public virtual void TestLongPostings_Mem()
{
// Don't use TestUtil.getTempDir so that we own the
// randomness (ie same seed will point to same dir):
Directory dir = NewFSDirectory(CreateTempDir("longpostings" + "." + Random().NextLong()));
int NUM_DOCS = AtLeast(2000);
if (VERBOSE)
{
Console.WriteLine("TEST: NUM_DOCS=" + NUM_DOCS);
}
string s1 = GetRandomTerm(null);
string s2 = GetRandomTerm(s1);
if (VERBOSE)
{
Console.WriteLine("\nTEST: s1=" + s1 + " s2=" + s2);
/*
for(int idx=0;idx<s1.Length();idx++) {
System.out.println(" s1 ch=0x" + Integer.toHexString(s1.charAt(idx)));
}
for(int idx=0;idx<s2.Length();idx++) {
System.out.println(" s2 ch=0x" + Integer.toHexString(s2.charAt(idx)));
}
*/
}
FixedBitSet isS1 = new FixedBitSet(NUM_DOCS);
for (int idx = 0; idx < NUM_DOCS; idx++)
{
if (Random().NextBoolean())
{
isS1.Set(idx);
}
}
IndexReader r;
IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random())).SetOpenMode(IndexWriterConfig.OpenMode_e.CREATE).SetMergePolicy(NewLogMergePolicy());
iwc.SetRAMBufferSizeMB(16.0 + 16.0 * Random().NextDouble());
iwc.SetMaxBufferedDocs(-1);
RandomIndexWriter riw = new RandomIndexWriter(Random(), dir, iwc);
for (int idx = 0; idx < NUM_DOCS; idx++)
{
Document doc = new Document();
string s = isS1.Get(idx) ? s1 : s2;
Field f = NewTextField("field", s, Field.Store.NO);
int count = TestUtil.NextInt(Random(), 1, 4);
for (int ct = 0; ct < count; ct++)
{
doc.Add(f);
}
riw.AddDocument(doc);
}
r = riw.Reader;
riw.Dispose();
/*
if (VERBOSE) {
System.out.println("TEST: terms");
TermEnum termEnum = r.Terms();
while(termEnum.Next()) {
System.out.println(" term=" + termEnum.Term() + " len=" + termEnum.Term().Text().Length());
Assert.IsTrue(termEnum.DocFreq() > 0);
System.out.println(" s1?=" + (termEnum.Term().Text().equals(s1)) + " s1len=" + s1.Length());
System.out.println(" s2?=" + (termEnum.Term().Text().equals(s2)) + " s2len=" + s2.Length());
final String s = termEnum.Term().Text();
for(int idx=0;idx<s.Length();idx++) {
System.out.println(" ch=0x" + Integer.toHexString(s.charAt(idx)));
}
}
}
*/
Assert.AreEqual(NUM_DOCS, r.NumDocs);
Assert.IsTrue(r.DocFreq(new Term("field", s1)) > 0);
Assert.IsTrue(r.DocFreq(new Term("field", s2)) > 0);
int num = AtLeast(1000);
for (int iter = 0; iter < num; iter++)
{
string term;
bool doS1;
if (Random().NextBoolean())
{
term = s1;
doS1 = true;
}
else
{
term = s2;
doS1 = false;
}
if (VERBOSE)
{
Console.WriteLine("\nTEST: iter=" + iter + " doS1=" + doS1);
}
DocsAndPositionsEnum postings = MultiFields.GetTermPositionsEnum(r, null, "field", new BytesRef(term));
int docID = -1;
while (docID < DocIdSetIterator.NO_MORE_DOCS)
{
int what = Random().Next(3);
if (what == 0)
{
if (VERBOSE)
{
Console.WriteLine("TEST: docID=" + docID + "; do next()");
}
// nextDoc
int expected = docID + 1;
while (true)
{
if (expected == NUM_DOCS)
{
expected = int.MaxValue;
break;
}
else if (isS1.Get(expected) == doS1)
{
break;
}
else
{
expected++;
}
}
docID = postings.NextDoc();
if (VERBOSE)
{
Console.WriteLine(" got docID=" + docID);
}
Assert.AreEqual(expected, docID);
if (docID == DocIdSetIterator.NO_MORE_DOCS)
{
break;
}
if (Random().Next(6) == 3)
{
int freq = postings.Freq();
Assert.IsTrue(freq >= 1 && freq <= 4);
for (int pos = 0; pos < freq; pos++)
{
Assert.AreEqual(pos, postings.NextPosition());
if (Random().NextBoolean())
{
var dummy = postings.Payload;
if (Random().NextBoolean())
{
dummy = postings.Payload; // get it again
}
}
}
}
}
else
{
// advance
int targetDocID;
if (docID == -1)
{
targetDocID = Random().Next(NUM_DOCS + 1);
}
else
{
targetDocID = docID + TestUtil.NextInt(Random(), 1, NUM_DOCS - docID);
}
if (VERBOSE)
{
Console.WriteLine("TEST: docID=" + docID + "; do advance(" + targetDocID + ")");
}
int expected = targetDocID;
while (true)
{
if (expected == NUM_DOCS)
{
expected = int.MaxValue;
break;
}
else if (isS1.Get(expected) == doS1)
{
break;
}
else
{
expected++;
}
}
docID = postings.Advance(targetDocID);
if (VERBOSE)
{
Console.WriteLine(" got docID=" + docID);
}
Assert.AreEqual(expected, docID);
if (docID == DocIdSetIterator.NO_MORE_DOCS)
{
break;
}
if (Random().Next(6) == 3)
{
int freq = postings.Freq();
Assert.IsTrue(freq >= 1 && freq <= 4);
for (int pos = 0; pos < freq; pos++)
{
Assert.AreEqual(pos, postings.NextPosition());
if (Random().NextBoolean())
{
var dummy = postings.Payload;
if (Random().NextBoolean())
{
dummy = postings.Payload; // get it again
}
}
}
}
}
}
}
r.Dispose();
dir.Dispose();
}
