<?php
declare(strict_types=1);
use ParagonIE\HiddenString\HiddenString;
use ParagonIE\ConstantTime\Base64UrlSafe;
use PHPUnit\Framework\TestCase;
final class HiddenStringTest extends TestCase
{
/**
* @throws Exception
* @throws TypeError
*/
public function testEquals()
{
$A = new HiddenString(Base64UrlSafe::encode(random_bytes(32)));
$B = new HiddenString(Base64UrlSafe::encode(random_bytes(32)));
$C = new HiddenString($A->getString());
$D = new HiddenString($B->getString());
$this->assertFalse($A->equals($B));
$this->assertTrue($A->equals($C));
$this->assertFalse($A->equals($D));
$this->assertFalse($B->equals($A));
$this->assertFalse($B->equals($C));
$this->assertTrue($B->equals($D));
$this->assertTrue($C->equals($A));
$this->assertFalse($C->equals($B));
$this->assertFalse($C->equals($D));
$this->assertFalse($D->equals($A));
$this->assertTrue($D->equals($B));
$this->assertFalse($D->equals($C));
}
/**
* @throws Exception
* @throws TypeError
*/
public function testRandomString()
{
$str = Base64UrlSafe::encode(random_bytes(32));
$sets = [
[true, true],
[true, false],
[false, true],
[false, false]
];
foreach ($sets as $set) {
$hidden = new HiddenString($str, $set[0], $set[1]);
ob_start();
var_dump($hidden);
$dump = ob_get_clean();
$this->assertFalse(strpos($dump, $str));
$print = \print_r($hidden, true);
$this->assertFalse(strpos($print, $str));
$cast = (string) $hidden;
if ($set[0]) {
$this->assertFalse(strpos($cast, $str));
} else {
$this->assertNotFalse(strpos($cast, $str));
}
$serial = serialize($hidden);
if ($set[1]) {
$this->assertFalse(strpos($serial, $str));
} else {
$this->assertNotFalse(strpos($serial, $str));
}
}
}
}
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