public void testChangeTree() {
int OPS = 200;
String PDF = "iiiiiiiiiIdddddduuuuuuuuummmm";
double DIRP = 0.05;
long TSIZE = 5000;
long DSIZE = 20;
double DPROB = 0.1;
double VAR = 5.0;
double DVAR = 2.0;
Log.info(
"Testing ChangeTree by repeatedly making "
+ OPS
+ " random edits on tree of size "
+ TSIZE
+ ". Deleting and the inserting "
+ " another node with the same id is also tested");
Log.info("In reports below, changebuffer is tree 1, facit tree 2");
KeyGen baseKg = KEY_GEN;
int MAX_LAP = 25;
// baseKg = new KeyGen(33777);
for (int lap = 0; lap < MAX_LAP; lap++) {
Log.info(
"Lap " + (lap + 1) + " of " + MAX_LAP + ", keygen at " + (new KeyGen(baseKg)).next());
MutableRefTree dt =
randomDirTree(TSIZE, DSIZE, DPROB, VAR, DVAR, new Random(lap ^ RND_SEED), baseKg);
((RandomDirectoryTree.MutableDirectoryTree) dt).setOrdered(true);
IdAddressableRefTree baseTree = RefTrees.getAddressableTree(treeCopy(dt));
MutableRefTree ct = makeTestTree(baseTree); // new
// ChangeTree(baseTree);
// Log.info("Init test tree");XmlrDebug.dumpTree(dt,System.out);
KeyGen kg = new KeyGen(baseKg);
// RandomDirectoryTree.edstring="\n";
// RandomDirectoryTree._verbose = true;
permutateTree(dt, OPS, PDF, DPROB, new Random(lap ^ RND_SEED), kg);
// Log.info("Editstring for facit is ",RandomDirectoryTree.edstring);
// RandomDirectoryTree.edstring+="------\n";
kg = new KeyGen(baseKg); //
permutateTree(ct, OPS, PDF, DPROB, new Random(lap ^ RND_SEED), kg);
/*
* Log.info("Editstring is ",RandomDirectoryTree.edstring); Log.info("Back tree");
* XmlrDebug.dumpTree(baseTree,System.out); Log.info("Facit tree");
* XmlrDebug.dumpTree(dt,System.out); Log.info("Test tree");
* XmlrDebug.dumpTree(ct,System.out);
*/
// Log.info("Treecmp=",treeComp(dt,baseTree));
Assert.assertTrue(treeComp(ct, dt));
// Check contains() status of nodes
Set<Key> baseSet = buildSet(baseTree.getRoot(), new HashSet<Key>());
Set<Key> newSet = buildSet(dt.getRoot(), new HashSet<Key>());
Set<Key> newSetCt = buildSet(ct.getRoot(), new HashSet<Key>());
Assert.assertEquals("Node sets not equal", newSet, newSetCt);
Set<Key> deletia = new HashSet<Key>(baseSet);
deletia.removeAll(newSet);
for (Key k : newSet) Assert.assertTrue("Missing key in changetree: " + k, ct.contains(k));
for (Key k : deletia)
Assert.assertFalse("Key should be deleted in changetree: " + k, ct.contains(k));
int resurrects = 1;
// RandomDirectoryTree.edstring="\n";
// Log.debug("====> Resurrect phase <==========");
for (Key k : deletia) {
// Log.debug("--FACIT TREE--");
kg = new KeyGen((LongKey) k, 1);
permutateTree(dt, 1, "iI", DPROB, new Random(lap ^ resurrects ^ RND_SEED), kg);
assert dt.contains(k) : "Node did not appear in facit!" + k;
// Log.debug("--TEST TREE--");
kg = new KeyGen((LongKey) k, 1);
permutateTree(ct, 1, "iI", DPROB, new Random(lap ^ resurrects ^ RND_SEED), kg);
Assert.assertTrue("Re-inserted node is missing: " + k, ct.contains(k));
if (--resurrects < 0) break;
}
/*
* Log.debug("Resurrect edits were (edit pairs, <facit,test>)",
* RandomDirectoryTree.edstring); RandomDirectoryTree.edstring=null;
* Log.info("Facit tree"); XmlrDebug.dumpTree(dt,System.out); Log.info("Test tree");
* XmlrDebug.dumpTree(ct,System.out);
*/
Assert.assertTrue("Differing tree after delete resurrect", treeComp(ct, dt));
}
Log.info("Congratulations; you are a spiffy hacker.");
}
public void testChangeTreeIdMap() throws NodeNotFoundException {
// NOTE: This dies at lap 260 with the parameters below in backingTree
// permutation, with a TreeSet.last() NoSuchElementException, which is
// weird, since the tested sets should be nonempty... maybe a Java
// TreeSet bug?
