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LibJS: Add tests cases for %TypedArray%.prototype.toSorted function

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Obinna Ikeh 2022-06-29 07:52:06 +01:00 • committed by Linus Groh
parent 4dbb2c2d44
commit 104330d1a0
1 changed files with 84 additions and 0 deletions
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Userland/Libraries/LibJS/Tests/builtins/TypedArray/TypedArray.prototype.toSorted.js Normal file
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const TYPED_ARRAYS = [
Uint8Array,
Uint8ClampedArray,
Uint16Array,
Uint32Array,
Int8Array,
Int16Array,
Int32Array,
Float32Array,
Float64Array,
];
const BIGINT_TYPED_ARRAYS = [BigUint64Array, BigInt64Array];
test("basic functionality", () => {
TYPED_ARRAYS.forEach(T => {
expect(T.prototype.toSorted).toHaveLength(1);
const typedArray = new T([3, 1, 2]);
let sortedtypedArray = typedArray.toSorted();
expect(sortedtypedArray).not.toBe(typedArray);
expect(sortedtypedArray[0]).toBe(1);
expect(sortedtypedArray[1]).toBe(2);
expect(sortedtypedArray[2]).toBe(3);
sortedtypedArray = typedArray.toSorted(() => 0);
expect(sortedtypedArray).not.toBe(typedArray);
expect(sortedtypedArray[0]).toBe(3);
expect(sortedtypedArray[1]).toBe(1);
expect(sortedtypedArray[2]).toBe(2);
});
BIGINT_TYPED_ARRAYS.forEach(T => {
expect(T.prototype.toSorted).toHaveLength(1);
const typedArray = new T([3n, 1n, 2n]);
let sortedtypedArray = typedArray.toSorted();
expect(sortedtypedArray).not.toBe(typedArray);
expect(sortedtypedArray[0]).toBe(1n);
expect(sortedtypedArray[1]).toBe(2n);
expect(sortedtypedArray[2]).toBe(3n);
sortedtypedArray = typedArray.toSorted(() => 0);
expect(sortedtypedArray).not.toBe(typedArray);
expect(sortedtypedArray[0]).toBe(3n);
expect(sortedtypedArray[1]).toBe(1n);
expect(sortedtypedArray[2]).toBe(2n);
});
});
describe("errors", () => {
test("null or undefined this value", () => {
TYPED_ARRAYS.forEach(T => {
expect(() => {
T.prototype.toSorted.call();
}).toThrowWithMessage(TypeError, "ToObject on null or undefined");
expect(() => {
T.prototype.toSorted.call(undefined);
}).toThrowWithMessage(TypeError, "ToObject on null or undefined");
expect(() => {
T.prototype.toSorted.call(null);
}).toThrowWithMessage(TypeError, "ToObject on null or undefined");
});
BIGINT_TYPED_ARRAYS.forEach(T => {});
});
test("invalid compare function", () => {
TYPED_ARRAYS.forEach(T => {
expect(() => {
new T([]).toSorted("foo");
}).toThrowWithMessage(TypeError, "foo is not a function");
});
BIGINT_TYPED_ARRAYS.forEach(T => {
expect(() => {
new T([]).toSorted("foo");
}).toThrowWithMessage(TypeError, "foo is not a function");
});
});
});