mirror of
https://github.com/RGBCube/serenity
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24 lines
1.1 KiB
JavaScript
24 lines
1.1 KiB
JavaScript
test("basic functionality", () => {
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expect(Number.isSafeInteger).toHaveLength(1);
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expect(Number.isSafeInteger(0)).toBeTrue();
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expect(Number.isSafeInteger(1)).toBeTrue();
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expect(Number.isSafeInteger(2.0)).toBeTrue();
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expect(Number.isSafeInteger(42)).toBeTrue();
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expect(Number.isSafeInteger(Number.MAX_SAFE_INTEGER)).toBeTrue();
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expect(Number.isSafeInteger(Number.MIN_SAFE_INTEGER)).toBeTrue();
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expect(Number.isSafeInteger()).toBeFalse();
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expect(Number.isSafeInteger("1")).toBeFalse();
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expect(Number.isSafeInteger(2.1)).toBeFalse();
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expect(Number.isSafeInteger(42.42)).toBeFalse();
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expect(Number.isSafeInteger("")).toBeFalse();
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expect(Number.isSafeInteger([])).toBeFalse();
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expect(Number.isSafeInteger(null)).toBeFalse();
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expect(Number.isSafeInteger(undefined)).toBeFalse();
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expect(Number.isSafeInteger(NaN)).toBeFalse();
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expect(Number.isSafeInteger(Infinity)).toBeFalse();
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expect(Number.isSafeInteger(-Infinity)).toBeFalse();
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expect(Number.isSafeInteger(Number.MAX_SAFE_INTEGER + 1)).toBeFalse();
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expect(Number.isSafeInteger(Number.MIN_SAFE_INTEGER - 1)).toBeFalse();
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});
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