function Assert::assertContainsOnlyInstancesOf

Asserts that a haystack contains only instances of a given class name.

Throws

ExpectationFailedException

1 call to Assert::assertContainsOnlyInstancesOf()

Functions.php in vendor/phpunit/phpunit/src/Framework/Assert/Functions.php

File

vendor/phpunit/phpunit/src/Framework/Assert.php, line 191

Class

Assert: @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit

Namespace

PHPUnit\Framework

Code

public static final function assertContainsOnlyInstancesOf(string $className, iterable $haystack, string $message = '') : void {
    static::assertThat($haystack, new TraversableContainsOnly($className, false), $message);
}