function Assert::throws

@psalm-param class-string<Throwable> $class

Parameters

Closure $expression:

string $class:

string $message:

Throws

InvalidArgumentException

File

vendor/webmozart/assert/src/Assert.php, line 1936

Class

Assert

Efficient assertions to validate the input/output of your methods.

Namespace

Webmozart\Assert

Code

public static function throws(Closure $expression, $class = 'Exception', $message = '') {
    static::string($class);
    $actual = 'none';
    try {
        $expression();
    } catch (Exception $e) {
        $actual = \get_class($e);
        if ($e instanceof $class) {
            return;
        }
    } catch (Throwable $e) {
        $actual = \get_class($e);
        if ($e instanceof $class) {
            return;
        }
    }
    static::reportInvalidArgument($message ?: \sprintf('Expected to throw "%s", got "%s"', $class, $actual));
}