int main (int argc, char *argv[])
{
int i;
Item it;
Queue q1,q2;
printf("Test 1: Create queues\n");
q1 = createQueue();
q2 = createQueue();
assert(q1 != NULL);
assert(q2 != NULL);
assert(queueLength(q1) == 0);
assert(queueLength(q2) == 0);
printf("Passed\n");
printf("Test 2: Add to queues\n");
for (i = 1; i <= MAX; i++) {
enterQueue(q2,i);
enterQueue(q1,i);
assert(queueLength(q2) == i);
assert(queueLength(q1) == i);
}
printf("Final q1: ");
showQueue(q1);
printf("Final q2: ");
showQueue(q2);
printf("Passed\n");
printf("Test 3: Remove from queues\n");
for (i = 1; i <= MAX; i++) {
it = leaveQueue(q1);
assert(queueLength(q1) == MAX-i);
assert(i == it);
it = leaveQueue(q2);
assert(queueLength(q2) == MAX-i);
assert(i == it);
}
printf("Passed\n");
printf("Test 4: Destroy queues\n");
dropQueue(q1);
dropQueue(q2);
printf("Passed\n");
printf("Test 5: Remove from emoty queue\n");
printf("This test should fail an assertion\n");
q1 = createQueue();
it = leaveQueue(q1);
printf("Passed\n");
return 0;
}
int main (int argc, char *argv[]){
Queue q = newQueue();
assert(queueEmpty(q));
queueJoin(q, 5);
queueJoin(q, 8);
queueJoin(q, 3);
queueJoin(q, 9);
queueJoin(q, 2);
printQueue(q);
assert(!queueEmpty(q));
assert(queueLeave(q) == 5);
assert(queueLeave(q) == 8);
assert(queueLeave(q) == 3);
assert(queueLeave(q) == 9);
assert(queueLeave(q) == 2);
assert(queueEmpty(q));
dropQueue(q);
return EXIT_SUCCESS;
}
// road rail and sea are flags, TRUE or FALSE (const)
LocationID * connectedLocations(HunterView currentView, int * numLocations, LocationID from,
PlayerID player, Round round, int road, int rail, int sea) {
assert(from >= 0);
int i, j;
int isConnected[NUM_MAP_LOCATIONS];
int numIsConnected = 0;
int railTravelLength = (round + player) % 4;
for (i = 0; i < NUM_MAP_LOCATIONS; i++) {
// long if statement which essentially says:
// if want road, and connected by road,
// or want rail, and allowed to use rail, and connected by rail,
// or want sea, and connected by sea.
if ((road && (currentView->map[from][i] == ROAD || currentView->map[from][i] == BOTH))
|| (rail && player != PLAYER_DRACULA && railTravelLength > 0 &&
(currentView->map[from][i] == RAIL || currentView->map[from][i] == BOTH))
|| (sea && currentView->map[from][i] == SEA)) {
isConnected[i] = TRUE;
numIsConnected++;
} else {
isConnected[i] = FALSE;
}
}
// adds "from" here to avoid being overwritten by above code
// doing this saves putting extra checks in above code
if (!isConnected[from]) {
isConnected[from] = TRUE;
numIsConnected++;
}
// BFS for finding rail travel connections
// if railTravelLength is 1, already checked above to avoid unnecessary BFS
if (rail && player != PLAYER_DRACULA && railTravelLength > 1) {
Queue q = newQueue();
int distance[NUM_MAP_LOCATIONS];
for (i = 0; i < NUM_MAP_LOCATIONS; i++) {
distance[i] = -1;
}
distance[from] = 0;
QueueJoin(q, from);
while (!QueueIsEmpty(q)) {
LocationID l = QueueLeave(q);
if (distance[l] >= railTravelLength) {
break; // already searched deep enough
}
for (i = 0; i < NUM_MAP_LOCATIONS; i++) {
if (distance[i] == -1 && (currentView->map[l][i] == RAIL || currentView->map[l][i] == BOTH)) {
distance[i] = 1 + distance[l];
QueueJoin(q, i);
}
}
}
dropQueue(q);
for (i = 0; i < NUM_MAP_LOCATIONS; i++) {
if (distance[i] >= 0 && distance[i] <= railTravelLength && !isConnected[i]) {
isConnected[i] = TRUE;
numIsConnected++;
}
}
}
// Copy any reached location into new array to return
LocationID * connections = malloc(sizeof(LocationID) * numIsConnected);
*numLocations = numIsConnected;
i = 0;
for (j = 0; j < NUM_MAP_LOCATIONS; j++) {
if (isConnected[j]) {
connections[i] = j;
i++;
}
}
assert(i == numIsConnected); // will fail if numIsConnected was miscalculated
return connections;
}