ladybird/Libraries/LibJS/Tests/builtins/Math/Math.expm1.js

test("basic functionality", () => {
  expect(Math.expm1).toHaveLength(1);

  expect(Math.expm1(0)).toBe(0);
  expect(Math.expm1(-2)).toBeCloseTo(-0.864664);
  expect(Math.expm1(-1)).toBeCloseTo(-0.63212);
  expect(Math.expm1(1)).toBeCloseTo(1.718281);
  expect(Math.expm1(2)).toBeCloseTo(6.389056);

  expect(Math.expm1()).toBeNaN();
  expect(Math.expm1(undefined)).toBeNaN();
  expect(Math.expm1("foo")).toBeNaN();
});