0, 1);
}).toThrow(TypeError);
expect(() => {
const bad_array_type = new Float32Array(4);
Atomics.or(bad_array_type, 0, 1);
}).toThrow(TypeError);
expect(() => {
const bad_array_type = new Uint8ClampedArray(4);
Atomics.or(bad_array_type, 0, 1);
}).toThrow(TypeError);
expect(() => {
const array = new Int32Array(4);
Atomics.or(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.or(array, 0, 0b0000)).toBe(0b0000);
expect(array).toEqual([0b0000, 0b0101]);
expect(Atomics.or(array, 0, 0b1111)).toBe(0b0000);
expect(array).toEqual([0b1111, 0b0101]);
expect(Atomics.or(array, 1, 0b0101)).toBe(0b0101);
expect(array).toEqual([0b1111, 0b0101]);
expect(Atomics.or(array, 1, 0b1000)).toBe(0b0101);
expect(array).toEqual([0b1111, 0b1101]);
expect(Atomics.or(array, 1, 0b0010)).toBe(0b1101);
expect(array).toEqual([0b1111, 0b1111]);
});
});
test("basic functionality (BigInt)", () => {
[BigInt64Array, BigUint64Array].forEach(ArrayType => {
const array = new ArrayType(2);
array[0] = 0b0000n;
array[1] = 0b0101n;
expect(Atomics.or(array, 0, 0b0000n)).toBe(0b0000n);
expect(array).toEqual([0b0000n, 0b0101n]);
expect(Atomics.or(array, 0, 0b1111n)).toBe(0b0000n);
expect(array).toEqual([0b1111n, 0b0101n]);
expect(Atomics.or(array, 1, 0b0101n)).toBe(0b0101n);
expect(array).toEqual([0b1111n, 0b0101n]);
expect(Atomics.or(array, 1, 0b1000n)).toBe(0b0101n);
expect(array).toEqual([0b1111n, 0b1101n]);
expect(Atomics.or(array, 1, 0b0010n)).toBe(0b1101n);
expect(array).toEqual([0b1111n, 0b1111n]);
});
});