21 lines
988 B
JavaScript
21 lines
988 B
JavaScript
const test = require('tape');
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const last = require('./last.js');
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test('Testing last', (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 last === 'function', 'last is a Function');
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t.true(last({ a: 1234}) === undefined, 'last({ a: 1234}) returns undefined');
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t.equal(last([1, 2, 3]), 3, "last([1, 2, 3]) returns 3");
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t.equal(last({ 0: false}), undefined, 'last({ 0: false}) returns undefined');
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t.equal(last('String'), 'g', 'last(String) returns g');
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t.throws(() => last(null), 'last(null) throws an Error');
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t.throws(() => last(undefined), 'last(undefined) throws an Error');
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t.throws(() => last(), 'last() throws an Error');
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let start = new Date().getTime();
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last([1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 1122, 32124, 23232]);
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let end = new Date().getTime();
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t.true((end - start) < 2000, 'last([1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 1122, 32124, 23232]) takes less than 2s to run');
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t.end();
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}); |