function Assert::assertContainsOnly

Asserts that a haystack contains only values of a given type.

Throws

ExpectationFailedException

1 call to Assert::assertContainsOnly()

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

File

vendor/phpunit/phpunit/src/Framework/Assert.php, line 169

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 assertContainsOnly(string $type, iterable $haystack, ?bool $isNativeType = null, string $message = '') : void {
    if ($isNativeType === null) {
        $isNativeType = self::isNativeType($type);
    }
    static::assertThat($haystack, new TraversableContainsOnly($type, $isNativeType), $message);
}