/** @throws Exception If failed. */
public void testCompact() throws Exception {
File file = new File(UUID.randomUUID().toString());
X.println("file: " + file.getPath());
FileSwapSpaceSpi.SwapFile f = new FileSwapSpaceSpi.SwapFile(file, 8);
Random rnd = new Random();
ArrayList<FileSwapSpaceSpi.SwapValue> arr = new ArrayList<>();
int size = 0;
for (int a = 0; a < 100; a++) {
FileSwapSpaceSpi.SwapValue[] vals = new FileSwapSpaceSpi.SwapValue[1 + rnd.nextInt(10)];
int size0 = 0;
for (int i = 0; i < vals.length; i++) {
byte[] bytes = new byte[1 + rnd.nextInt(49)];
rnd.nextBytes(bytes);
size0 += bytes.length;
vals[i] = new FileSwapSpaceSpi.SwapValue(bytes);
arr.add(vals[i]);
}
f.write(new FileSwapSpaceSpi.SwapValues(vals, size0), 1);
size += size0;
assertEquals(f.length(), size);
assertEquals(file.length(), size);
}
int i = 0;
for (FileSwapSpaceSpi.SwapValue val : arr) assertEquals(val.idx(), ++i);
i = 0;
for (int cnt = arr.size() / 2; i < cnt; i++) {
FileSwapSpaceSpi.SwapValue v = arr.remove(rnd.nextInt(arr.size()));
assertTrue(f.tryRemove(v.idx(), v));
}
int hash0 = 0;
for (FileSwapSpaceSpi.SwapValue val : arr) hash0 += Arrays.hashCode(val.readValue(f.readCh));
ArrayList<T2<ByteBuffer, ArrayDeque<FileSwapSpaceSpi.SwapValue>>> bufs = new ArrayList();
for (; ; ) {
ArrayDeque<FileSwapSpaceSpi.SwapValue> que = new ArrayDeque<>();
ByteBuffer buf = f.compact(que, 1024);
if (buf == null) break;
bufs.add(new T2(buf, que));
}
f.delete();
int hash1 = 0;
for (FileSwapSpaceSpi.SwapValue val : arr) hash1 += Arrays.hashCode(val.value(null));
assertEquals(hash0, hash1);
File file0 = new File(UUID.randomUUID().toString());
FileSwapSpaceSpi.SwapFile f0 = new FileSwapSpaceSpi.SwapFile(file0, 8);
for (T2<ByteBuffer, ArrayDeque<FileSwapSpaceSpi.SwapValue>> t : bufs)
f0.write(t.get2(), t.get1(), 1);
int hash2 = 0;
for (FileSwapSpaceSpi.SwapValue val : arr) hash2 += Arrays.hashCode(val.readValue(f0.readCh));
assertEquals(hash2, hash1);
}
/** @throws Exception Thrown if test failed. */
public void testA() throws Exception {
Collection<Integer> set = new GridConcurrentWeakHashSet<>();
Integer i = 1;
assert set.add(i);
assert !set.add(i);
assert set.contains(i);
assert set.size() == 1;
Collection<Integer> c = F.asList(2, 3, 4, 5);
assert set.addAll(c);
assert !set.addAll(c);
assert set.containsAll(c);
assert set.size() == 1 + c.size();
assert set.remove(i);
assert !set.remove(i);
assert !set.contains(i);
assert set.size() == c.size();
assert set.removeAll(c);
assert !set.removeAll(c);
assert !set.containsAll(c);
assert set.isEmpty();
Collection<Integer> c1 = Arrays.asList(1, 3, 5, 7, 9);
int cnt = 0;
for (Iterator<Integer> iter = set.iterator(); iter.hasNext(); cnt++) c1.contains(iter.next());
assert set.size() == cnt;
assert set.size() == set.toArray().length;
assert set.addAll(c1);
assert set.retainAll(c);
assert !set.retainAll(c);
Collection<Integer> c2 = F.retain(c1, true, c);
assert set.containsAll(c2);
assert !set.containsAll(c1);
assert !set.containsAll(c);
assert set.size() == c2.size();
set.clear();
assert set.isEmpty();
try {
set.iterator().next();
assert false;
} catch (NoSuchElementException ignored) {
assert true;
}
try {
set.add(null);
assert false;
} catch (NullPointerException ignored) {
assert true;
}
}