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Added more tests

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Ricardo Fernández Serrata 2022-05-30 22:32:32 -04:00 committed by GitHub
parent fce580f67f
commit ef8d0672b6
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1 changed files with 11 additions and 1 deletions
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src/algorithms/math/is-power-of-two/__test__/isPowerOfTwo.test.js
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@ -2,11 +2,15 @@ import isPowerOfTwo from '../isPowerOfTwo';
describe('isPowerOfTwo', () => { describe('isPowerOfTwo', () => {
it('should check if the number is made by multiplying twos', () => { it('should check if the number is made by multiplying twos', () => {
expect(isPowerOfTwo(-8.5)).toBe(false);
expect(isPowerOfTwo(-1)).toBe(false); expect(isPowerOfTwo(-1)).toBe(false);
expect(isPowerOfTwo(0)).toBe(false); expect(isPowerOfTwo(0)).toBe(false);
expect(isPowerOfTwo(0.5)).toBe(false);
expect(isPowerOfTwo(1)).toBe(true); expect(isPowerOfTwo(1)).toBe(true);
expect(isPowerOfTwo(2)).toBe(true); expect(isPowerOfTwo(2)).toBe(true);
expect(isPowerOfTwo(Math.E)).toBe(false);
expect(isPowerOfTwo(3)).toBe(false); expect(isPowerOfTwo(3)).toBe(false);
expect(isPowerOfTwo(Math.PI)).toBe(false);
expect(isPowerOfTwo(4)).toBe(true); expect(isPowerOfTwo(4)).toBe(true);
expect(isPowerOfTwo(5)).toBe(false); expect(isPowerOfTwo(5)).toBe(false);
expect(isPowerOfTwo(6)).toBe(false); expect(isPowerOfTwo(6)).toBe(false);
@ -17,7 +21,13 @@ describe('isPowerOfTwo', () => {
expect(isPowerOfTwo(16)).toBe(true); expect(isPowerOfTwo(16)).toBe(true);
expect(isPowerOfTwo(31)).toBe(false); expect(isPowerOfTwo(31)).toBe(false);
expect(isPowerOfTwo(64)).toBe(true); expect(isPowerOfTwo(64)).toBe(true);
expect(isPowerOfTwo(1024)).toBe(true);
expect(isPowerOfTwo(1023)).toBe(false); expect(isPowerOfTwo(1023)).toBe(false);
expect(isPowerOfTwo(1024)).toBe(true);
expect(isPowerOfTwo(2 ** 32 - 1)).toBe(false);
expect(isPowerOfTwo(2 ** 32)).toBe(true);
expect(isPowerOfTwo(2 ** 64)).toBe(true);
expect(isPowerOfTwo(2 ** 69)).toBe(true); //nice, lol
expect(isPowerOfTwo(2 ** 0x3ff)).toBe(true); //closest to `Number.MAX_VALUE`
expect(isPowerOfTwo(Infinity)).toBe(false);
}); });
}); });