public virtual void Test()
{
int[] ints = new int[7];
IntsRef input = new IntsRef(ints, 0, ints.Length);
int seed = Random().Next();
Directory dir = new MMapDirectory(CreateTempDir("2BFST"));
for (int doPackIter = 0; doPackIter < 2; doPackIter++)
{
bool doPack = doPackIter == 1;
// Build FST w/ NoOutputs and stop when nodeCount > 2.2B
if (!doPack)
{
Console.WriteLine("\nTEST: 3B nodes; doPack=false output=NO_OUTPUTS");
Outputs <object> outputs = NoOutputs.Singleton;
object NO_OUTPUT = outputs.NoOutput;
Builder <object> b = new Builder <object>(FST.INPUT_TYPE.BYTE1, 0, 0, true, true, int.MaxValue, outputs, null, doPack, PackedInts.COMPACT, true, 15);
int count = 0;
Random r = new Random(seed);
int[] ints2 = new int[200];
IntsRef input2 = new IntsRef(ints2, 0, ints2.Length);
while (true)
{
//System.out.println("add: " + input + " -> " + output);
for (int i = 10; i < ints2.Length; i++)
{
ints2[i] = r.Next(256);
}
b.Add(input2, NO_OUTPUT);
count++;
if (count % 100000 == 0)
{
Console.WriteLine(count + ": " + b.FstSizeInBytes() + " bytes; " + b.TotStateCount + " nodes");
}
if (b.TotStateCount > int.MaxValue + 100L * 1024 * 1024)
{
break;
}
NextInput(r, ints2);
}
FST <object> fst = b.Finish();
for (int verify = 0; verify < 2; verify++)
{
Console.WriteLine("\nTEST: now verify [fst size=" + fst.SizeInBytes() + "; nodeCount=" + fst.NodeCount + "; arcCount=" + fst.ArcCount + "]");
Arrays.Fill(ints2, 0);
r = new Random(seed);
for (int i = 0; i < count; i++)
{
if (i % 1000000 == 0)
{
Console.WriteLine(i + "...: ");
}
for (int j = 10; j < ints2.Length; j++)
{
ints2[j] = r.Next(256);
}
Assert.AreEqual(NO_OUTPUT, Util.Get(fst, input2));
NextInput(r, ints2);
}
Console.WriteLine("\nTEST: enum all input/outputs");
IntsRefFSTEnum <object> fstEnum = new IntsRefFSTEnum <object>(fst);
Arrays.Fill(ints2, 0);
r = new Random(seed);
int upto = 0;
while (true)
{
IntsRefFSTEnum.InputOutput <object> pair = fstEnum.Next();
if (pair == null)
{
break;
}
for (int j = 10; j < ints2.Length; j++)
{
ints2[j] = r.Next(256);
}
Assert.AreEqual(input2, pair.Input);
Assert.AreEqual(NO_OUTPUT, pair.Output);
upto++;
NextInput(r, ints2);
}
Assert.AreEqual(count, upto);
if (verify == 0)
{
Console.WriteLine("\nTEST: save/load FST and re-verify");
IndexOutput @out = dir.CreateOutput("fst", IOContext.DEFAULT);
fst.Save(@out);
@out.Dispose();
IndexInput @in = dir.OpenInput("fst", IOContext.DEFAULT);
fst = new FST <object>(@in, outputs);
@in.Dispose();
}
else
{
dir.DeleteFile("fst");
}
}
}
// Build FST w/ ByteSequenceOutputs and stop when FST
// size = 3GB
{
Console.WriteLine("\nTEST: 3 GB size; doPack=" + doPack + " outputs=bytes");
Outputs <BytesRef> outputs = ByteSequenceOutputs.Singleton;
Builder <BytesRef> b = new Builder <BytesRef>(FST.INPUT_TYPE.BYTE1, 0, 0, true, true, int.MaxValue, outputs, null, doPack, PackedInts.COMPACT, true, 15);
var outputBytes = new byte[20];
BytesRef output = new BytesRef(outputBytes);
Arrays.Fill(ints, 0);
int count = 0;
Random r = new Random(seed);
while (true)
{
r.NextBytes(outputBytes);
//System.out.println("add: " + input + " -> " + output);
b.Add(input, BytesRef.DeepCopyOf(output));
count++;
if (count % 1000000 == 0)
{
Console.WriteLine(count + "...: " + b.FstSizeInBytes() + " bytes");
