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add CFS test case 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1160832 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael McCandless 2011-08-23 18:18:39 +00:00
parent ea9eae7abb
commit b877781d9f
1 changed files with 37 additions and 0 deletions
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37
lucene/src/test/org/apache/lucene/index/TestCompoundFile.java
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@ -767,4 +767,41 @@ public class TestCompoundFile extends LuceneTestCase
newDir.close();
}
// Make sure we don't somehow use more than 1 descriptor
// when reading a CFS with many subs:
public void testManySubFiles() throws IOException {
final Directory d = newFSDirectory(_TestUtil.getTempDir("CFSManySubFiles"));
final int FILE_COUNT = 10000;
for(int fileIdx=0;fileIdx<FILE_COUNT;fileIdx++) {
IndexOutput out = d.createOutput("file." + fileIdx, newIOContext(random));
out.writeByte((byte) fileIdx);
out.close();
}
final CompoundFileDirectory cfd = d.createCompoundOutput("c.cfs", newIOContext(random));
for(int fileIdx=0;fileIdx<FILE_COUNT;fileIdx++) {
final String fileName = "file." + fileIdx;
d.copy(cfd, fileName, fileName, newIOContext(random));
}
cfd.close();
final IndexInput[] ins = new IndexInput[FILE_COUNT];
final CompoundFileDirectory cfr = d.openCompoundInput("c.cfs", newIOContext(random));
for(int fileIdx=0;fileIdx<FILE_COUNT;fileIdx++) {
ins[fileIdx] = cfr.openInput("file." + fileIdx, newIOContext(random));
}
for(int fileIdx=0;fileIdx<FILE_COUNT;fileIdx++) {
assertEquals((byte) fileIdx, ins[fileIdx].readByte());
}
for(int fileIdx=0;fileIdx<FILE_COUNT;fileIdx++) {
ins[fileIdx].close();
}
cfr.close();
d.close();
}
}