meddev-test.js (989B)
1 var vows = require('vows'); 2 var assert = require('assert'); 3 var suite = vows.describe('jStat.meddev'); 4 5 require('../env.js'); 6 7 suite.addBatch({ 8 'meddev': { 9 'topic': function() { 10 return jStat; 11 }, 12 'return basic meddev': function(jStat) { 13 assert.equal(jStat.meddev([4, 5, 7, 22, 90, 1, 4, 5]), 1.5); 14 }, 15 'meddev from instance': function(jStat) { 16 assert.equal(jStat([1, 2, 3, 4]).meddev(), 1); 17 }, 18 'meddev matrix cols': function(jStat) { 19 assert.deepEqual(jStat([[1, 2], [3, 4]]).meddev(), [1, 1]); 20 } 21 }, 22 '#meddev vector': { 23 'topic': function() { 24 jStat([1, 2, 3, 4]).meddev(this.callback); 25 }, 26 'meddev callback': function(val, stat) { 27 assert.equal(val, 1); 28 } 29 }, 30 '#meddev matrix cols': { 31 'topic': function() { 32 jStat([[1, 2], [3, 4]]).meddev(this.callback); 33 }, 34 'meddev matrix cols callback': function(val, stat) { 35 assert.deepEqual(val, [1, 1]); 36 } 37 } 38 }); 39 40 suite.export(module);