}
if (b.FstSizeInBytes() > LIMIT)
{
break;
}
NextInput(r, ints);
}
FST <BytesRef> fst = b.Finish();
for (int verify = 0; verify < 2; verify++)
{
Console.WriteLine("\nTEST: now verify [fst size=" + fst.SizeInBytes() + "; nodeCount=" + fst.NodeCount + "; arcCount=" + fst.ArcCount + "]");
r = new Random(seed);
Arrays.Fill(ints, 0);
for (int i = 0; i < count; i++)
{
if (i % 1000000 == 0)
{
Console.WriteLine(i + "...: ");
}
r.NextBytes((byte[])(Array)outputBytes);
Assert.AreEqual(output, Util.Get(fst, input));
NextInput(r, ints);
}
Console.WriteLine("\nTEST: enum all input/outputs");
IntsRefFSTEnum <BytesRef> fstEnum = new IntsRefFSTEnum <BytesRef>(fst);
Arrays.Fill(ints, 0);
r = new Random(seed);
int upto = 0;
while (true)
{
IntsRefFSTEnum.InputOutput <BytesRef> pair = fstEnum.Next();
if (pair == null)
{
break;
}
Assert.AreEqual(input, pair.Input);
r.NextBytes((byte[])(Array)outputBytes);
Assert.AreEqual(output, pair.Output);
upto++;
NextInput(r, ints);
}
Assert.AreEqual(count, upto);
if (verify == 0)
{
Console.WriteLine("\nTEST: save/load FST and re-verify");
IndexOutput @out = dir.CreateOutput("fst", IOContext.DEFAULT);
fst.Save(@out);
@out.Dispose();
IndexInput @in = dir.OpenInput("fst", IOContext.DEFAULT);
fst = new FST <BytesRef>(@in, outputs);
@in.Dispose();
}
else
{
dir.DeleteFile("fst");
}
}
}
// Build FST w/ PositiveIntOutputs and stop when FST
// size = 3GB
{
Console.WriteLine("\nTEST: 3 GB size; doPack=" + doPack + " outputs=long");
Outputs <long?> outputs = PositiveIntOutputs.Singleton;
Builder <long?> b = new Builder <long?>(FST.INPUT_TYPE.BYTE1, 0, 0, true, true, int.MaxValue, outputs, null, doPack, PackedInts.COMPACT, true, 15);
long output = 1;
Arrays.Fill(ints, 0);
int count = 0;
Random r = new Random(seed);
while (true)
{
//System.out.println("add: " + input + " -> " + output);
b.Add(input, output);
output += 1 + r.Next(10);
count++;
if (count % 1000000 == 0)
{
Console.WriteLine(count + "...: " + b.FstSizeInBytes() + " bytes");
}
if (b.FstSizeInBytes() > LIMIT)
{
break;
}
NextInput(r, ints);
}
FST <long?> fst = b.Finish();
for (int verify = 0; verify < 2; verify++)
{
Console.WriteLine("\nTEST: now verify [fst size=" + fst.SizeInBytes() + "; nodeCount=" + fst.NodeCount + "; arcCount=" + fst.ArcCount + "]");
Arrays.Fill(ints, 0);
output = 1;
r = new Random(seed);
for (int i = 0; i < count; i++)
{
if (i % 1000000 == 0)
{
Console.WriteLine(i + "...: ");
}
// forward lookup:
Assert.AreEqual(output, (long)Util.Get(fst, input));
// reverse lookup:
Assert.AreEqual(input, Util.GetByOutput(fst, output));
output += 1 + r.Next(10);
NextInput(r, ints);
}
Console.WriteLine("\nTEST: enum all input/outputs");
IntsRefFSTEnum <long?> fstEnum = new IntsRefFSTEnum <long?>(fst);
Arrays.Fill(ints, 0);
r = new Random(seed);
int upto = 0;
output = 1;
while (true)
{
IntsRefFSTEnum.InputOutput <long?> pair = fstEnum.Next();
if (pair == null)
{
break;
}
Assert.AreEqual(input, pair.Input);
Assert.AreEqual(output, pair.Output.Value);
output += 1 + r.Next(10);
upto++;
NextInput(r, ints);
}
Assert.AreEqual(count, upto);
if (verify == 0)
{
Console.WriteLine("\nTEST: save/load FST and re-verify");
IndexOutput @out = dir.CreateOutput("fst", IOContext.DEFAULT);
