31 lines
865 B
JavaScript
31 lines
865 B
JavaScript
const unique = require('./')
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const TestRunner = require('test-runner')
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const a = require('assert')
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const runner = new TestRunner()
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runner.test('unique', function () {
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const arr = [ 1, 3, 8, 3, 1, 2, 1, 9, 3, 3 ]
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a.deepStrictEqual(arr.reduce(unique), [ 1, 3, 8, 2, 9 ])
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})
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runner.test('unique, default', function () {
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const arr = [ 1, 3, 8, 3, 1, 2, 1, 9, 3, 3 ]
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a.deepStrictEqual(arr.reduce(unique, []), [ 1, 3, 8, 2, 9 ])
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})
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runner.test('unique, single value', function () {
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const arr = [ 3 ]
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a.deepStrictEqual(arr.reduce(unique), 3)
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})
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runner.test('unique, single value into an array', function () {
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const arr = [ 3 ]
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a.deepStrictEqual(arr.reduce(unique, []), [ 3 ])
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})
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runner.test('unique, single value into an array 2', function () {
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const arr = [ 3, 3 ]
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a.deepStrictEqual(arr.reduce(unique, [ 'one', 'two' ]), [ 'one', 'two', 3 ])
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})
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