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

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test("basic functionality", () => {
expect(Math.acosh).toHaveLength(1);
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expect(Math.acosh(-1)).toBeNaN();
expect(Math.acosh(0)).toBeNaN();
expect(Math.acosh(0.5)).toBeNaN();
expect(Math.acosh(1)).toBeCloseTo(0);
// FIXME: expect(Math.acosh(2)).toBeCloseTo(1.316957);
});