function testLeaders()
{
$leaderboard = new Leaderboard('leaderboard');
for ($i = 1; $i <= Leaderboard::DEFAULT_PAGE_SIZE + 1; $i++) {
$leaderboard->addMember("member_{$i}", $i);
}
$leaders = $leaderboard->leaders(1);
$this->assertEquals(Leaderboard::DEFAULT_PAGE_SIZE, count($leaders));
$this->assertEquals('member_26', $leaders[0]['member']);
$this->assertEquals(26, $leaders[0]['score']);
$this->assertEquals(1, $leaders[0]['rank']);
$leaders = $leaderboard->leaders(2);
$this->assertEquals(1, count($leaders));
$this->assertEquals('member_1', $leaders[0]['member']);
$this->assertEquals(1, $leaders[0]['score']);
$this->assertEquals(26, $leaders[0]['rank']);
}