function FormattableMarkupTest::testUnexpectedPlaceholder

@covers ::__toString @dataProvider providerTestUnexpectedPlaceholder

File

core/tests/Drupal/Tests/Component/Render/FormattableMarkupTest.php, line 78

Class

FormattableMarkupTest

Tests the TranslatableMarkup class.

Namespace

Code

public function testUnexpectedPlaceholder($string, $arguments, $error_number, $error_message) : void {
    // We set a custom error handler because of https://github.com/sebastianbergmann/phpunit/issues/487
    set_error_handler([
        $this,
        'errorHandler',
    ]);
    // We want this to trigger an error.
    $markup = new FormattableMarkup($string, $arguments);
    // Cast it to a string which will generate the errors.
    $output = (string) $markup;
    restore_error_handler();
    // The string should not change.
    $this->assertEquals($string, $output);
    $this->assertEquals($error_number, $this->lastErrorNumber);
    $this->assertEquals($error_message, $this->lastErrorMessage);
}