/*
* @param t Result type
* @see java.util.function.Consumer#accept(java.lang.Object)
*/
@Override
public void accept(FastFuture<T> t) {
active.add(t);
if (active.size() > maxActive.getMaxActive()) {
while (active.size() > maxActive.getReduceTo()) {
List<FastFuture> toRemove =
active
.stream()
.filter(cf -> cf.isDone())
.peek(this::handleExceptions)
.collect(Collectors.toList());
active.removeAll(toRemove);
if (active.size() > maxActive.getReduceTo()) {
CompletableFuture promise = new CompletableFuture();
FastFuture.xOf(
active.size() - maxActive.getReduceTo(),
() -> promise.complete(true),
active.toArray(new FastFuture[0]));
promise.join();
}
}
}
}
static void checkCompletedNormally(CompletableFuture<?> cf, Object[] values) {
try {
equalAnyOf(cf.join(), values);
} catch (Throwable x) {
unexpected(x);
}
try {
equalAnyOf(cf.getNow(null), values);
} catch (Throwable x) {
unexpected(x);
}
try {
equalAnyOf(cf.get(), values);
} catch (Throwable x) {
unexpected(x);
}
try {
equalAnyOf(cf.get(0L, SECONDS), values);
} catch (Throwable x) {
unexpected(x);
}
check(cf.isDone(), "Expected isDone to be true, got:" + cf);
check(!cf.isCancelled(), "Expected isCancelled to be false");
check(!cf.cancel(true), "Expected cancel to return false");
check(cf.toString().contains("[Completed normally]"));
check(cf.complete(null) == false, "Expected complete() to fail");
check(
cf.completeExceptionally(new Throwable()) == false,
"Expected completeExceptionally() to fail");
}
@Test
@SuppressWarnings("unchecked")
public void modificationDuringTransactionCausesAbort() throws Exception {
Map<String, String> testMap =
getRuntime().getObjectsView().open(CorfuRuntime.getStreamID("A"), SMRMap.class);
assertThat(testMap.put("a", "z"));
getRuntime().getObjectsView().TXBegin();
assertThat(testMap.put("a", "a")).isEqualTo("z");
assertThat(testMap.put("a", "b")).isEqualTo("a");
assertThat(testMap.get("a")).isEqualTo("b");
CompletableFuture cf =
CompletableFuture.runAsync(
() -> {
Map<String, String> testMap2 =
getRuntime()
.getObjectsView()
.open(
UUID.nameUUIDFromBytes("A".getBytes()),
SMRMap.class,
null,
EnumSet.of(ObjectOpenOptions.NO_CACHE),
SerializerType.JSON);
testMap2.put("a", "f");
});
cf.join();
assertThatThrownBy(() -> getRuntime().getObjectsView().TXEnd())
.isInstanceOf(TransactionAbortedException.class);
}
@Test
public void testLongParam() throws IllegalAccessException, InstantiationException {
PrimitiveUser2 a = new PrimitiveUser2();
CompletableFuture<String> blocker = new CompletableFuture<>();
final CompletableFuture<Object> res = a.longTest(blocker, 10000000000L);
blocker.complete("x");
assertEquals(":10000000000:x", res.join());
}
@SuppressWarnings("unchecked")
static <T> void checkCompletedExceptionally(CompletableFuture<T> cf, boolean cancelled)
throws Exception {
try {
cf.join();
fail("Excepted exception to be thrown");
} catch (CompletionException x) {
if (cancelled) fail();
else pass();
} catch (CancellationException x) {
if (cancelled) pass();
else fail();
}
try {
cf.getNow(null);
fail("Excepted exception to be thrown");
} catch (CompletionException x) {
if (cancelled) fail();
else pass();
} catch (CancellationException x) {
if (cancelled) pass();
else fail();
}
try {
cf.get();
fail("Excepted exception to be thrown");
} catch (CancellationException x) {
if (cancelled) pass();
else fail();
} catch (ExecutionException x) {
if (cancelled) check(x.getCause() instanceof CancellationException);
else pass();
}
try {
cf.get(0L, SECONDS);
fail("Excepted exception to be thrown");
} catch (CancellationException x) {
if (cancelled) pass();
else fail();
} catch (ExecutionException x) {
if (cancelled) check(x.getCause() instanceof CancellationException);
else pass();
}
check(cf.isDone(), "Expected isDone to be true, got:" + cf);
check(
cf.isCancelled() == cancelled,
"Expected isCancelled: " + cancelled + ", got:" + cf.isCancelled());
check(
cf.cancel(true) == cancelled, "Expected cancel: " + cancelled + ", got:" + cf.cancel(true));
check(cf.toString().contains("[Completed exceptionally]")); // ## TODO: 'E'xceptionally
check(cf.complete((T) new Object()) == false, "Expected complete() to fail");
check(
cf.completeExceptionally(new Throwable()) == false,
"Expected completeExceptionally() to fail, already completed");
}
/** consume returns a CompletableFuture that is done when publisher completes */
public void testConsume() {
AtomicInteger sum = new AtomicInteger();
SubmissionPublisher<Integer> p = basicPublisher();
CompletableFuture<Void> f =
p.consume(
(Integer x) -> {
sum.getAndAdd(x.intValue());
});
int n = 20;
for (int i = 1; i <= n; ++i) p.submit(i);
p.close();
f.join();
assertEquals((n * (n + 1)) / 2, sum.get());
}
@Test
public void testAllPrimitivesAndStack() throws IllegalAccessException, InstantiationException {
PrimitiveUser4 a = new PrimitiveUser4();
CompletableFuture<String> blocker = new CompletableFuture<>();
Random r = new Random();
int i1 = r.nextInt();
short s1 = (short) r.nextInt();
byte b1 = (byte) r.nextInt();
double d1 = r.nextDouble();
char c1 = (char) r.nextInt();
boolean z1 = r.nextBoolean();
long g1 = r.nextLong();
Object o1 = new Object();
float f1 = r.nextFloat();
