25 lines
681 B
JavaScript
25 lines
681 B
JavaScript
const test = require('tape');
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const collatz = require('./collatz.js');
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test('Testing collatz', (t) => {
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//For more information on all the methods supported by tape
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//Please go to https://github.com/substack/tape
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t.true(typeof collatz === 'function', 'collatz is a Function');
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//t.deepEqual(collatz(args..), 'Expected');
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t.equal(collatz(8), 4, 'When n is even, divide by 2');
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t.equal(collatz(9), 28, 'When n is odd, times by 3 and add 1');
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let n = 9;
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while(true){
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if (n === 1){
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t.pass('Eventually reaches 1');
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break;
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}
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n = collatz(n);
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}
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//t.false(collatz(args..), 'Expected');
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//t.throws(collatz(args..), 'Expected');
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t.end();
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});
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