ExpectDeprecationTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests;

use Drupal\TestTools\Extension\DeprecationBridge\ExpectDeprecationTrait;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\Attributes\IgnoreDeprecations;
use PHPUnit\Framework\Attributes\PreserveGlobalState;
use PHPUnit\Framework\Attributes\RunInSeparateProcess;
use PHPUnit\Framework\TestCase;

/**
 * Ensures Drupal has test coverage of Symfony's deprecation testing.
 */
class ExpectDeprecationTest extends TestCase {
  use ExpectDeprecationTrait;
  
  /**
   * Tests expectDeprecation.
   */
  public function testExpectDeprecation() : void {
    $this->expectDeprecation('Test deprecation');
    // phpcs:ignore Drupal.Semantics.FunctionTriggerError
    @trigger_error('Test deprecation', E_USER_DEPRECATED);
  }
  
  /**
   * Tests expectDeprecation in isolated test.
   */
  public function testExpectDeprecationInIsolation() : void {
    $this->expectDeprecation('Test isolated deprecation');
    // phpcs:ignore Drupal.Semantics.FunctionTriggerError
    @trigger_error('Test isolated deprecation', E_USER_DEPRECATED);
  }

}