926 |
|
for (boolean createIncomplete : new boolean[] { true, false }) |
927 |
|
for (Integer v1 : new Integer[] { 1, null }) |
928 |
|
{ |
929 |
– |
final AtomicInteger a = new AtomicInteger(0); |
929 |
|
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
930 |
|
if (!createIncomplete) assertTrue(f.complete(v1)); |
931 |
|
final CompletableFuture<Integer> g = m.exceptionally |
932 |
|
(f, (Throwable t) -> { |
934 |
– |
a.getAndIncrement(); |
933 |
|
threadFail("should not be called"); |
934 |
|
return null; // unreached |
935 |
|
}); |
937 |
|
|
938 |
|
checkCompletedNormally(g, v1); |
939 |
|
checkCompletedNormally(f, v1); |
942 |
– |
assertEquals(0, a.get()); |
940 |
|
}} |
941 |
|
|
942 |
|
/** |
3167 |
|
final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r); |
3168 |
|
if (createIncomplete) assertTrue(f.complete(v1)); |
3169 |
|
|
3170 |
+ |
if (!createIncomplete && testImplementationDetails) |
3171 |
+ |
assertSame(f, g); // an optimization |
3172 |
+ |
|
3173 |
|
checkCompletedNormally(f, v1); |
3174 |
|
checkCompletedNormally(g, v1); |
3175 |
|
r.assertNotInvoked(); |
3217 |
|
r.assertInvoked(); |
3218 |
|
}} |
3219 |
|
|
3220 |
+ |
/** |
3221 |
+ |
* thenComposeExceptionally result completes exceptionally if the |
3222 |
+ |
* result of the action does |
3223 |
+ |
*/ |
3224 |
+ |
public void testExceptionallyCompose_actionReturnsFailingFuture() { |
3225 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
3226 |
+ |
for (int order = 0; order < 6; order++) |
3227 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
3228 |
+ |
{ |
3229 |
+ |
final CFException ex0 = new CFException(); |
3230 |
+ |
final CFException ex = new CFException(); |
3231 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
3232 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
3233 |
+ |
final CompletableFuture<Integer> h; |
3234 |
+ |
// Test all permutations of orders |
3235 |
+ |
switch (order) { |
3236 |
+ |
case 0: |
3237 |
+ |
assertTrue(f.completeExceptionally(ex0)); |
3238 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3239 |
+ |
h = m.exceptionallyCompose(f, (x -> g)); |
3240 |
+ |
break; |
3241 |
+ |
case 1: |
3242 |
+ |
assertTrue(f.completeExceptionally(ex0)); |
3243 |
+ |
h = m.exceptionallyCompose(f, (x -> g)); |
3244 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3245 |
+ |
break; |
3246 |
+ |
case 2: |
3247 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3248 |
+ |
assertTrue(f.completeExceptionally(ex0)); |
3249 |
+ |
h = m.exceptionallyCompose(f, (x -> g)); |
3250 |
+ |
break; |
3251 |
+ |
case 3: |
3252 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3253 |
+ |
h = m.exceptionallyCompose(f, (x -> g)); |
3254 |
+ |
assertTrue(f.completeExceptionally(ex0)); |
3255 |
+ |
break; |
3256 |
+ |
case 4: |
3257 |
+ |
h = m.exceptionallyCompose(f, (x -> g)); |
3258 |
+ |
assertTrue(f.completeExceptionally(ex0)); |
3259 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3260 |
+ |
break; |
3261 |
+ |
case 5: |
3262 |
+ |
h = m.exceptionallyCompose(f, (x -> g)); |
3263 |
+ |
assertTrue(f.completeExceptionally(ex0)); |
3264 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3265 |
+ |
break; |
3266 |
+ |
default: throw new AssertionError(); |
3267 |
+ |
} |
3268 |
+ |
|
3269 |
+ |
checkCompletedExceptionally(g, ex); |
3270 |
+ |
|
3271 |
+ |
// TODO: should this be: checkCompletedWithWrappedException(h, ex); |
3272 |
+ |
try { |
3273 |
+ |
h.join(); |
3274 |
+ |
shouldThrow(); |
3275 |
+ |
} catch (Throwable t) { |
3276 |
+ |
assertSame(ex, (t instanceof CompletionException) ? t.getCause() : t); |
3277 |
+ |
} |
3278 |
+ |
|
3279 |
+ |
checkCompletedExceptionally(f, ex0); |
3280 |
+ |
}} |
3281 |
|
|
3282 |
|
// other static methods |
3283 |
|
|
4841 |
|
} |
4842 |
|
|
4843 |
|
/** |
4844 |
+ |
* default-implemented exceptionallyAsync action is not invoked when |
4845 |
+ |
* source completes normally, and source result is propagated |
4846 |
+ |
*/ |
4847 |
+ |
public void testDefaultExceptionallyAsync_normalCompletion() { |
4848 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
4849 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
4850 |
+ |
{ |
4851 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
4852 |
+ |
final DelegatedCompletionStage<Integer> d = |
4853 |
+ |
new DelegatedCompletionStage<Integer>(f); |
4854 |
+ |
if (!createIncomplete) assertTrue(f.complete(v1)); |
4855 |
+ |
final CompletionStage<Integer> g = d.exceptionallyAsync |
4856 |
+ |
((Throwable t) -> { |
4857 |
+ |
threadFail("should not be called"); |
4858 |
+ |
return null; // unreached |
4859 |
+ |
}); |
4860 |
+ |
if (createIncomplete) assertTrue(f.complete(v1)); |
4861 |
+ |
|
4862 |
+ |
checkCompletedNormally(g.toCompletableFuture(), v1); |
4863 |
+ |
}} |
4864 |
+ |
|
4865 |
+ |
/** |
4866 |
|
* default-implemented exceptionallyAsync action completes with |
4867 |
|
* function value on source exception |
4868 |
|
*/ |