/**
* @coversNothing
*/
public function test_trait()
{
$traits = getAllTraits(new \ReflectionClass(exception::class));
self::assertContains(P\ClosedTrait::class, $traits);
self::assertContains(P\ImmutableConstructorTrait::class, $traits);
}
public function test_closed_trait()
{
$traits = getAllTraits(new \ReflectionClass(testSubject::class));
self::assertTrue(false !== array_search(ClosedTrait::class, $traits), 'should be closed');
}