public function testAddingChar()
 {
     $blueprint = new Blueprint('users');
     $blueprint->char('foo');
     $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
     $this->assertEquals(1, count($statements));
     $this->assertEquals('alter table users add ( foo char(255) not null )', $statements[0]);
     $blueprint = new Blueprint('users');
     $blueprint->char('foo', 1);
     $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
     $this->assertEquals(1, count($statements));
     $this->assertEquals('alter table users add ( foo char(1) not null )', $statements[0]);
 }