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more test cases to increase code coverage 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@208851 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Daniel Naber 2005-07-02 17:39:57 +00:00
parent f2ac110482
commit d9c75bfad0
1 changed files with 57 additions and 0 deletions
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57
src/test/org/apache/lucene/index/TestIndexReader.java
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@ -354,6 +354,63 @@ public class TestIndexReader extends TestCase
dir = getDirectory(true);
}
public void testLastModified() throws IOException {
assertFalse(IndexReader.indexExists("there_is_no_such_index"));
Directory dir = new RAMDirectory();
assertFalse(IndexReader.indexExists(dir));
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
addDocumentWithFields(writer);
assertTrue(IndexReader.isLocked(dir)); // writer open, so dir is locked
writer.close();
assertTrue(IndexReader.indexExists(dir));
IndexReader reader = IndexReader.open(dir);
assertFalse(IndexReader.isLocked(dir)); // reader only, no lock
long version = IndexReader.lastModified(dir);
reader.close();
// modify index and check version has been incremented:
writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
addDocumentWithFields(writer);
writer.close();
reader = IndexReader.open(dir);
assertTrue(version < IndexReader.getCurrentVersion(dir));
reader.close();
}
public void testLock() throws IOException {
Directory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
addDocumentWithFields(writer);
writer.close();
writer = new IndexWriter(dir, new WhitespaceAnalyzer(), false);
IndexReader reader = IndexReader.open(dir);
try {
reader.delete(0);
fail("expected lock");
} catch(IOException e) {
// expected exception
}
IndexReader.unlock(dir); // this should not be done in the real world!
reader.delete(0);
reader.close();
writer.close();
}
public void testUndeleteAll() throws IOException {
Directory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
addDocumentWithFields(writer);
addDocumentWithFields(writer);
writer.close();
IndexReader reader = IndexReader.open(dir);
reader.delete(0);
reader.delete(1);
reader.undeleteAll();
reader.close();
reader = IndexReader.open(dir);
assertEquals(2, reader.numDocs()); // nothing has really been deleted thanks to undeleteAll()
reader.close();
}
public void testDeleteReaderReaderConflictUnoptimized() throws IOException{
deleteReaderReaderConflict(false);
}