41 lines
1006 B
JavaScript
41 lines
1006 B
JavaScript
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var vows = require('vows');
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var assert = require('assert');
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var suite = vows.describe('jStat.meandev');
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require('../env.js');
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suite.addBatch({
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'meandev': {
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'topic': function() {
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return jStat;
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},
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'return basic meandev': function(jStat) {
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assert.equal(jStat.meandev([4, 5, 7, 22, 90, 1, 4, 5]), 19.375);
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},
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'meandev from instance': function(jStat) {
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assert.equal(jStat([1, 2, 3, 4]).meandev(), 1);
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},
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'meandev matrix cols': function(jStat) {
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assert.deepEqual(jStat([[1, 2], [3, 4]]).meandev(), [1, 1]);
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}
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},
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'#meandev vector': {
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'topic': function() {
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jStat([1, 2, 3, 4]).meandev(this.callback);
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},
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'meandev callback': function(val, stat) {
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assert.equal(val, 1);
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}
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},
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'#meandev matrix cols': {
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'topic': function() {
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jStat([[1, 2], [3, 4]]).meandev(this.callback);
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},
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'meandev matrix cols callback': function(val, stat) {
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assert.deepEqual(val, [1, 1]);
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}
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}
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});
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suite.export(module);
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