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Libraries: Move to Userland/Libraries/
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1857 changed files with 266 additions and 274 deletions
37
Userland/Libraries/LibJS/Tests/exponentiation-basic.js
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37
Userland/Libraries/LibJS/Tests/exponentiation-basic.js
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test("regular exponentiation", () => {
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expect(2 ** 0).toBe(1);
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expect(2 ** 1).toBe(2);
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expect(2 ** 2).toBe(4);
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expect(2 ** 3).toBe(8);
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expect(3 ** 2).toBe(9);
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expect(0 ** 0).toBe(1);
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expect(2 ** (3 ** 2)).toBe(512);
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expect(2 ** (3 ** 2)).toBe(512);
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expect((2 ** 3) ** 2).toBe(64);
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});
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test("exponentiation with negatives", () => {
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expect(2 ** -3).toBe(0.125);
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expect((-2) ** 3).toBe(-8);
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// FIXME: This should fail :)
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// expect("-2 ** 3").not.toEval();
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});
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test("exponentiation with non-numeric primitives", () => {
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expect("2" ** "3").toBe(8);
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expect("" ** []).toBe(1);
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expect([] ** null).toBe(1);
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expect(null ** null).toBe(1);
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expect(undefined ** null).toBe(1);
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});
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test("exponentiation that produces NaN", () => {
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expect(NaN ** 2).toBeNaN();
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expect(2 ** NaN).toBeNaN();
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expect(undefined ** 2).toBeNaN();
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expect(2 ** undefined).toBeNaN();
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expect(null ** undefined).toBeNaN();
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expect(2 ** "foo").toBeNaN();
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expect("foo" ** 2).toBeNaN();
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});
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