protected void tearDown() throws IOException, DatabaseException {
if (fileManager != null) {
fileManager.clear();
fileManager.close();
}
TestUtils.removeFiles("TearDown", envHome, FileManager.JE_SUFFIX);
}
public void testFlipFile() throws Throwable {
/*
* The setUp() method opens a standalone FileManager, but in this test
* case we need a regular Environment. On Windows, we can't lock the
* file range twice in FileManager.lockEnvironment, so we must close
* the standalone FileManager here before opening a regular
* environment.
*/
fileManager.clear();
fileManager.close();
fileManager = null;
EnvironmentConfig envConfig = TestUtils.initEnvConfig();
envConfig.setAllowCreate(true);
envConfig.setTransactional(true);
Environment env = new Environment(envHome, envConfig);
EnvironmentImpl envImpl = DbInternal.envGetEnvironmentImpl(env);
FileManager fileManager = envImpl.getFileManager();
DatabaseConfig dbConfig = new DatabaseConfig();
dbConfig.setAllowCreate(true);
Database exampleDb = env.openDatabase(null, "simpleDb", dbConfig);
assertEquals("Should have 0 as current file", 0L, fileManager.getCurrentFileNum());
long flipLsn = envImpl.forceLogFileFlip();
assertEquals("LSN should be 1 post-flip", 1L, DbLsn.getFileNumber(flipLsn));
DatabaseEntry key = new DatabaseEntry();
DatabaseEntry data = new DatabaseEntry();
key.setData("key".getBytes());
data.setData("data".getBytes());
exampleDb.put(null, key, data);
assertEquals("Should have 1 as last file", 1L, fileManager.getCurrentFileNum());
exampleDb.close();
env.close();
}
