41 lines
971 B
JavaScript
41 lines
971 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.diff');
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require('../env.js');
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suite.addBatch({
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'diff': {
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'topic': function() {
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return jStat;
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},
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'return basic diff': function(jStat) {
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assert.deepEqual(jStat.diff([1, 2, 3]), [1, 1]);
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},
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'diff from instance': function(jStat) {
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assert.deepEqual(jStat([1, 2, 3]).diff(), [1, 1]);
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},
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'diff matrix cols': function(jStat) {
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assert.deepEqual(jStat([[1, 2], [3, 4]]).diff(), [[2], [2]]);
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}
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},
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'#diff vector': {
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'topic': function() {
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jStat([1, 2, 3]).diff(this.callback);
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},
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'diff 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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'#diff matrix cols': {
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'topic': function() {
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jStat([[1, 2], [3, 4]]).diff(this.callback);
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},
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'diff matrix cols callback': function(val, stat) {
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assert.deepEqual(val, [[2], [2]]);
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}
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}
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});
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suite.export(module);
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