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|
--TEST--
Random: Randomizer: Engines returning an empty string are detected and rejected
--FILE--
<?php
use Random\Engine;
use Random\Randomizer;
final class EmptyStringEngine implements Engine
{
public function generate(): string
{
// Create a non-interned empty string.
return preg_replace('/./s', '', random_bytes(4));
}
}
function randomizer(): Randomizer
{
return new Randomizer(new EmptyStringEngine());
}
try {
var_dump(randomizer()->getInt(0, 1234));
} catch (Random\BrokenRandomEngineError $e) {
echo $e->getMessage(), PHP_EOL;
}
try {
var_dump(randomizer()->nextInt());
} catch (Random\BrokenRandomEngineError $e) {
echo $e->getMessage(), PHP_EOL;
}
try {
var_dump(bin2hex(randomizer()->getBytes(1)));
} catch (Random\BrokenRandomEngineError $e) {
echo $e->getMessage(), PHP_EOL;
}
try {
var_dump(randomizer()->shuffleArray(range(1, 1234)));
} catch (Random\BrokenRandomEngineError $e) {
echo $e->getMessage(), PHP_EOL;
}
try {
var_dump(randomizer()->pickArrayKeys(range(1, 1234), 1));
} catch (Random\BrokenRandomEngineError $e) {
echo $e->getMessage(), PHP_EOL;
}
try {
var_dump(randomizer()->pickArrayKeys(range(1, 1234), 10));
} catch (Random\BrokenRandomEngineError $e) {
echo $e->getMessage(), PHP_EOL;
}
try {
var_dump(randomizer()->shuffleBytes('foobar'));
} catch (Random\BrokenRandomEngineError $e) {
echo $e->getMessage(), PHP_EOL;
}
try {
var_dump(randomizer()->getBytesFromString('123', 10));
} catch (Random\BrokenRandomEngineError $e) {
echo $e->getMessage(), PHP_EOL;
}
try {
var_dump(randomizer()->getBytesFromString(str_repeat('a', 500), 10));
} catch (Random\BrokenRandomEngineError $e) {
echo $e->getMessage(), PHP_EOL;
}
?>
--EXPECT--
A random engine must return a non-empty string
A random engine must return a non-empty string
A random engine must return a non-empty string
A random engine must return a non-empty string
A random engine must return a non-empty string
A random engine must return a non-empty string
A random engine must return a non-empty string
A random engine must return a non-empty string
A random engine must return a non-empty string
|
