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LibJS: Expose TypedArray.prototype.byteLength

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Luke 2021-05-21 21:34:25 +01:00 • committed by Linus Groh
parent 8004a2dc77
commit 58afd71ad2
3 changed files with 37 additions and 0 deletions
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19
Userland/Libraries/LibJS/Tests/builtins/TypedArray/TypedArray.prototype.byteLength.js Normal file
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// Update when more typed arrays get added
const TYPED_ARRAYS = [
{ array: Uint8Array, expected: 3 },
{ array: Uint16Array, expected: 6 },
{ array: Uint32Array, expected: 12 },
{ array: Int8Array, expected: 3 },
{ array: Int16Array, expected: 6 },
{ array: Int32Array, expected: 12 },
{ array: Float32Array, expected: 12 },
{ array: Float64Array, expected: 24 },
];
test("basic functionality", () => {
TYPED_ARRAYS.forEach(T => {
const typedArray = new T.array([1, 2, 3]);
expect(Object.hasOwn(typedArray, "byteOffset")).toBeFalse();
expect(typedArray.byteLength).toBe(T.expected);
});
});