alasql/test/test092.js

AlaSQL.js - JavaScript SQL database library for relational and graph data manipulation with support of localStorage, IndexedDB, and Excel

if(typeof exports === 'object') {
	var assert = require("assert");
	var alasql = require('..');
};

describe('Test 92 - Std Functions (STD, etc.)', function() {

  it('1. STD()',function(done){
  	var data = [1,2,3];
  	var res = alasql('SELECT VALUE STD(_) FROM ?',[data]);
  	assert(res > 0.816496580927725 && res < 0.816496580927727)
  	done();
  });

  it('2. STD(DISTINCT) and STD(ALL)',function(done){
  	var data = [1,2,3,1];
  	var res = alasql('SELECT VALUE STD(_) FROM ?',[data]);
  	assert(res > 0.8291561975888 && res < 0.8291561975889)
  	var res = alasql('SELECT VALUE STD(ALL _) FROM ?',[data]);
  	assert(res > 0.8291561975888 && res < 0.8291561975889)

  	var res = alasql('SELECT VALUE STD(DISTINCT _) FROM ?',[data]);
  	assert(res > 0.816496580927725 && res < 0.816496580927727)

  	done();
  });


/*

ABSVAL
CEIL
FLOOR
ROUND
TRUNC
ASCII
CHAR
CONCAT
CONCAT_WS
LEFT
LPAD
SUBSTR
SUBSTRING
TRIM
COALESCE
VALUE

*/
//	it('localStorage', function(done){
//		done();
//	});

});