ExpectDeprecationTest.php

<?php

namespace Drupal\Tests;

use Drupal\Tests\Traits\ExpectDeprecationTrait;

/**
 * @coversDefaultClass \Drupal\Tests\Traits\ExpectDeprecationTrait
 *
 * @group Test
 * @group legacy
 *
 * Do not remove this test when \Drupal\Tests\Traits\ExpectDeprecationTrait is
 * removed. Change it to use \Symfony\Bridge\PhpUnit\ExpectDeprecationTrait
 * instead to ensure Drupal has test coverage of Symfony's deprecation testing.
 */
class ExpectDeprecationTest extends UnitTestCase {
    use ExpectDeprecationTrait;
    
    /**
     * @covers ::addExpectedDeprecationMessage
     */
    public function testExpectDeprecation() {
        $this->expectDeprecation('Drupal\\Tests\\Traits\\ExpectDeprecationTrait::addExpectedDeprecationMessage() is deprecated in drupal:9.1.0 and is removed from drupal:10.0.0. Use \\Symfony\\Bridge\\PhpUnit\\ExpectDeprecationTrait::expectDeprecation() instead. See https://www.drupal.org/node/3161901');
        $this->addExpectedDeprecationMessage('Test deprecation');
        @trigger_error('Test deprecation', E_USER_DEPRECATED);
    }
    
    /**
     * @covers ::addExpectedDeprecationMessage
     * @runInSeparateProcess
     * @preserveGlobalState disabled
     */
    public function testExpectDeprecationInIsolation() {
        $this->expectDeprecation('Drupal\\Tests\\Traits\\ExpectDeprecationTrait::addExpectedDeprecationMessage() is deprecated in drupal:9.1.0 and is removed from drupal:10.0.0. Use \\Symfony\\Bridge\\PhpUnit\\ExpectDeprecationTrait::expectDeprecation() instead. See https://www.drupal.org/node/3161901');
        $this->expectDeprecation('Drupal\\Tests\\Traits\\ExpectDeprecationTrait::expectedDeprecations() is deprecated in drupal:9.1.0 and is removed from drupal:10.0.0. Use \\Symfony\\Bridge\\PhpUnit\\ExpectDeprecationTrait::expectDeprecation() instead. See https://www.drupal.org/node/3161901');
        $this->addExpectedDeprecationMessage('Test isolated deprecation');
        $this->expectedDeprecations([
            'Test isolated deprecation2',
        ]);
        @trigger_error('Test isolated deprecation', E_USER_DEPRECATED);
        @trigger_error('Test isolated deprecation2', E_USER_DEPRECATED);
    }

}