<?php
namespace ParagonIE\Blakechain\UnitTests;
use ParagonIE\Blakechain\{
Blakechain,
Node,
Verifier
};
use PHPUnit\Framework\TestCase;
/**
* Class VerifierTest
* @package ParagonIE\Blakechain\UnitTests
*/
class VerifierTest extends TestCase
{
/**
* @covers Verifier::verifyLastHash()
*/
public function testVerifyLastHash()
{
$verifier = new Verifier;
$chainA = new Blakechain(
new Node('abcdef'),
new Node('abcdefg'),
new Node('abcdefh'),
new Node('abcde'),
new Node('abcdefj')
);
$this->assertTrue(
$verifier->verifyLastHash($chainA, $chainA->getLastHash())
);
$chainB = clone $chainA;
$chainB->appendData('');
$this->assertFalse(
$verifier->verifyLastHash($chainB, $chainA->getLastHash())
);
}
}
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