public function testFloat()
{
$result = SimpleValidator::float("-1");
$this->assertEquals(true, $result);
$result = SimpleValidator::float("+1.1");
$this->assertEquals(true, $result);
$result = SimpleValidator::float("-1.2222");
$this->assertEquals(false, $result);
$result = SimpleValidator::float("-100.2");
$this->assertEquals(true, $result);
$result = SimpleValidator::float("-1009.2");
$this->assertEquals(true, $result);
}