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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\Constraint;
use PHPUnit\Framework\ExpectationFailedException;
use PHPUnit\Framework\TestFailure;
/**
* @small
*/
final class IsNullTest extends ConstraintTestCase
{
public function testConstraintIsNull(): void
{
$constraint = new IsNull;
$this->assertFalse($constraint->evaluate(0, '', true));
$this->assertTrue($constraint->evaluate(null, '', true));
$this->assertEquals('is null', $constraint->toString());
$this->assertCount(1, $constraint);
try {
$constraint->evaluate(0);
} catch (ExpectationFailedException $e) {
$this->assertEquals(
<<<'EOF'
Failed asserting that 0 is null.
EOF
,
TestFailure::exceptionToString($e)
);
return;
}
$this->fail();
}
public function testConstraintIsNull2(): void
{
$constraint = new IsNull;
try {
$constraint->evaluate(0, 'custom message');
} catch (ExpectationFailedException $e) {
$this->assertEquals(
<<<'EOF'
custom message
Failed asserting that 0 is null.
EOF
,
TestFailure::exceptionToString($e)
);
return;
}
$this->fail();
}
}
|
