public void testSimple() throws Exception {
File tmp = new File("tmp");
PersistentMap<String> pm = new PersistentMap<String>(new File(tmp, "simple"), String.class);
try {
assertNull(pm.put("abc", "def"));
assertEquals("def", pm.get("abc"));
pm.close();
PersistentMap<String> pm2 = new PersistentMap<String>(new File(tmp, "simple"), String.class);
assertEquals("def", pm2.get("abc"));
assertEquals(Arrays.asList("abc"), new ArrayList<String>(pm2.keySet()));
for (Map.Entry<String, String> e : pm2.entrySet()) {
e.setValue("XXX");
}
assertEquals("XXX", pm2.get("abc"));
pm2.close();
} finally {
pm.close();
IO.delete(tmp);
}
}
/** pollLastEntry returns entries in order */
public void testDescendingPollLastEntry() {
ConcurrentNavigableMap map = dmap5();
Map.Entry e = map.pollLastEntry();
assertEquals(m5, e.getKey());
assertEquals("E", e.getValue());
e = map.pollLastEntry();
assertEquals(m4, e.getKey());
map.put(m5, "E");
e = map.pollLastEntry();
assertEquals(m5, e.getKey());
assertEquals("E", e.getValue());
e = map.pollLastEntry();
assertEquals(m3, e.getKey());
map.remove(m2);
e = map.pollLastEntry();
assertEquals(m1, e.getKey());
try {
e.setValue("E");
shouldThrow();
} catch (UnsupportedOperationException success) {
}
e = map.pollLastEntry();
assertNull(e);
}
/** pollLastEntry returns entries in order */
public void testPollLastEntry() {
ConcurrentNavigableMap map = map5();
Map.Entry e = map.pollLastEntry();
assertEquals(five, e.getKey());
assertEquals("E", e.getValue());
e = map.pollLastEntry();
assertEquals(four, e.getKey());
map.put(five, "E");
e = map.pollLastEntry();
assertEquals(five, e.getKey());
assertEquals("E", e.getValue());
e = map.pollLastEntry();
assertEquals(three, e.getKey());
map.remove(two);
e = map.pollLastEntry();
assertEquals(one, e.getKey());
try {
e.setValue("E");
shouldThrow();
} catch (UnsupportedOperationException success) {
}
e = map.pollLastEntry();
assertNull(e);
}