public function testDecrement()
{
$key1 = 'test';
$key2 = 'test2';
Counter::reset($key1);
Counter::reset($key2);
$this->assertEquals(10, Counter::increment($key1, 10));
$this->assertEquals(10, Counter::increment($key2, 10));
$this->assertEquals(9, Counter::decrement($key1));
$this->assertEquals(8, Counter::decrement($key1));
$this->assertEquals(9, Counter::decrement($key2));
$this->assertEquals(8, Counter::decrement($key2));
$this->assertEquals(6, Counter::decrement($key2, 2));
$this->assertEquals(6, Counter::decrement($key1, 2));
$this->assertEquals(-2, Counter::decrement($key2, 8));
$this->assertEquals(-2, Counter::decrement($key1, 8));
}
