ladybird/Userland/Libraries/LibJS/Tests/parseInt.js
Idan Horowitz 0bf597e99d LibJS: Uncomment and add parseInt tests
Added another test that checks radices > 16, as well as uncommented
several "FIXME" tests that are now working.
2021-06-06 01:34:22 +01:00

60 lines
2.2 KiB
JavaScript

test("basic parseInt() functionality", () => {
expect(parseInt("0")).toBe(0);
expect(parseInt("100")).toBe(100);
expect(parseInt("1000", 16)).toBe(4096);
expect(parseInt("0xF", 16)).toBe(15);
expect(parseInt("F", 16)).toBe(15);
expect(parseInt("17", 8)).toBe(15);
expect(parseInt(021, 8)).toBe(15);
expect(parseInt("015", 10)).toBe(15);
expect(parseInt(15.99, 10)).toBe(15);
expect(parseInt("15,123", 10)).toBe(15);
expect(parseInt("FXX123", 16)).toBe(15);
expect(parseInt("1111", 2)).toBe(15);
expect(parseInt("15 * 3", 10)).toBe(15);
expect(parseInt("15e2", 10)).toBe(15);
expect(parseInt("15px", 10)).toBe(15);
expect(parseInt("12", 13)).toBe(15);
expect(parseInt("Hello", 8)).toBeNaN();
expect(parseInt("546", 2)).toBeNaN();
expect(parseInt("-F", 16)).toBe(-15);
expect(parseInt("-0F", 16)).toBe(-15);
expect(parseInt("-0XF", 16)).toBe(-15);
expect(parseInt(-15.1, 10)).toBe(-15);
expect(parseInt("-17", 8)).toBe(-15);
expect(parseInt("-15", 10)).toBe(-15);
expect(parseInt("-1111", 2)).toBe(-15);
expect(parseInt("-15e1", 10)).toBe(-15);
expect(parseInt("-12", 13)).toBe(-15);
expect(parseInt(4.7, 10)).toBe(4);
expect(parseInt("0e0", 16)).toBe(224);
expect(parseInt("123_456")).toBe(123);
expect(parseInt("UVWXYZ", 36)).toBe(1867590395);
expect(parseInt(4.7 * 1e22, 10)).toBe(4);
expect(parseInt(0.00000000000434, 10)).toBe(4);
expect(parseInt(0.0000001, 11)).toBe(1);
expect(parseInt(0.000000124, 10)).toBe(1);
expect(parseInt(1e-7, 10)).toBe(1);
expect(parseInt(1000000000000100000000, 10)).toBe(1);
expect(parseInt(123000000000010000000000, 10)).toBe(1);
expect(parseInt(1e21, 10)).toBe(1);
// FIXME: expect(parseInt('900719925474099267n')).toBe(900719925474099300)
});
test("parseInt() radix is coerced to a number", () => {
const obj = {
valueOf() {
return 8;
},
};
expect(parseInt("11", obj)).toBe(9);
obj.valueOf = function () {
return 1;
};
expect(parseInt("11", obj)).toBeNaN();
obj.valueOf = function () {
return Infinity;
};
expect(parseInt("11", obj)).toBe(11);
});