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| function average(numbers) { | |
| return sum(numbers) / numbers.length; | |
| } | |
| function sum(numbers) { | |
| return numbers.reduce(function(a, b) { | |
| return a + b; | |
| }); | |
| } | |
| function assertAverageEqual(actual, expected, testName) { | |
| if (actual === expected) { | |
| console.log('passed'); | |
| } else { | |
| console.log('FAILED: ' + testName + ', expected ' + actual + ' to be ' + expected); | |
| } | |
| } | |
| function assertSumEqual(actual, expected, testName) { | |
| if (actual === expected) { | |
| console.log('passed'); | |
| } else { | |
| console.log('FAILED: ' + testName + ', expected ' + actual + ' to be ' + expected); | |
| } | |
| } | |
| assertAverageEqual(average([1,2,3,4]), 2.5, 'Average function'); | |
| assertSumEqual(sum([1,2,3,4]), 10, 'Sum function'); |
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