public void testFreeAllocation() {
HandleDataStore hds = new HandleDataStore();
allocate(hds, 1);
allocate(hds, 3);
allocate(hds, 2);
allocate(hds, 10);
allocate(hds, 100);
allocate(hds, 1000);
deallocate(hds, 100);
deallocate(hds, 1);
deallocate(hds, 1000);
allocate(hds, 1003);
allocate(hds, 1000);
int h = hds.preallocate();
assertEquals(0, hds.allocate(h));
hds.deallocate(h, true);
h = hds.allocate();
hds.deallocate(h);
int[] right = new int[] {3, 2, 10, 1003, 1000};
h = hds.first();
int pos = 0;
do {
assertEquals(right[pos++], h);
h = hds.next(h);
} while (h != 0 && pos < right.length);
assertEquals(0, h);
assertEquals(right.length, pos);
}
private void allocate(HandleDataStore hds, int handle) {
assertTrue(hds.allocate(handle) != 0);
assertTrue(hds.isAllocated(handle));
}
private void deallocate(HandleDataStore hds, int handle) {
hds.deallocate(handle);
assertTrue(!hds.isAllocated(handle));
}
public void testDefaultAllocation() {
HandleDataStore hds = new HandleDataStore();
int i = 1;
for (; i <= 10000; i++) {
int handle = hds.allocate();
assertEquals(i, handle);
}
assertEquals(i - 1, hds.size());
assertEquals(i - 1, hds.last());
assertEquals(1, hds.first());
int handle = hds.first();
assertTrue(hds.isAllocated(handle));
for (i = 2; i <= 10000; i++) {
assertEquals(i, handle = hds.next(handle));
assertTrue(hds.isAllocated(handle));
}
assertEquals(0, handle = hds.next(handle));
assertTrue(!hds.isAllocated(handle));
handle = hds.last();
assertTrue(hds.isAllocated(handle));
for (i = 10000 - 1; i > 0; i--) {
assertEquals(i, handle = hds.previous(handle));
assertTrue(hds.isAllocated(handle));
}
assertEquals(0, handle = hds.previous(handle));
assertTrue(!hds.isAllocated(handle));
}