public function testInteger()
{
$result = SimpleValidator::integer("-9");
$this->assertEquals(true, $result);
$result = SimpleValidator::integer("123456");
$this->assertEquals(true, $result);
$result = SimpleValidator::integer("+9");
$this->assertEquals(true, $result);
$result = SimpleValidator::integer("9");
$this->assertEquals(true, $result);
$result = SimpleValidator::integer("9.1");
$this->assertEquals(false, $result);
$result = SimpleValidator::integer("900000000000000000");
$this->assertEquals(false, $result);
}
