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LUCENE-5330: add test 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1539317 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael McCandless 2013-11-06 11:46:56 +00:00
parent e10ca44c82
commit f165031574
1 changed files with 19 additions and 0 deletions
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19
lucene/core/src/test/org/apache/lucene/index/TestIndexWriterReader.java
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@ -1099,4 +1099,23 @@ public class TestIndexWriterReader extends LuceneTestCase {
dir.close(); dir.close();
} }
/** Make sure if all we do is open NRT reader against
* writer, we don't see merge starvation. */
public void testTooManySegments() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig iwc = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
IndexWriter w = new IndexWriter(dir, iwc);
// Create 500 segments:
for(int i=0;i<500;i++) {
Document doc = new Document();
doc.add(newStringField("id", ""+i, Field.Store.NO));
w.addDocument(doc);
IndexReader r = DirectoryReader.open(w, true);
// Make sure segment count never exceeds 100:
assertTrue(r.leaves().size() < 100);
r.close();
}
w.close();
dir.close();
}
} }