19 lines
452 B
JavaScript
19 lines
452 B
JavaScript
var test = require('tape');
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var ss = require('../');
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test('mean', function(t) {
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test('can get the mean of two numbers', function(t) {
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t.equal(ss.mean([1, 2]), 1.5);
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t.end();
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});
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test('can get the mean of one number', function(t) {
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t.equal(ss.mean([1]), 1);
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t.end();
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});
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test('an empty list has no average', function(t) {
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t.equal(ss.mean([]), null);
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t.end();
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});
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t.end();
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});
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