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64 lines
1.5 KiB
JavaScript
64 lines
1.5 KiB
JavaScript
test("basic numeric and", () => {
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expect(0 & 0).toBe(0);
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expect(0 & 1).toBe(0);
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expect(0 & 2).toBe(0);
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expect(0 & 3).toBe(0);
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expect(0 & 4).toBe(0);
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expect(0 & 5).toBe(0);
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expect(1 & 0).toBe(0);
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expect(1 & 1).toBe(1);
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expect(1 & 2).toBe(0);
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expect(1 & 3).toBe(1);
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expect(1 & 4).toBe(0);
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expect(1 & 5).toBe(1);
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expect(2 & 0).toBe(0);
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expect(2 & 1).toBe(0);
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expect(2 & 2).toBe(2);
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expect(2 & 3).toBe(2);
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expect(2 & 4).toBe(0);
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expect(2 & 5).toBe(0);
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expect(3 & 0).toBe(0);
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expect(3 & 1).toBe(1);
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expect(3 & 2).toBe(2);
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expect(3 & 3).toBe(3);
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expect(3 & 4).toBe(0);
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expect(3 & 5).toBe(1);
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expect(4 & 0).toBe(0);
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expect(4 & 1).toBe(0);
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expect(4 & 2).toBe(0);
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expect(4 & 3).toBe(0);
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expect(4 & 4).toBe(4);
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expect(4 & 5).toBe(4);
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expect(5 & 0).toBe(0);
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expect(5 & 1).toBe(1);
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expect(5 & 2).toBe(0);
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expect(5 & 3).toBe(1);
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expect(5 & 4).toBe(4);
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expect(5 & 5).toBe(5);
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expect(0xffffffff & 0).toBe(0);
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expect(0xffffffff & 0xffffffff).toBe(-1);
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});
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test("and with non-numeric values", () => {
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let x = 3;
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let y = 7;
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expect("42" & 6).toBe(2);
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expect(x & y).toBe(3);
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expect(x & [[[[13]]]]).toBe(1);
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expect(undefined & y).toBe(0);
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expect("a" & "b").toBe(0);
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expect(null & null).toBe(0);
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expect(undefined & undefined).toBe(0);
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expect(NaN & NaN).toBe(0);
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expect(NaN & 6).toBe(0);
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expect(Infinity & Infinity).toBe(0);
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expect(-Infinity & Infinity).toBe(0);
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});
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