function SelectOrderedTest::testSimpleSelectOrderedDesc

Tests ORDER BY descending.

File

core/tests/Drupal/KernelTests/Core/Database/SelectOrderedTest.php, line 70

Class

SelectOrderedTest

Tests the Select query builder.

Namespace

Code

public function testSimpleSelectOrderedDesc() : void {
  $query = $this->connection
    ->select('test');
  $query->addField('test', 'name');
  $age_field = $query->addField('test', 'age', 'age');
  $query->orderBy($age_field, 'DESC');
  $result = $query->execute();
  $num_records = 0;
  $last_age = 100000000;
  foreach ($result as $record) {
    $num_records++;
    // Verify that the results are returned in the correct order.
    $this->assertLessThanOrEqual($last_age, $record->age);
    $last_age = $record->age;
  }
  $this->assertEquals(4, $num_records, 'Returned the correct number of rows.');
}