int OPS = 1;
String PDF = "iiiiiiiiiIIIIIdddddduuuuuuuuummmm";
long TSIZE = 5000;
long DSIZE = 5;
double DPROB = 0.01;
double VAR = 5.0;
double DVAR = 2.0;
Log.info("In reports below, changebuffer is tree 1, facit tree 2");
KeyGen baseKg = KEY_GEN;
int MAX_LAP = 25;
MutableRefTree bt = null;
long startKey = -1l;
for (int lap = 0; lap < MAX_LAP; lap++) {
Log.info("Lap " + (lap + 1) + " of " + MAX_LAP);
if (lap % 4 == 0) {
startKey = 1000000000l;
bt =
randomDirTree(
TSIZE, DSIZE, DPROB, VAR, DVAR, new Random(1 ^ RND_SEED), new KeyGen(0l) {});
((RandomDirectoryTree.MutableDirectoryTree) bt).setOrdered(true);
} else {
startKey += 1000000l;
}
IdAddressableRefTree baseTree = RefTrees.getAddressableTree(treeCopy(bt));
ChangeBuffer dt =
new ChangeBuffer(
baseTree,
new KeyMap() {
public Key getBackKey(Key fk) {
return fk == null
? null
: new LongKey(Long.parseLong(((StringKey) fk).toString()));
}
public Key getFrontKey(Key bk) {
return bk == null ? null : StringKey.createKey(((LongKey) bk).id);
}
});
checkKeyType(dt.getRoot(), StringKey.class);
// Log.debug("====> Permutate of backtree <==========");
permutateTreeStringOrder(
bt, OPS + lap, PDF, DPROB, new Random(lap ^ RND_SEED), new KeyGen(startKey) {});
// RandomDirectoryTree.edstring="";
// Log.debug("====> Permutate of changeTree <==========");
permutateTreeStringOrder(
dt,
OPS + lap,
PDF,
DPROB,
new Random(lap ^ RND_SEED),
new KeyGen(startKey) {
@Override
public Key next() {
assert id < max;
return new StringKey(String.valueOf(id++));
}
});
// Log.debug("Changetree edit string is",RandomDirectoryTree.edstring);
// RandomDirectoryTree.edstring="";
// Log.debug("Backtree edit string is",RandomDirectoryTree.edstring);
// Log.debug("====> Permutate DONE <==========");
checkKeyType(dt.getRoot(), StringKey.class);
Set<Key> randomNodes = new HashSet<Key>();
randomSelection(dt.getRoot(), randomNodes, 10, new Random(lap ^ RND_SEED));
// Check return key type for random access pattern
// Log.debug("Random id selection", randomNodes);
for (Key k : randomNodes)
Assert.assertEquals(dt.getNode(k).getId().getClass(), StringKey.class);
/*
* System.out.println("Initial Tree"); XmlrDebug.dumpTree(baseTree,System.out);
* System.out.println("Facit Tree"); XmlrDebug.dumpTree(bt,System.out);
* System.out.println("Tested Tree"); XmlrDebug.dumpTree(dt,System.out);
* System.out.flush();
*/
Assert.assertEquals(
0,
XmlrDebug.treeComp(
bt.getRoot(),
dt.getRoot(),
new LongKeyDestMap(),
0,
CompareUtil.AS_STRINGS,
true,
true));
dt.reset();
Assert.assertEquals(
0,
XmlrDebug.treeComp(
baseTree.getRoot(),
dt.getRoot(),
new LongKeyDestMap(),
0,
CompareUtil.AS_STRINGS,
true,
true));
}
}