public function testIsNullFilter()
{
MySql::executeStatement("TRUNCATE TABLE tblCompany");
$company = new \Rhubarb\Stem\Tests\Fixtures\Company();
$company->CompanyName = "GCD";
$company->save();
$companies = new Collection('Rhubarb\\Stem\\Tests\\Fixtures\\Company');
$companies->filter(new Equals("CompanyName", null));
$this->assertEquals(0, $companies->count());
$companies = new Collection('Rhubarb\\Stem\\Tests\\Fixtures\\Company');
$companies->filter(new Equals("ProjectCount", null));
$this->assertEquals(1, $companies->count());
}
