function FieldTest::providerTestPrepareItemsByDelta
Provides test data for testPrepareItemsByDelta().
File
- 
              core/modules/ views/ tests/ src/ Unit/ Plugin/ field/ FieldTest.php, line 636 
Class
- FieldTest
- @coversDefaultClass \Drupal\views\Plugin\views\field\EntityField[[api-linebreak]] @group views
Namespace
Drupal\Tests\views\Unit\Plugin\fieldCode
public function providerTestPrepareItemsByDelta() {
  $data = [];
  // Let's display all values.
  $data[] = [
    [],
    [
      3,
      1,
      4,
      1,
      5,
      9,
    ],
  ];
  // Test just reversed deltas.
  $data[] = [
    [
      'delta_reversed' => TRUE,
    ],
    [
      9,
      5,
      1,
      4,
      1,
      3,
    ],
  ];
  // Test combinations of delta limit, offset and first_last.
  $data[] = [
    [
      'group_rows' => TRUE,
      'delta_limit' => 3,
    ],
    [
      3,
      1,
      4,
    ],
  ];
  $data[] = [
    [
      'group_rows' => TRUE,
      'delta_limit' => 3,
      'delta_offset' => 2,
    ],
    [
      4,
      1,
      5,
    ],
  ];
  $data[] = [
    [
      'group_rows' => TRUE,
      'delta_reversed' => TRUE,
      'delta_limit' => 3,
      'delta_offset' => 2,
    ],
    [
      1,
      4,
      1,
    ],
  ];
  $data[] = [
    [
      'group_rows' => TRUE,
      'delta_first_last' => TRUE,
    ],
    [
      3,
      9,
    ],
  ];
  $data[] = [
    [
      'group_rows' => TRUE,
      'delta_limit' => 1,
      'delta_first_last' => TRUE,
    ],
    [
      3,
    ],
  ];
  $data[] = [
    [
      'group_rows' => TRUE,
      'delta_offset' => 1,
      'delta_first_last' => TRUE,
    ],
    [
      1,
      9,
    ],
  ];
  // Test with string values where we would expect integers to be provided.
  $data[] = [
    [
      'group_rows' => TRUE,
      'delta_limit' => 'All',
    ],
    [
      3,
      1,
      4,
      1,
      5,
      9,
    ],
  ];
  $data[] = [
    [
      'group_rows' => TRUE,
      'delta_limit' => 'three',
    ],
    [
      3,
      1,
      4,
      1,
      5,
      9,
    ],
  ];
  $data[] = [
    [
      'group_rows' => TRUE,
      'delta_limit' => 'three',
      'delta_offset' => 'two',
    ],
    [
      3,
      1,
      4,
      1,
      5,
      9,
    ],
  ];
  return $data;
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
