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11 lines
421 B
JavaScript
11 lines
421 B
JavaScript
test("basic functionality", () => {
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expect(Math.log).toHaveLength(1);
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expect(Math.log(-1)).toBe(NaN);
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expect(Math.log(0)).toBe(-Infinity);
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expect(Math.log(1)).toBe(0);
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expect(Math.log(10)).toBeCloseTo(2.302585092994046);
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expect(Math.log(NaN)).toBe(NaN);
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expect(Math.log(Number.POSITIVE_INFINITY)).toBe(Number.POSITIVE_INFINITY);
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expect(Math.log(-0.0)).toBe(Number.NEGATIVE_INFINITY);
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});
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