/home/techb158/ileadtechnology.com/vendor/sebastian/type/tests/unit
Edit: /home/techb158/ileadtechnology.com/vendor/sebastian/type/tests/unit/NullTypeTest.php (1715B)
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Type;
use PHPUnit\Framework\TestCase;
/**
* @covers \SebastianBergmann\Type\NullType
*/
final class NullTypeTest extends TestCase
{
/**
* @var NullType
*/
private $type;
protected function setUp(): void
{
$this->type = new NullType;
}
/**
* @dataProvider assignableTypes
*/
public function testIsAssignable(Type $assignableType): void
{
$this->assertTrue($this->type->isAssignable($assignableType));
}
public function assignableTypes(): array
{
return [
[new SimpleType('int', false)],
[new SimpleType('int', true)],
[new ObjectType(TypeName::fromQualifiedName(self::class), false)],
[new ObjectType(TypeName::fromQualifiedName(self::class), true)],
[new UnknownType],
];
}
/**
* @dataProvider notAssignable
*/
public function testIsNotAssignable(Type $assignedType): void
{
$this->assertFalse($this->type->isAssignable($assignedType));
}
public function notAssignable(): array
{
return [
'void' => [new VoidType],
];
}
public function testAllowsNull(): void
{
$this->assertTrue($this->type->allowsNull());
}
public function testCanGenerateReturnTypeDeclaration(): void
{
$this->assertEquals('', $this->type->getReturnTypeDeclaration());
}
}