@Test
public void testSetGet() {
long seed = System.currentTimeMillis() + System.nanoTime();
Map<Integer, Integer> values = new HashMap<Integer, Integer>();
Random r = new Random(seed);
for (int i = 0; i < 30000; i++) {
int val = r.nextInt();
int addr = r.nextInt(Machine.ADDRESS_SPACE_SIZE);
m.set(addr, val);
values.put(addr, val);
}
r = new Random(seed);
for (int i = 0; i < 30000; i++) {
r.nextInt();
int addr = r.nextInt(Machine.ADDRESS_SPACE_SIZE);
assertEquals((int) values.get(addr), m.get(addr));
}
for (int i = 0; i < 30000; i++) {
int addr = r.nextInt(Machine.ADDRESS_SPACE_SIZE);
if (values.containsKey(addr)) assertEquals((int) values.get(addr), m.get(addr));
else assertEquals(0, m.get(addr));
}
}
@Test
public void testInitiallyBlank() {
Random r = new Random();
for (int i = 0; i < 1000; i++) {
int addr = r.nextInt(Machine.ADDRESS_SPACE_SIZE);
assertEquals(0, m.get(addr));
}
}
