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56 lines
1.5 KiB
PHP
56 lines
1.5 KiB
PHP
<?php
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/**
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* @author Andreas Fischer <bantu@phpbb.com>
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* @copyright 2014 Andreas Fischer
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* @license http://www.opensource.org/licenses/mit-license.html MIT License
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*/
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use phpseclib\Crypt\Random;
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class Unit_Crypt_RandomTest extends PhpseclibTestCase
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{
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public function stringLengthData()
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{
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return array_map([$this, 'wrap'], [
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 17, 19, 20, 23, 29, 31, 37,
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41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 111, 128, 1000,
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1024, 10000, 12345, 100000, 123456
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]);
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}
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/** @dataProvider stringLengthData */
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public function testStringLength($length)
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{
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$this->assertSame(
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$length,
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strlen(Random::string($length)),
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'Failed asserting that a string of expected length was generated.'
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);
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}
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/**
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* Takes a set of random values of length 128 bits and asserts all taken
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* values are unique.
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*/
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public function testStringUniqueness()
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{
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$values = [];
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for ($i = 0; $i < 10000; ++$i) {
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$rand = Random::string(16);
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$this->assertSame(16, strlen($rand));
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$this->assertArrayNotHasKey(
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$rand,
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$values,
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'Failed asserting that generated value does not exist in set.'
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);
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$values[$rand] = true;
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}
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}
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protected function wrap($x)
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{
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// array() is not a function, but $this->wrap() is.
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return [$x];
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}
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}
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