fst.Save(@out);
@out.Dispose();
IndexInput @in = dir.OpenInput("fst", IOContext.DEFAULT);
fst = new FST <long?>(@in, outputs);
@in.Dispose();
}
else
{
dir.DeleteFile("fst");
}
}
}
}
dir.Dispose();
}
// FST is complete
private void VerifyUnPruned(int inputMode, FST <T> fst)
{
FST <long?> fstLong;
ISet <long?> validOutputs;
long minLong = long.MaxValue;
long maxLong = long.MinValue;
if (DoReverseLookup)
{
FST <long?> fstLong0 = fst as FST <long?>;
fstLong = fstLong0;
validOutputs = new HashSet <long?>();
foreach (InputOutput <T> pair in Pairs)
{
long?output = pair.Output as long?;
maxLong = Math.Max(maxLong, output.Value);
minLong = Math.Min(minLong, output.Value);
validOutputs.Add(output.Value);
}
}
else
{
fstLong = null;
validOutputs = null;
}
if (Pairs.Count == 0)
{
Assert.IsNull(fst);
return;
}
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine("TEST: now verify " + Pairs.Count + " terms");
foreach (InputOutput <T> pair in Pairs)
{
Assert.IsNotNull(pair);
Assert.IsNotNull(pair.Input);
Assert.IsNotNull(pair.Output);
Console.WriteLine(" " + InputToString(inputMode, pair.Input) + ": " + Outputs.OutputToString(pair.Output));
}
}
Assert.IsNotNull(fst);
// visit valid pairs in order -- make sure all words
// are accepted, and FSTEnum's next() steps through
// them correctly
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine("TEST: check valid terms/next()");
}
{
IntsRefFSTEnum <T> fstEnum = new IntsRefFSTEnum <T>(fst);
foreach (InputOutput <T> pair in Pairs)
{
IntsRef term = pair.Input;
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine("TEST: check term=" + InputToString(inputMode, term) + " output=" + fst.Outputs.OutputToString(pair.Output));
}
T output = Run(fst, term, null);
Assert.IsNotNull(output, "term " + InputToString(inputMode, term) + " is not accepted");
Assert.IsTrue(OutputsEqual(pair.Output, output));
// verify enum's next
IntsRefFSTEnum.InputOutput <T> t = fstEnum.Next();
Assert.IsNotNull(t);
Assert.AreEqual(term, t.Input, "expected input=" + InputToString(inputMode, term) + " but fstEnum returned " + InputToString(inputMode, t.Input));
Assert.IsTrue(OutputsEqual(pair.Output, t.Output));
}
Assert.IsNull(fstEnum.Next());
}
IDictionary <IntsRef, T> termsMap = new Dictionary <IntsRef, T>();
foreach (InputOutput <T> pair in Pairs)
{
termsMap[pair.Input] = pair.Output;
}
if (DoReverseLookup && maxLong > minLong)
{
// Do random lookups so we test null (output doesn't
// exist) case:
Assert.IsNull(Util.GetByOutput(fstLong, minLong - 7));
Assert.IsNull(Util.GetByOutput(fstLong, maxLong + 7));
int num = LuceneTestCase.AtLeast(Random, 100);
for (int iter = 0; iter < num; iter++)
{
long v = TestUtil.NextLong(Random, minLong, maxLong);
IntsRef input = Util.GetByOutput(fstLong, v);
Assert.IsTrue(validOutputs.Contains(v) || input == null);
}
}
// find random matching word and make sure it's valid
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine("TEST: verify random accepted terms");
}
IntsRef scratch = new IntsRef(10);
int num_ = LuceneTestCase.AtLeast(Random, 500);
for (int iter = 0; iter < num_; iter++)
{
T output = RandomAcceptedWord(fst, scratch);
Assert.IsTrue(termsMap.ContainsKey(scratch), "accepted word " + InputToString(inputMode, scratch) + " is not valid");
