1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 01:17:35 +00:00

Libraries: Move to Userland/Libraries/

This commit is contained in:
Andreas Kling 2021-01-12 12:17:30 +01:00
parent dc28c07fa5
commit 13d7c09125
1857 changed files with 266 additions and 274 deletions

View file

@ -0,0 +1,25 @@
test("basic functionality", () => {
expect(Number.isNaN).toHaveLength(1);
expect(Number.isNaN).not.toBe(isNaN);
expect(Number.isNaN(0)).toBeFalse();
expect(Number.isNaN(42)).toBeFalse();
expect(Number.isNaN("")).toBeFalse();
expect(Number.isNaN("0")).toBeFalse();
expect(Number.isNaN("42")).toBeFalse();
expect(Number.isNaN(true)).toBeFalse();
expect(Number.isNaN(false)).toBeFalse();
expect(Number.isNaN(null)).toBeFalse();
expect(Number.isNaN([])).toBeFalse();
expect(Number.isNaN(Infinity)).toBeFalse();
expect(Number.isNaN(-Infinity)).toBeFalse();
expect(Number.isNaN()).toBeFalse();
expect(Number.isNaN(undefined)).toBeFalse();
expect(Number.isNaN("foo")).toBeFalse();
expect(Number.isNaN({})).toBeFalse();
expect(Number.isNaN([1, 2, 3])).toBeFalse();
expect(Number.isNaN(NaN)).toBeTrue();
expect(Number.isNaN(Number.NaN)).toBeTrue();
expect(Number.isNaN(0 / 0)).toBeTrue();
});