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Contents?: true
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Stored size: 703 Bytes
Contents
import steps from './collatz-conjecture';
describe('steps()', () => {
test('zero steps for one', () => {
expect(steps(1)).toEqual(0);
});
xtest('divide if even', () => {
expect(steps(16)).toEqual(4);
});
xtest('even and odd steps', () => {
expect(steps(12)).toEqual(9);
});
xtest('Large number of even and odd steps', () => {
expect(steps(1000000)).toEqual(152);
});
xtest('zero is an error', () => {
expect(() => {
steps(0);
}).toThrow(new Error('Only positive numbers are allowed'));
});
xtest('negative value is an error', () => {
expect(() => {
steps(-15);
}).toThrow(new Error('Only positive numbers are allowed'));
});
});
Version data entries
132 entries across 132 versions & 1 rubygems