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add test case for deletes 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1068387 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael McCandless 2011-02-08 13:42:16 +00:00
parent ebfa92f6db
commit c9c5694765
1 changed files with 32 additions and 0 deletions
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32
lucene/src/test/org/apache/lucene/index/TestIndexWriter.java
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@ -2874,4 +2874,36 @@ public class TestIndexWriter extends LuceneTestCase {
dir.close();
}
public void testDeleteAllSlowly() throws Exception {
final Directory dir = newDirectory();
RandomIndexWriter w = new RandomIndexWriter(random, dir);
final int NUM_DOCS = 1000 * RANDOM_MULTIPLIER;
final List<Integer> ids = new ArrayList<Integer>(NUM_DOCS);
for(int id=0;id<NUM_DOCS;id++) {
ids.add(id);
}
Collections.shuffle(ids, random);
for(int id : ids) {
Document doc = new Document();
doc.add(newField("id", ""+id, Field.Index.NOT_ANALYZED));
w.addDocument(doc);
}
Collections.shuffle(ids, random);
int upto = 0;
while(upto < ids.size()) {
final int left = ids.size() - upto;
final int inc = Math.min(left, _TestUtil.nextInt(random, 1, 20));
final int limit = upto + inc;
while(upto < limit) {
w.deleteDocuments(new Term("id", ""+ids.get(upto++)));
}
final IndexReader r = w.getReader();
assertEquals(NUM_DOCS - upto, r.numDocs());
r.close();
}
w.close();
dir.close();
}
}