time-to-botec

Benchmark sampling in different programming languages
Log | Files | Refs | README

histogram-test.js (1083B)

      1 var vows = require('vows');
      2 var assert = require('assert');
      3 var suite = vows.describe('jStat.histogram');
      4 
      5 require('../env.js');
      6 
      7 suite.addBatch({
      8   'histogram': {
      9     'topic': function() {
     10       return jStat;
     11     },
     12     'returns histogram (bin counts)': function(jStat) {
     13       assert.deepEqual(
     14           jStat.histogram([1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 8]), [4, 2, 3, 2]);
     15     },
     16     'histogram from instance': function(jStat) {
     17       assert.deepEqual(
     18           jStat([1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 8]).histogram(), [4, 2, 3, 2]);
     19     },
     20     'histogram with numBins parameter': function(jStat) {
     21       assert.deepEqual(
     22           jStat([1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 8, 10]).histogram(10),
     23           [2, 2, 1, 1, 2, 1, 1, 1, 0, 1]);
     24     },
     25     'histogram with floating point values': function(jStat) {
     26       assert.deepEqual(
     27           jStat([0.1, 0.1, 0.3, 0.5]).histogram(3), [2, 1, 1]);
     28     },
     29     'documentation values': function(jStat) {
     30       assert.deepEqual(
     31         jStat.histogram([100, 101, 102, 230, 304, 305, 400], 3), [3, 1, 3]);
     32     }
     33   }
     34 });
     35 
     36 suite.export(module);