Ejemplo n.º 1
0
int main(int argc, char* argv[]) {
  LRUCache<3> c;
  cout << "c.Insert(1, 1)" << endl;
  c.Insert(1, 1);
  cout << "c.Insert(1, 10)" << endl;
  c.Insert(1, 10);
  int val;
  cout << "c.Lookup(2, val)" << endl;
  assert(!c.Lookup(2, &val));
  cout << "c.Lookup(1, val)" << endl;
  assert(c.Lookup(1, &val));
  assert(val == 1);
  c.Erase(1);
  assert(!c.Lookup(1, &val));
  c.Insert(2, 2);
  c.Insert(3, 3);
  c.Insert(4, 4);
  c.Insert(5, 5);
  assert(!c.Lookup(1, &val));
  return 0;
}
Ejemplo n.º 2
0
void testLRUCache()
{
	int i;
	LRUCache c;

	int t[100];
	for (i = 0; i < 100; ++i) t[i] = 1000+i;
	char* k[100];
	for (i = 0; i < 100; ++i) {
		k[i] = new char[5];
		sprintf(k[i], "k%03d", i);
	}

	bool r;
	void* p;
	const char* k2;

	r = c.Lookup("k050", p);
	assert(!r);

	c.SetAt("k050", &t[50]);
	r = c.Lookup("k050", p);
	assert(r);
	assert(p == &t[50]);

	for (i = 0; i < 100; ++i)
		c.SetAt(k[i], &t[i]);

	r = c.getLRU(0, k2, p);
	assert(r);
	assert(strcmp(k2, "k000") == 0);
	assert(p == &t[0]);

	c.Touch("k000");
	r = c.getLRU(0, k2, p);
	assert(r);
	assert(strcmp(k2, "k001") == 0);
	assert(p == &t[1]);

	r = c.getLRU(1, k2, p);
	assert(r);
	assert(strcmp(k2, "k002") == 0);
	assert(p == &t[2]);

	c.Remove("k001");

	r = c.getLRU(0, k2, p);
	assert(r);
	assert(strcmp(k2, "k002") == 0);
	assert(p == &t[2]);

	for (i = 0; i < 98; ++i) {
		r = c.getLRU(0, k2, p);
		assert(r);
		assert(strcmp(k2, k[2+i]) == 0);
		assert(p == &t[2+i]);
		c.Remove(k2);
	}

	assert(c.GetCount() == 1);

	r = c.getLRU(0, k2, p);
	assert(r);
	assert(strcmp(k2, "k000") == 0);
	assert(p == &t[0]);

	assert(!c.getLRU(1, k2, p));
}