public void testPutData() {
Node<Object, Object> rootNode = cache.getRoot();
assertTrue(rootNode.getData().isEmpty());
Map<Object, Object> map = new HashMap<Object, Object>();
map.put("k1", "v1");
map.put("k2", "v2");
rootNode.putAll(map);
assertEquals(2, rootNode.getData().size());
assertEquals("v1", rootNode.get("k1"));
assertEquals("v2", rootNode.get("k2"));
map.clear();
map.put("k3", "v3");
rootNode.putAll(map);
assertEquals(3, rootNode.getData().size());
assertEquals("v1", rootNode.get("k1"));
assertEquals("v2", rootNode.get("k2"));
assertEquals("v3", rootNode.get("k3"));
map.clear();
map.put("k4", "v4");
map.put("k5", "v5");
rootNode.replaceAll(map);
assertEquals(2, rootNode.getData().size());
assertEquals("v4", rootNode.get("k4"));
assertEquals("v5", rootNode.get("k5"));
}
public void testClearingDataTx() throws Exception {
Node<Object, Object> rootNode = cache.getRoot();
tm.begin();
rootNode.put("k", "v");
rootNode.put("k2", "v2");
assertEquals(2, rootNode.getKeys().size());
rootNode.clearData();
assertEquals(0, rootNode.getKeys().size());
assertTrue(rootNode.getData().isEmpty());
tm.commit();
assertTrue(rootNode.getData().isEmpty());
}
public void testDefensiveCopyOfData() {
Node<Object, Object> rootNode = cache.getRoot();
rootNode.put("key", "value");
Map<Object, Object> data = rootNode.getData();
Set<Object> keys = rootNode.getKeys();
assert keys.size() == 1;
assert keys.contains("key");
assert data.size() == 1;
assert data.containsKey("key");
// now change stuff.
rootNode.put("key2", "value2");
// assert that the collections we initially got have not changed.
assert keys.size() == 1;
assert keys.contains("key");
assert data.size() == 1;
assert data.containsKey("key");
}
public void testClearingData() {
Node<Object, Object> rootNode = cache.getRoot();
rootNode.put("k", "v");
rootNode.put("k2", "v2");
assertEquals(2, rootNode.getKeys().size());
rootNode.clearData();
assertEquals(0, rootNode.getKeys().size());
assertTrue(rootNode.getData().isEmpty());
}
public void testImmutabilityOfData() {
Node<Object, Object> rootNode = cache.getRoot();
rootNode.put("key", "value");
Map<Object, Object> m = rootNode.getData();
try {
m.put("x", "y");
fail("Map should be immutable!!");
} catch (Exception e) {
// expected
}
try {
rootNode.getKeys().add(new Object());
fail("Key set should be immutable");
} catch (Exception e) {
// expected
}
}