Chumper\Datatable\Table::countColumns PHP Method

    public function countColumns()
    {
        return count($this->columns);
    }

 public function testAddColumn()
 {
     $this->table->addColumn('foo');
     $this->assertEquals(1, $this->table->countColumns());
     $this->table->addColumn('foo1', 'foo2');
     $this->assertEquals(3, $this->table->countColumns());
     $this->table->addColumn(array('foo3', 'foo4'));
     $this->assertEquals(5, $this->table->countColumns());
 }