/**
* @covers ::equals
*/
public function testEqualsEmptyItems()
{
/** @var \Drupal\Core\Field\FieldItemBase $fv */
$first_field_item = $this->getMockForAbstractClass('Drupal\\Core\\Field\\FieldItemBase', [], '', FALSE);
$first_field_item->setValue(['0' => 1, '1' => 2]);
$second_field_item = $this->getMockForAbstractClass('Drupal\\Core\\Field\\FieldItemBase', [], '', FALSE);
$second_field_item->setValue(['1' => 2, '0' => 1]);
$empty_field_item = $this->getMockForAbstractClass('Drupal\\Core\\Field\\FieldItemBase', [], '', FALSE);
// Mock the field type manager and place it in the container.
$field_type_manager = $this->getMock('Drupal\\Core\\Field\\FieldTypePluginManagerInterface');
$container = new ContainerBuilder();
$container->set('plugin.manager.field.field_type', $field_type_manager);
\Drupal::setContainer($container);
$field_storage_definition = $this->getMock('Drupal\\Core\\Field\\FieldStorageDefinitionInterface');
$field_storage_definition->expects($this->any())->method('getColumns')->willReturn([0 => '0', 1 => '1']);
$field_definition = $this->getMock('Drupal\\Core\\Field\\FieldDefinitionInterface');
$field_definition->expects($this->any())->method('getFieldStorageDefinition')->willReturn($field_storage_definition);
$field_list_a = new FieldItemList($field_definition);
$field_list_b = new FieldItemList($field_definition);
// Set up the mocking necessary for creating field items.
$field_type_manager->expects($this->any())->method('createFieldItem')->willReturnOnConsecutiveCalls($first_field_item, $second_field_item, $empty_field_item, $empty_field_item);
// Set the field item values.
$field_list_a->setValue($first_field_item);
$field_list_b->setValue($second_field_item);
$field_list_a->appendItem($empty_field_item);
// Field list A has an empty item.
$this->assertEquals(FALSE, $field_list_a->equals($field_list_b));
// Field lists A and B have empty items.
$field_list_b->appendItem($empty_field_item);
$this->assertEquals(TRUE, $field_list_a->equals($field_list_b));
// Field list B has an empty item.
$field_list_a->filterEmptyItems();
$this->assertEquals(FALSE, $field_list_a->equals($field_list_b));
// Neither field lists A and B have empty items.
$field_list_b->filterEmptyItems();
$this->assertEquals(TRUE, $field_list_a->equals($field_list_b));
}
