37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
var vows = require('vows');
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var assert = require('assert');
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var suite = vows.describe('jStat.histogram');
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require('../env.js');
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suite.addBatch({
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'histogram': {
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'topic': function() {
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return jStat;
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},
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'returns histogram (bin counts)': function(jStat) {
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assert.deepEqual(
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jStat.histogram([1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 8]), [4, 2, 3, 2]);
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},
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'histogram from instance': function(jStat) {
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assert.deepEqual(
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jStat([1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 8]).histogram(), [4, 2, 3, 2]);
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},
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'histogram with numBins parameter': function(jStat) {
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assert.deepEqual(
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jStat([1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 8, 10]).histogram(10),
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[2, 2, 1, 1, 2, 1, 1, 1, 0, 1]);
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},
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'histogram with floating point values': function(jStat) {
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assert.deepEqual(
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jStat([0.1, 0.1, 0.3, 0.5]).histogram(3), [2, 1, 1]);
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},
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'documentation values': function(jStat) {
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assert.deepEqual(
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jStat.histogram([100, 101, 102, 230, 304, 305, 400], 3), [3, 1, 3]);
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}
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}
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});
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suite.export(module);
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