/**
* @param it Iterator.
* @param bound Value bound.
* @throws Exception If failed.
*/
private void testIteratorSerialization(Iterator<?> it, int bound) throws Exception {
ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
try (ObjectOutputStream out = new ObjectOutputStream(byteOut)) {
out.writeObject(it);
}
byte[] bytes = byteOut.toByteArray();
ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes));
Iterator<?> it0 = (Iterator<?>) in.readObject();
int cnt = 0;
while (it0.hasNext()) {
Object obj = it0.next();
if (obj instanceof GridCacheEntry) checkEntry((GridCacheEntry<String, Integer>) obj, bound);
else if (obj instanceof String) checkKey((String) obj);
else if (obj instanceof Integer) checkValue((Integer) obj, bound);
else assert false : "Wrong type.";
cnt++;
}
assert cnt == bound;
}
/** @throws Exception If failed. */
public void testEmptyProjections() throws Exception {
final GridClientCompute dflt = client.compute();
Collection<? extends GridClientNode> nodes = dflt.nodes();
assertEquals(NODES_CNT, nodes.size());
Iterator<? extends GridClientNode> iter = nodes.iterator();
final GridClientCompute singleNodePrj = dflt.projection(Collections.singletonList(iter.next()));
final GridClientNode second = iter.next();
final GridClientPredicate<GridClientNode> noneFilter =
new GridClientPredicate<GridClientNode>() {
@Override
public boolean apply(GridClientNode node) {
return false;
}
};
final GridClientPredicate<GridClientNode> targetFilter =
new GridClientPredicate<GridClientNode>() {
@Override
public boolean apply(GridClientNode node) {
return node.nodeId().equals(second.nodeId());
}
};
GridTestUtils.assertThrows(
log(),
new Callable<Object>() {
@Override
public Object call() throws Exception {
return dflt.projection(noneFilter).log(-1, -1);
}
},
GridServerUnreachableException.class,
null);
GridTestUtils.assertThrows(
log(),
new Callable<Object>() {
@Override
public Object call() throws Exception {
return singleNodePrj.projection(second);
}
},
GridClientException.class,
null);
GridTestUtils.assertThrows(
log(),
new Callable<Object>() {
@Override
public Object call() throws Exception {
return singleNodePrj.projection(targetFilter);
}
},
GridClientException.class,
null);
}