alasql/test/test039.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 39', function() {
	describe('Negative numbers', function(){
		var db;
		it('Prepare database', function(done){
			db = new alasql.Database("db");

			db.exec('CREATE TABLE one (a INT, b INT)');
			db.exec('INSERT INTO one VALUES (-1,-10),(-2,-20),(3,30), (-4,40)');
			done();
		});


		it('Negative numbers', function(done){
			var res = db.exec("SELECT a,b,-1*a AS c FROM one  WHERE b < -15 ORDER BY a");
			assert.deepEqual(res,[{a:-2, b:-20, c:2}]);
			done();
		});


	});
});