public void testAddMissing() {
Table<Integer> buf = new Table<Integer>(3, 10, 0);
for (int i : Arrays.asList(1, 2, 4, 5, 6)) buf.add(i, i);
System.out.println("buf = " + buf);
assert buf.size() == 5 && buf.getNumMissing() == 1;
Integer num = buf.remove();
assert num == 1;
num = buf.remove();
assert num == 2;
num = buf.remove();
assert num == null;
buf.add(3, 3);
System.out.println("buf = " + buf);
assert buf.size() == 4 && buf.getNumMissing() == 0;
for (int i = 3; i <= 6; i++) {
num = buf.remove();
System.out.println("buf = " + buf);
assert num == i;
}
num = buf.remove();
assert num == null;
}
public void testAddWithWrapAround() {
Table<Integer> buf = new Table<Integer>(3, 10, 5);
for (int i = 6; i <= 15; i++) assert buf.add(i, i) : "addition of seqno " + i + " failed";
System.out.println("buf = " + buf);
for (int i = 0; i < 3; i++) {
Integer val = buf.remove(false);
System.out.println("removed " + val);
assert val != null;
}
System.out.println("buf = " + buf);
long low = buf.getLow();
buf.purge(8);
System.out.println("buf = " + buf);
assert buf.getLow() == 8;
for (long i = low; i <= 8; i++)
assert buf._get(i) == null : "message with seqno=" + i + " is not null";
for (int i = 16; i <= 18; i++) assert buf.add(i, i);
System.out.println("buf = " + buf);
while (buf.remove(false) != null) ;
System.out.println("buf = " + buf);
assert buf.isEmpty();
assert buf.getNumMissing() == 0;
low = buf.getLow();
buf.purge(18);
assert buf.getLow() == 18;
for (long i = low; i <= 18; i++)
assert buf._get(i) == null : "message with seqno=" + i + " is not null";
}
public void testRemove2() {
final Table<Integer> buf = new Table<Integer>(3, 10, 0);
for (int i : Arrays.asList(1, 2, 3, 4, 5)) buf.add(i, i);
System.out.println("buf = " + buf);
assertIndices(buf, 0, 0, 5);
Integer el = buf.remove(true);
System.out.println("el = " + el);
assert el.equals(1);
el = buf.remove(false); // not encouraged ! nullify should always be true or false
System.out.println("el = " + el);
assert el.equals(2);
el = buf.remove(true);
System.out.println("el = " + el);
assert el.equals(3);
}
public static void testComputeSize2() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
table.add(1, 1);
System.out.println("table = " + table);
assert table.computeSize() == table.size();
assert table.computeSize() == 1;
table.remove(false);
System.out.println("table = " + table);
assert table.computeSize() == table.size();
assert table.computeSize() == 0;
}
public void testCompact2() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 80; i++) addAndGet(table, i);
assert table.size() == 80;
for (long i = 1; i <= 60; i++) table.remove();
assert table.size() == 20;
table.compact();
assert table.size() == 20;
assertCapacity(table.capacity(), table.getNumRows(), 10);
}
public void testPurge2() {
Table<Integer> buf = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 7; i++) {
buf.add(i, i);
buf.remove(false);
}
System.out.println("buf = " + buf);
assert buf.isEmpty();
long low = buf.getLow();
buf.purge(3);
assert buf.getLow() == 3;
for (long i = low; i <= 3; i++)
assert buf._get(i) == null : "message with seqno=" + i + " is not null";
buf.purge(6);
assert buf._get(6) == null;
buf.purge(7);
assert buf._get(7) == null;
assert buf.getLow() == 7;
assert buf.isEmpty();
for (int i = 7; i <= 14; i++) {
buf.add(i, i);
buf.remove(false);
}
System.out.println("buf = " + buf);
assert buf.isEmpty();
low = buf.getLow();
assert low == 7;
buf.purge(12);
System.out.println("buf = " + buf);
assert buf.getLow() == 12;
for (long i = low; i <= 12; i++)
assert buf._get(i) == null : "message with seqno=" + i + " is not null";
}
public void testResizeWithPurge() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 100; i++) addAndGet(table, i);
System.out.println("table: " + table);
// now remove 60 messages
for (int i = 1; i <= 60; i++) {
Integer num = table.remove();
