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<?php
/*
* 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;
class CallbackTest extends ConstraintTestCase
{
public function callbackReturningTrue()
{
return true;
}
public static function staticCallbackReturningTrue()
{
return true;
}
public function testConstraintCallback()
{
$closureReflect = function ($parameter) {
return $parameter;
};
$closureWithoutParameter = function () {
return true;
};
$constraint = new Callback($closureWithoutParameter);
$this->assertTrue($constraint->evaluate('', '', true));
$constraint = new Callback($closureReflect);
$this->assertTrue($constraint->evaluate(true, '', true));
$this->assertFalse($constraint->evaluate(false, '', true));
$callback = [$this, 'callbackReturningTrue'];
$constraint = new Callback($callback);
$this->assertTrue($constraint->evaluate(false, '', true));
$callback = [self::class, 'staticCallbackReturningTrue'];
$constraint = new Callback($callback);
$this->assertTrue($constraint->evaluate(null, '', true));
$this->assertEquals('is accepted by specified callback', $constraint->toString());
}
public function testConstraintCallbackFailure()
{
$constraint = new Callback(function () {
return false;
});
$this->expectException(ExpectationFailedException::class);
$this->expectExceptionMessage('Failed asserting that \'This fails\' is accepted by specified callback.');
$constraint->evaluate('This fails');
}
}
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