@Test
public void testAddToEmptyCursorWhenTempStoreIsFull() throws Exception {
createBrokerWithTempStoreLimit();
SystemUsage usage = brokerService.getSystemUsage();
PList dud = brokerService.getTempDataStore().getPList("dud");
// fill the temp store
int id = 0;
ByteSequence payload = new ByteSequence(new byte[1024]);
while (!usage.getTempUsage().isFull()) {
dud.addFirst("A-" + (++id), payload);
}
assertTrue(
"temp store is full: %" + usage.getTempUsage().getPercentUsage(),
usage.getTempUsage().isFull());
underTest = new FilePendingMessageCursor(brokerService.getBroker(), "test", false);
underTest.setSystemUsage(usage);
// ok to add
underTest.addMessageLast(QueueMessageReference.NULL_MESSAGE);
assertFalse("cursor is not full", underTest.isFull());
}
private void createBrokerWithTempStoreLimit() throws Exception {
brokerService = new BrokerService();
brokerService.setUseJmx(false);
SystemUsage usage = brokerService.getSystemUsage();
usage.getTempUsage().setLimit(1025 * 1024 * 15);
brokerService.start();
// put something in the temp store to on demand initialise it
PList dud = brokerService.getTempDataStore().getPList("dud");
dud.addFirst("A", new ByteSequence("A".getBytes()));
}