public function testIsNext()
{
$first = new BlockIndex(new Buffer('aa', 32), 0, 0, new BlockHeader(0, new Buffer('', 32), new Buffer('', 32), 0, new Buffer(), 0));
$nextGood = new BlockIndex(new Buffer('bb'), 1, 0, new BlockHeader(0, new Buffer('aa', 32), new Buffer('', 32), 0, new Buffer(), 0));
$nextBadHeight = new BlockIndex(Buffer::hex('bc', 32), 222, 0, new BlockHeader(0, new Buffer('aa', 32), new Buffer('', 32), 0, new Buffer(), 0));
$nextBadHash = new BlockIndex(Buffer::hex('bd', 32), 1, 0, new BlockHeader(0, new Buffer('22', 32), new Buffer('', 32), 0, new Buffer(), 0));
$this->assertFalse($first->isNext($nextBadHash));
$this->assertFalse($first->isNext($nextBadHeight));
$this->assertTrue($first->isNext($nextGood));
}
