class TestSuiteCollection

final class TestSuiteCollection implements Countable, IteratorAggregate {
    
    /**
     * @psalm-var list<TestSuite>
     */
    private readonly array $testSuites;
    
    /**
     * @psalm-param list<TestSuite> $testSuites
     */
    public static function fromArray(array $testSuites) : self {
        return new self(...$testSuites);
    }
    private function __construct(TestSuite ...$testSuites) {
        $this->testSuites = $testSuites;
    }
    
    /**
     * @psalm-return list<TestSuite>
     */
    public function asArray() : array {
        return $this->testSuites;
    }
    public function count() : int {
        return count($this->testSuites);
    }
    public function getIterator() : TestSuiteCollectionIterator {
        return new TestSuiteCollectionIterator($this);
    }
    public function isEmpty() : bool {
        return $this->count() === 0;
    }

}