@Test
public void testAssigningMacWithAllowedDuplicates() throws Exception {
assertThat(rangeOf10Macs.use(MAC_FROM_RANGE, true), is(true));
assertThat(rangeOf10Macs.getAvailableCount(), is(NUMBER_OF_MACS - 1));
assertThat(rangeOf10Macs.use(MAC_FROM_RANGE, true), is(true));
assertThat(rangeOf10Macs.getAvailableCount(), is(NUMBER_OF_MACS - 1));
assertThat(rangeOf10Macs.isAllocated(MAC_FROM_RANGE), is(true));
}
@Test
public void testFreeMacDuplicityAllowed() throws Exception {
// Allocate one mac twice.
assertThat(rangeOf10Macs.use(MAC_FROM_RANGE, true), is(true));
assertThat(rangeOf10Macs.isAllocated(MAC_FROM_RANGE), is(true));
assertThat(rangeOf10Macs.use(MAC_FROM_RANGE, true), is(true));
assertThat(rangeOf10Macs.isAllocated(MAC_FROM_RANGE), is(true));
// Check decreasing of duplicity usage.
rangeOf10Macs.freeMac(MAC_FROM_RANGE);
assertThat(rangeOf10Macs.isAllocated(MAC_FROM_RANGE), is(true));
rangeOf10Macs.freeMac(MAC_FROM_RANGE);
assertThat(rangeOf10Macs.isAllocated(MAC_FROM_RANGE), is(false));
}
private boolean useMac(long mac, boolean allowDuplicates) {
Range range = findIncludingRange(mac);
if (range == null) {
return customMacs.add(mac, allowDuplicates);
} else {
return range.use(mac, allowDuplicates);
}
}
/**
* test that MACs arent returned in leftmost-available order. Instead, we're returning macs from
* left to right, noting last scan position. That means that if we obtain and return mac from/to
* pool, we'll obtain this MAC again only after all other free macs were used.
*/
@Test
public void testOrderOrAcquiredMACs() {
Range range = new Range(0, 5);
List<Integer> usedMacs = Arrays.asList(0, 2, 4);
for (int i = 0; i < 5; i++) {
boolean usedMac = usedMacs.contains(i);
if (usedMac) {
boolean allowDuplicates = false;
range.use(i, allowDuplicates);
}
}
for (Integer expectedUnallocatedMac : Arrays.asList(1, 3, 5, 1, 3, 5, 1)) {
allocateAndFreeMacAndExpectGivenMac(range, expectedUnallocatedMac);
}
}
@Test(expected = IllegalArgumentException.class)
public void testFailWhenUsingMacOutsideOfRange() throws Exception {
rangeOf10Macs.use(MAC_OUTSIDE_OF_RANGE, false);
}