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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Framework;
use function PHPUnit\TestFixture\Generator\f;
use Countable;
use EmptyIterator;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\Attributes\CoversMethod;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\Attributes\Small;
use PHPUnit\Framework\Attributes\TestDox;
#[CoversMethod(Assert::class, 'assertEmpty')]
#[CoversClass(GeneratorNotSupportedException::class)]
#[TestDox('assertEmpty()')]
#[Small]
final class assertEmptyTest extends TestCase
{
/**
* @return non-empty-list<array{0: mixed}>
*/
public static function successProvider(): array
{
return [
[[]],
[''],
[null],
[false],
['0'],
[0],
[new EmptyIterator],
[
new class implements Countable
{
public function count(): int
{
return 0;
}
},
],
];
}
/**
* @return non-empty-list<array{0: mixed}>
*/
public static function failureProvider(): array
{
return [
[[0]],
[true],
['1'],
[
new class implements Countable
{
public function count(): int
{
return 1;
}
},
],
];
}
#[DataProvider('successProvider')]
public function testSucceedsWhenConstraintEvaluatesToTrue(mixed $actual): void
{
$this->assertEmpty($actual);
}
#[DataProvider('failureProvider')]
public function testFailsWhenConstraintEvaluatesToFalse(mixed $actual): void
{
$this->expectException(AssertionFailedError::class);
$this->assertEmpty($actual);
}
public function testDoesNotSupportGenerators(): void
{
$this->expectException(GeneratorNotSupportedException::class);
$this->expectExceptionMessage('Passing an argument of type Generator for the $actual parameter is not supported');
$this->assertEmpty(f());
}
}
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