@Test
public void test_findMapedFileByOffset() {
final String fixedMsg = "abcd";
System.out.println("================================================================");
AllocateMapedFileService allocateMapedFileService = new AllocateMapedFileService();
allocateMapedFileService.start();
MapedFileQueue mapedFileQueue =
new MapedFileQueue("./unit_test_store/b/", 1024, allocateMapedFileService);
for (int i = 0; i < 1024; i++) {
MapedFile mapedFile = mapedFileQueue.getLastMapedFile();
assertTrue(mapedFile != null);
boolean result = mapedFile.appendMessage(fixedMsg.getBytes());
// System.out.println("appendMessage " + bytes);
assertTrue(result);
}
MapedFile mapedFile = mapedFileQueue.findMapedFileByOffset(0);
assertTrue(mapedFile != null);
assertEquals(mapedFile.getFileFromOffset(), 0);
System.out.println(mapedFile.getFileFromOffset());
mapedFile = mapedFileQueue.findMapedFileByOffset(100);
assertTrue(mapedFile != null);
assertEquals(mapedFile.getFileFromOffset(), 0);
System.out.println(mapedFile.getFileFromOffset());
mapedFile = mapedFileQueue.findMapedFileByOffset(1024);
assertTrue(mapedFile != null);
assertEquals(mapedFile.getFileFromOffset(), 1024);
System.out.println(mapedFile.getFileFromOffset());
mapedFile = mapedFileQueue.findMapedFileByOffset(1024 + 100);
assertTrue(mapedFile != null);
assertEquals(mapedFile.getFileFromOffset(), 1024);
System.out.println(mapedFile.getFileFromOffset());
mapedFile = mapedFileQueue.findMapedFileByOffset(1024 * 2);
assertTrue(mapedFile != null);
assertEquals(mapedFile.getFileFromOffset(), 1024 * 2);
System.out.println(mapedFile.getFileFromOffset());
mapedFile = mapedFileQueue.findMapedFileByOffset(1024 * 2 + 100);
assertTrue(mapedFile != null);
assertEquals(mapedFile.getFileFromOffset(), 1024 * 2);
System.out.println(mapedFile.getFileFromOffset());
mapedFile = mapedFileQueue.findMapedFileByOffset(1024 * 4);
assertTrue(mapedFile == null);
mapedFile = mapedFileQueue.findMapedFileByOffset(1024 * 4 + 100);
assertTrue(mapedFile == null);
mapedFileQueue.shutdown(1000);
mapedFileQueue.destroy();
allocateMapedFileService.shutdown();
System.out.println("MapedFileQueue.findMapedFileByOffset() OK");
}
@Test
public void test_commit() {
final String fixedMsg = "0123456789abcdef";
System.out.println("================================================================");
AllocateMapedFileService allocateMapedFileService = new AllocateMapedFileService();
allocateMapedFileService.start();
MapedFileQueue mapedFileQueue =
new MapedFileQueue("./unit_test_store/c/", 1024, allocateMapedFileService);
for (int i = 0; i < 1024; i++) {
MapedFile mapedFile = mapedFileQueue.getLastMapedFile();
assertTrue(mapedFile != null);
boolean result = mapedFile.appendMessage(fixedMsg.getBytes());
assertTrue(result);
}
// 不断尝试提交
boolean result = mapedFileQueue.commit(0);
assertFalse(result);
assertEquals(1024 * 1, mapedFileQueue.getCommittedWhere());
System.out.println("1 " + result + " " + mapedFileQueue.getCommittedWhere());
result = mapedFileQueue.commit(0);
assertFalse(result);
assertEquals(1024 * 2, mapedFileQueue.getCommittedWhere());
System.out.println("2 " + result + " " + mapedFileQueue.getCommittedWhere());
result = mapedFileQueue.commit(0);
assertFalse(result);
assertEquals(1024 * 3, mapedFileQueue.getCommittedWhere());
System.out.println("3 " + result + " " + mapedFileQueue.getCommittedWhere());
result = mapedFileQueue.commit(0);
assertFalse(result);
assertEquals(1024 * 4, mapedFileQueue.getCommittedWhere());
System.out.println("4 " + result + " " + mapedFileQueue.getCommittedWhere());
result = mapedFileQueue.commit(0);
assertFalse(result);
assertEquals(1024 * 5, mapedFileQueue.getCommittedWhere());
System.out.println("5 " + result + " " + mapedFileQueue.getCommittedWhere());
result = mapedFileQueue.commit(0);
assertFalse(result);
assertEquals(1024 * 6, mapedFileQueue.getCommittedWhere());
System.out.println("6 " + result + " " + mapedFileQueue.getCommittedWhere());
mapedFileQueue.shutdown(1000);
mapedFileQueue.destroy();
allocateMapedFileService.shutdown();
System.out.println("MapedFileQueue.commit() OK");
}
@Test
public void test_getMapedMemorySize() {
final String fixedMsg = "abcd";
System.out.println("================================================================");
AllocateMapedFileService allocateMapedFileService = new AllocateMapedFileService();
allocateMapedFileService.start();
MapedFileQueue mapedFileQueue =
new MapedFileQueue("./unit_test_store/d/", 1024, allocateMapedFileService);
for (int i = 0; i < 1024; i++) {
MapedFile mapedFile = mapedFileQueue.getLastMapedFile();
assertTrue(mapedFile != null);
boolean result = mapedFile.appendMessage(fixedMsg.getBytes());
assertTrue(result);
}
assertEquals(fixedMsg.length() * 1024, mapedFileQueue.getMapedMemorySize());
mapedFileQueue.shutdown(1000);
mapedFileQueue.destroy();
allocateMapedFileService.shutdown();
System.out.println("MapedFileQueue.getMapedMemorySize() OK");
}
@Test
public void test_getLastMapedFile() {
final String fixedMsg = "0123456789abcdef";
System.out.println("================================================================");
AllocateMapedFileService allocateMapedFileService = new AllocateMapedFileService();
allocateMapedFileService.start();
MapedFileQueue mapedFileQueue =
new MapedFileQueue("./unit_test_store/a/", 1024, allocateMapedFileService);
for (int i = 0; i < 1024; i++) {
MapedFile mapedFile = mapedFileQueue.getLastMapedFile();
assertTrue(mapedFile != null);
boolean result = mapedFile.appendMessage(fixedMsg.getBytes());
if (!result) {
System.out.println("appendMessage " + i);
}
assertTrue(result);
}
mapedFileQueue.shutdown(1000);
mapedFileQueue.destroy();
allocateMapedFileService.shutdown();
System.out.println("MapedFileQueue.getLastMapedFile() OK");
}