23 lines
577 B
JavaScript
23 lines
577 B
JavaScript
test("basic functionality", () => {
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expect(~0).toBe(-1);
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expect(~1).toBe(-2);
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expect(~2).toBe(-3);
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expect(~3).toBe(-4);
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expect(~4).toBe(-5);
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expect(~5).toBe(-6);
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expect(~-1).toBe(0);
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expect(~42).toBe(-43);
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expect(~9999).toBe(-10000);
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});
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test("non-numeric values", () => {
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expect(~"42").toBe(-43);
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expect(~"foo").toBe(-1);
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expect(~[]).toBe(-1);
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expect(~{}).toBe(-1);
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expect(~undefined).toBe(-1);
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expect(~null).toBe(-1);
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expect(~NaN).toBe(-1);
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expect(~Infinity).toBe(-1);
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expect(~-Infinity).toBe(-1);
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});
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