/**
  * @throws \RuntimeException
  * @return \DatabaseExporterImporter\Entity\Column[]
  */
 public function getDependentColumns()
 {
     if (null === $this->parentColumn->getTable()) {
         throw new \RuntimeException('The parent column does not contain a parent table.');
     }
     $columns = [];
     foreach ($this->tables as $table) {
         foreach ($table->getColumns() as $column) {
             if (null !== $column->getForeignKey() && $column->getForeignKey()->getColumnName() === $this->parentColumn->getName() && $column->getForeignKey()->getTableName() === $this->parentColumn->getTable()->getName()) {
                 $columns[] = $column;
             }
         }
     }
     return $columns;
 }
 public function test()
 {
     $foreignKey = new ForeignKey();
     $foreignKey->setTableName('table1')->setColumnName('column1');
     $subject = new Column('name');
     $subject->setForeignKey($foreignKey)->setTable(new Table('test_table'));
     static::assertSame('name', $subject->getName());
     static::assertInstanceOf(ForeignKey::class, $subject->getForeignKey());
     $subject->removeForeignKey();
     static::assertSame(null, $subject->getForeignKey());
     static::assertFalse($subject->isAutoIncrement());
     $subject->setAutoIncrement(true);
     static::assertTrue($subject->isAutoIncrement());
     static::assertSame('test_table', $subject->getTable()->getName());
 }