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TestCase for BadConfigurationException in BigInteger

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PCF 2017-09-30 02:46:49 +02:00
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tests/Unit/Math/BigIntegerTest.php Normal file
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<?php
use phpseclib\Math\BigInteger;
use phpseclib\Math\BigInteger\Engines\BCMath;
use phpseclib\Math\BigInteger\Engines\GMP;
use phpseclib\Math\BigInteger\Engines\PHP32;
use phpseclib\Math\BigInteger\Engines\PHP64;
class Unit_Math_BigIntegerTest extends PhpseclibTestCase
{
/**
* @param string $className
* @param bool $isValid
*/
private static function mockEngine($className, $isValid) {
eval(<<<ENGINE
namespace phpseclib\Math\BigInteger\Engines;
class ${className} extends \phpseclib\Math\BigInteger\Engines\Engine {
public function __construct(){}
public static function isValidEngine() { return ${isValid}; }
public static function setModExpEngine(\$engine){}
public function toString() { return __CLASS__; }
}
ENGINE
);
}
public static function provideBadConfigurationException() {
return [
[
GMP::class,
['GMP', true],
],
[
PHP64::class,
['GMP', false],
['PHP64', true],
],
[
BCMath::class,
['GMP', false],
['PHP64', false],
['BCMath', true],
],
[
PHP32::class,
['GMP', false],
['PHP64', false],
['BCMath', false],
['PHP32', true],
],
];
}
/**
* BigInteger should choose another engine if one is not valid
* @dataProvider provideBadConfigurationException
* @runInSeparateProcess mocks must not disturb other tests
*/
public function testBadConfigurationException($expectedClass, ...$engines) {
foreach ($engines as $engine) {
static::mockEngine($engine[0], $engine[1]);
}
$bigint = new BigInteger();
static::assertSame($expectedClass, $bigint->toString());
}
}