alasql/test/test247.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('..');
} else {
	__dirname = '.';
};


describe('Test 247 UNARY PLUS', function() {

  it('1. Simple tests',function(done){
  	var res = alasql('SELECT VALUE + -1');
  	assert(res,-1);
  	var res = alasql('SELECT VALUE 70 * +1');
  	assert(res,70);
  	
  	var data = [{col0:10, col1:1, col2:100},{col0:20, col1:2, col2:200}];
  	var res = alasql('SELECT COLUMN + col1 + 4 FROM ?',[data]);
  	assert.deepEqual(res, [5,6]);

  	var res = alasql('SELECT COLUMN - col1 + 4 FROM ?',[data]);
  	assert.deepEqual(res, [3,2]);

  	var res = alasql('SELECT COLUMN col1 - + - col0 FROM ?',[data]);
  	assert.deepEqual(res, [11,22]);

  	var res = alasql('SELECT COLUMN col1 * + col2 FROM ?',[data]);
  	assert.deepEqual(res, [100,400]);

  	var res = alasql('SELECT COLUMN DISTINCT + col1 * + 5 FROM ?',[data]);
  	assert.deepEqual(res, [5,10]);

  	var res = alasql('SELECT VALUE + 36 * + ( + 16 )');
  	assert(res, 36*16);

    done();
  });

});