| 45 | } |
| 46 | |
| 47 | @Test |
| 48 | public void nested() throws Exception { |
| 49 | final RuntimeException ex = new RuntimeException("Boo!"); |
| 50 | deferreds.add(Deferred.fromError(ex)); |
| 51 | |
| 52 | final ArrayList<Deferred<Object>> deferreds2 = |
| 53 | new ArrayList<Deferred<Object>>(1); |
| 54 | deferreds2.add(Deferred.fromResult(null)); |
| 55 | |
| 56 | class LOne implements |
| 57 | Callback<Deferred<ArrayList<Object>>, ArrayList<Object>> { |
| 58 | @Override |
| 59 | public Deferred<ArrayList<Object>> call(final ArrayList<Object> piff) |
| 60 | throws Exception { |
| 61 | return Deferred.group(deferreds); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | try { |
| 66 | Deferred.group(deferreds2).addCallbackDeferring(new LOne()).join(); |
| 67 | fail("Expected a DeferredGroupException"); |
| 68 | } catch (DeferredGroupException dge) { |
| 69 | assertSame(ex, Exceptions.getCause(dge)); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | } |