public function testContainsDoesNotImplicitlyCastSimilarValues()
{
$collection = InMemory::fromArray(['1', false]);
$this->assertTrue($collection->contains('1'));
$this->assertTrue($collection->contains(false));
$this->assertFalse($collection->contains(1));
$this->assertFalse($collection->contains(0));
$this->assertFalse($collection->contains(''));
}