assert num != null && num == i;
}
System.out.println("table after removal of seqno 60: " + table);
table.purge(50);
System.out.println("now triggering a resize() by addition of seqno=120");
addAndGet(table, 120);
}
public static void testPurge() {
Table<Integer> table = new Table<Integer>(5, 10, 0);
for (int seqno = 1; seqno <= 25; seqno++) table.add(seqno, seqno);
int[] seqnos = {30, 31, 32, 37, 38, 39, 40, 41, 42, 47, 48, 49};
for (int seqno : seqnos) table.add(seqno, seqno);
System.out.println("table (before remove):\n" + table.dump());
for (int seqno = 1; seqno <= 22; seqno++) table.remove(false);
System.out.println("\ntable (after remove 22, before purge):\n" + table.dump());
table.purge(22);
System.out.println("\ntable: (after purge 22):\n" + table.dump());
assert table.size() == 3 + seqnos.length;
assert table.computeSize() == table.size();
}
public void testIndex() {
Table<Integer> buf = new Table<Integer>(3, 10, 5);
assert buf.getHighestDelivered() == 5;
assert buf.getHighestReceived() == 5;
buf.add(6, 6);
buf.add(7, 7);
buf.remove(false);
buf.remove(false);
long low = buf.getLow();
assert low == 5;
buf.purge(4);
buf.purge(5);
buf.purge(6);
buf.purge(7);
System.out.println("buf = " + buf);
for (long i = low; i <= 7; i++)
assert buf._get(i) == null : "message with seqno=" + i + " is not null";
}
public static void testRemove() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 9; i++) table.add(i, i);
table.add(20, 20);
System.out.println("table = " + table);
assert table.size() == 10;
assertIndices(table, 0, 0, 20);
int num_null_msgs = table.getNumMissing();
System.out.println("num_null_msgs = " + num_null_msgs);
assert num_null_msgs == 10;
for (long i = 1; i <= 10; i++) // 10 is missing
table.remove();
System.out.println("table = " + table);
assert table.size() == 1;
assertIndices(table, 9, 9, 20);
num_null_msgs = table.getNumMissing();
System.out.println("num_null_msgs = " + num_null_msgs);
assert num_null_msgs == 10;
}
public void testResizeWithPurgeAndGetOfNonExistingElement() {
Table<Integer> table = new Table<Integer>(3, 10, 0);
for (int i = 1; i <= 50; i++) addAndGet(table, i);
System.out.println("table: " + table);
assertIndices(table, 0, 0, 50);
assert table.size() == 50 && table.getNumMissing() == 0;
// now remove 15 messages
for (long i = 1; i <= 15; i++) {
Integer num = table.remove(false);
assert num != null && num == i;
}
System.out.println("table after removal of seqno 15: " + table);
assertIndices(table, 0, 15, 50);
assert table.size() == 35 && table.getNumMissing() == 0;
table.purge(15);
System.out.println("now triggering a resize() by addition of seqno=55");
addAndGet(table, 55);
assertIndices(table, 15, 15, 55);
assert table.size() == 36 && table.getNumMissing() == 4;
// now we have elements 40-49 in row 1 and 55 in row 2:
List<Integer> list = new ArrayList<Integer>(20);
for (int i = 16; i < 50; i++) list.add(i);
list.add(55);
for (long i = table.getOffset(); i < table.capacity() + table.getOffset(); i++) {
Integer num = table._get(i);
if (num != null) {
System.out.println("num=" + num);
list.remove(num);
}
}
System.out.println("table:\n" + table.dump());
assert list.isEmpty() : " list: " + Util.print(list);
}
public static void testGetNullMessages2() {
Table<Integer> table = new Table<Integer>(1, 10, 0);
table.add(1, 1);
table.add(5, 5);
System.out.println("table = " + table);
int num_null_elements = table.getNumMissing();
assert num_null_elements == 3; // [2 .. 4]
table.add(10, 10);
System.out.println("table = " + table);
assert table.size() == 3;
assert table.getNumMissing() == 7;
table.add(14, 14);
System.out.println("table = " + table);
assert table.size() == 4;
assert table.getNumMissing() == 10;
while (table.remove() != null) ;
System.out.println("table = " + table);
assert table.size() == 3;
assert table.getNumMissing() == 10;
}