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Libraries: Move to Userland/Libraries/

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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
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25
Userland/Libraries/LibJS/Tests/builtins/Number/Number.isNaN.js Normal file
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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();
});