Assert.IsTrue(OutputsEqual(termsMap[scratch], output));
if (DoReverseLookup)
{
//System.out.println("lookup output=" + output + " outs=" + fst.Outputs);
IntsRef input = Util.GetByOutput(fstLong, (output as long?).Value);
Assert.IsNotNull(input);
//System.out.println(" got " + Util.toBytesRef(input, new BytesRef()).utf8ToString());
Assert.AreEqual(scratch, input);
}
}
// test IntsRefFSTEnum.Seek:
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine("TEST: verify seek");
}
IntsRefFSTEnum <T> fstEnum_ = new IntsRefFSTEnum <T>(fst);
num_ = LuceneTestCase.AtLeast(Random, 100);
for (int iter = 0; iter < num_; iter++)
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" iter=" + iter);
}
if (Random.NextBoolean())
{
// seek to term that doesn't exist:
while (true)
{
IntsRef term = ToIntsRef(GetRandomString(Random), inputMode);
int pos = Pairs.BinarySearch(new InputOutput <T>(term, default(T)));
if (pos < 0)
{
pos = -(pos + 1);
// ok doesn't exist
//System.out.println(" seek " + inputToString(inputMode, term));
IntsRefFSTEnum.InputOutput <T> seekResult;
if (Random.Next(3) == 0)
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do non-exist seekExact term=" + InputToString(inputMode, term));
}
seekResult = fstEnum_.SeekExact(term);
pos = -1;
}
else if (Random.NextBoolean())
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do non-exist seekFloor term=" + InputToString(inputMode, term));
}
seekResult = fstEnum_.SeekFloor(term);
pos--;
}
else
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do non-exist seekCeil term=" + InputToString(inputMode, term));
}
seekResult = fstEnum_.SeekCeil(term);
}
if (pos != -1 && pos < Pairs.Count)
{
//System.out.println(" got " + inputToString(inputMode,seekResult.input) + " output=" + fst.Outputs.outputToString(seekResult.Output));
Assert.IsNotNull(seekResult, "got null but expected term=" + InputToString(inputMode, Pairs[pos].Input));
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" got " + InputToString(inputMode, seekResult.Input));
}
Assert.AreEqual(Pairs[pos].Input, seekResult.Input, "expected " + InputToString(inputMode, Pairs[pos].Input) + " but got " + InputToString(inputMode, seekResult.Input));
Assert.IsTrue(OutputsEqual(Pairs[pos].Output, seekResult.Output));
}
else
{
// seeked before start or beyond end
//System.out.println("seek=" + seekTerm);
Assert.IsNull(seekResult, "expected null but got " + (seekResult == null ? "null" : InputToString(inputMode, seekResult.Input)));
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" got null");
}
}
break;
}
}
}
else
{
// seek to term that does exist:
InputOutput <T> pair = Pairs[Random.Next(Pairs.Count)];
IntsRefFSTEnum.InputOutput <T> seekResult;
if (Random.Next(3) == 2)
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do exists seekExact term=" + InputToString(inputMode, pair.Input));
}
seekResult = fstEnum_.SeekExact(pair.Input);
}
else if (Random.NextBoolean())
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do exists seekFloor " + InputToString(inputMode, pair.Input));
}
seekResult = fstEnum_.SeekFloor(pair.Input);
}
else
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do exists seekCeil " + InputToString(inputMode, pair.Input));
