phpseclib/tests/Unit/Math/BigIntegerTest.php
2022-05-10 23:08:46 -05:00

79 lines
2.1 KiB
PHP

<?php
namespace phpseclib3\Tests\Unit\Math;
use phpseclib3\Math\BigInteger;
use phpseclib3\Math\BigInteger\Engines\BCMath;
use phpseclib3\Math\BigInteger\Engines\GMP;
use phpseclib3\Math\BigInteger\Engines\PHP32;
use phpseclib3\Math\BigInteger\Engines\PHP64;
use phpseclib3\Tests\PhpseclibTestCase;
class BigIntegerTest extends PhpseclibTestCase
{
/**
* @param string $className
* @param bool $isValid
*/
private static function mockEngine($className, $isValid)
{
eval(<<<ENGINE
namespace phpseclib3\Math\BigInteger\Engines;
class $className extends \phpseclib3\Math\BigInteger\Engines\Engine {
public function __construct(){}
public static function isValidEngine() { return $isValid; }
public static function setModExpEngine(\$engine){}
public function toString() { return __CLASS__; }
}
ENGINE
);
}
public static function provideBadConfigurationException()
{
return [
[
GMP::class,
['GMP', true],
],
[
PHP64::class,
['GMP', false],
['PHP64', true],
],
[
BCMath::class,
['GMP', false],
['PHP64', false],
['BCMath', true],
],
[
PHP32::class,
['GMP', false],
['PHP64', false],
['BCMath', false],
['PHP32', true],
],
];
}
/**
* BigInteger should choose another engine if one is not valid
* @dataProvider provideBadConfigurationException
* @preserveGlobalState disabled
* @runInSeparateProcess mocks must not disturb other tests
* @param string $expectedEngineClass
* @param array[] ...$engines
*/
public function testBadConfigurationException($expectedEngineClass, array ...$engines)
{
foreach ($engines as $engine) {
static::mockEngine($engine[0], $engine[1]);
}
$bigint = new BigInteger();
static::assertSame($expectedEngineClass, $bigint->toString());
}
}