testModifyingRootAndResetingSystem.java

public void testModifyingRootAndResetingSystem()
{
    assertEquals(0, getFilesNumberInRepo());
    TestRoot root = new TestRoot();
    assertEquals(1, getFilesNumberInRepo());

    ((Persisteble)root).takeSnapshot();

    assertEquals(1, getFilesNumberInRepo());
    assertEquals("000000000000000000000.snapshot",
                 getLastFileFromRepo());

    root.newUser("user 1");
    assertEquals(1, root.getUsers().size());
    assertEquals(2, getFilesNumberInRepo());
    assertEquals("000000000000000000001.commandLog",
                 getLastFileFromRepo());

    //Emulation of database restart
    Pat.unload();

    TestRoot rootReloaded = new TestRoot();
    if (rootReloaded == root)
        throw new AssertionError("Roots' references should differ");

    assertEquals(2, getFilesNumberInRepo());
    assertEquals("000000000000000000001.commandLog",
                 getLastFileFromRepo());

    assertEquals("Should be 1 user", 1, rootReloaded.getUsers().size());
}