}
seekResult = fstEnum_.SeekCeil(pair.Input);
}
Assert.IsNotNull(seekResult);
Assert.AreEqual(pair.Input, seekResult.Input, "got " + InputToString(inputMode, seekResult.Input) + " but expected " + InputToString(inputMode, pair.Input));
Assert.IsTrue(OutputsEqual(pair.Output, seekResult.Output));
}
}
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine("TEST: mixed next/seek");
}
// test mixed next/seek
num_ = LuceneTestCase.AtLeast(Random, 100);
for (int iter = 0; iter < num_; iter++)
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine("TEST: iter " + iter);
}
// reset:
fstEnum_ = new IntsRefFSTEnum <T>(fst);
int upto = -1;
while (true)
{
bool isDone = false;
if (upto == Pairs.Count - 1 || Random.NextBoolean())
{
// next
upto++;
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do next");
}
isDone = fstEnum_.Next() == null;
}
else if (upto != -1 && upto < 0.75 * Pairs.Count && Random.NextBoolean())
{
int attempt = 0;
for (; attempt < 10; attempt++)
{
IntsRef term = ToIntsRef(GetRandomString(Random), inputMode);
if (!termsMap.ContainsKey(term) && term.CompareTo(Pairs[upto].Input) > 0)
{
int pos = Pairs.BinarySearch(new InputOutput <T>(term, default(T)));
Debug.Assert(pos < 0);
upto = -(pos + 1);
if (Random.NextBoolean())
{
upto--;
Assert.IsTrue(upto != -1);
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do non-exist seekFloor(" + InputToString(inputMode, term) + ")");
}
isDone = fstEnum_.SeekFloor(term) == null;
}
else
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do non-exist seekCeil(" + InputToString(inputMode, term) + ")");
}
isDone = fstEnum_.SeekCeil(term) == null;
}
break;
}
}
if (attempt == 10)
{
continue;
}
}
else
{
int inc = Random.Next(Pairs.Count - upto - 1);
upto += inc;
if (upto == -1)
{
upto = 0;
}
if (Random.NextBoolean())
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do seekCeil(" + InputToString(inputMode, Pairs[upto].Input) + ")");
}
isDone = fstEnum_.SeekCeil(Pairs[upto].Input) == null;
}
else
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine(" do seekFloor(" + InputToString(inputMode, Pairs[upto].Input) + ")");
}
isDone = fstEnum_.SeekFloor(Pairs[upto].Input) == null;
}
}
if (LuceneTestCase.VERBOSE)
{
if (!isDone)
{
Console.WriteLine(" got " + InputToString(inputMode, fstEnum_.Current().Input));
}
else
{
Console.WriteLine(" got null");
}
}
if (upto == Pairs.Count)
{
Assert.IsTrue(isDone);
break;
}
else
{
Assert.IsFalse(isDone);
Assert.AreEqual(Pairs[upto].Input, fstEnum_.Current().Input);
Assert.IsTrue(OutputsEqual(Pairs[upto].Output, fstEnum_.Current().Output));
/*
* if (upto < pairs.size()-1) {
* int tryCount = 0;
* while(tryCount < 10) {
* final IntsRef t = toIntsRef(getRandomString(), inputMode);
* if (pairs.get(upto).input.compareTo(t) < 0) {
* final boolean expected = t.compareTo(pairs.get(upto+1).input) < 0;
* if (LuceneTestCase.VERBOSE) {
* System.out.println("TEST: call beforeNext(" + inputToString(inputMode, t) + "); current=" + inputToString(inputMode, pairs.get(upto).input) + " next=" + inputToString(inputMode, pairs.get(upto+1).input) + " expected=" + expected);
* }
* Assert.AreEqual(expected, fstEnum.beforeNext(t));
* break;
* }
* tryCount++;
* }
* }
*/
}
}
}
}