final CompletableFuture<Object> res = a.melange(i1, s1, b1, d1, c1, z1, g1, o1, f1, blocker, 0);
assertFalse(res.isDone());
blocker.complete("x");
assertEquals(":", res.join());
a.assertFields(i1, s1, b1, d1, c1, z1, g1, o1, f1);
}
private static void test(ExecutorService executor) throws Throwable {
Thread.currentThread().setName("mainThread");
// ----------------------------------------------------------------
// supplyAsync tests
// ----------------------------------------------------------------
try {
CompletableFuture<String> cf = supplyAsync(() -> "a test string");
checkCompletedNormally(cf, cf.join());
cf = supplyAsync(() -> "a test string", commonPool());
checkCompletedNormally(cf, cf.join());
cf = supplyAsync(() -> "a test string", executor);
checkCompletedNormally(cf, cf.join());
cf =
supplyAsync(
() -> {
throw new RuntimeException();
});
checkCompletedExceptionally(cf);
cf =
supplyAsync(
() -> {
throw new RuntimeException();
},
commonPool());
checkCompletedExceptionally(cf);
cf =
supplyAsync(
() -> {
throw new RuntimeException();
},
executor);
checkCompletedExceptionally(cf);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// runAsync tests
// ----------------------------------------------------------------
try {
CompletableFuture<Void> cf = runAsync(() -> {});
checkCompletedNormally(cf, cf.join());
cf = runAsync(() -> {}, commonPool());
checkCompletedNormally(cf, cf.join());
cf = runAsync(() -> {}, executor);
checkCompletedNormally(cf, cf.join());
cf =
runAsync(
() -> {
throw new RuntimeException();
});
checkCompletedExceptionally(cf);
cf =
runAsync(
() -> {
throw new RuntimeException();
},
commonPool());
checkCompletedExceptionally(cf);
cf =
runAsync(
() -> {
throw new RuntimeException();
},
executor);
checkCompletedExceptionally(cf);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// explicit completion
// ----------------------------------------------------------------
try {
final Phaser phaser = new Phaser(1);
final int phase = phaser.getPhase();
CompletableFuture<Integer> cf;
cf =
supplyAsync(
() -> {
phaser.awaitAdvance(phase);
return 1;
});
cf.complete(2);
phaser.arrive();
checkCompletedNormally(cf, 2);
cf =
supplyAsync(
() -> {
phaser.awaitAdvance(phase + 1);
return 1;
});
cf.completeExceptionally(new Throwable());
phaser.arrive();
checkCompletedExceptionally(cf);
cf =
supplyAsync(
() -> {
phaser.awaitAdvance(phase + 2);
return 1;
});
cf.cancel(true);
phaser.arrive();
checkCompletedExceptionally(cf, true);
cf =
supplyAsync(
() -> {
phaser.awaitAdvance(phase + 3);
return 1;
});
check(cf.getNow(2) == 2);
phaser.arrive();
checkCompletedNormally(cf, 1);
check(cf.getNow(2) == 1);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// thenApplyXXX tests
// ----------------------------------------------------------------
try {
CompletableFuture<Integer> cf2;
CompletableFuture<String> cf1 = supplyAsync(() -> "a test string");
cf2 =
cf1.thenApply(
(x) -> {
if (x.equals("a test string")) return 1;
else return 0;
});
checkCompletedNormally(cf1, "a test string");
checkCompletedNormally(cf2, 1);
cf1 = supplyAsync(() -> "a test string");
cf2 =
cf1.thenApplyAsync(
(x) -> {
if (x.equals("a test string")) return 1;
else return 0;
});
checkCompletedNormally(cf1, "a test string");
checkCompletedNormally(cf2, 1);
cf1 = supplyAsync(() -> "a test string");
cf2 =
cf1.thenApplyAsync(
(x) -> {
if (x.equals("a test string")) return 1;
else return 0;
},
executor);
checkCompletedNormally(cf1, "a test string");
checkCompletedNormally(cf2, 1);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenApply(
(x) -> {
return 0;
});
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenApplyAsync(
(x) -> {
return 0;
});
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenApplyAsync(
(x) -> {
return 0;
},
executor);
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// thenAcceptXXX tests
// ----------------------------------------------------------------
try {
CompletableFuture<Void> cf2;
int before = atomicInt.get();
CompletableFuture<String> cf1 = supplyAsync(() -> "a test string");
cf2 =
cf1.thenAccept(
(x) -> {
if (x.equals("a test string")) {
atomicInt.incrementAndGet();
return;
}
throw new RuntimeException();
});
checkCompletedNormally(cf1, "a test string");
checkCompletedNormally(cf2, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 = supplyAsync(() -> "a test string");
cf2 =
cf1.thenAcceptAsync(
(x) -> {
if (x.equals("a test string")) {
atomicInt.incrementAndGet();
return;
}
throw new RuntimeException();
});
checkCompletedNormally(cf1, "a test string");
checkCompletedNormally(cf2, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 = supplyAsync(() -> "a test string");
cf2 =
cf1.thenAcceptAsync(
(x) -> {
if (x.equals("a test string")) {
atomicInt.incrementAndGet();
return;
}
throw new RuntimeException();
},
executor);
checkCompletedNormally(cf1, "a test string");
checkCompletedNormally(cf2, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenAccept(
(x) -> {
atomicInt.incrementAndGet();
});
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
check(atomicInt.get() == before);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenAcceptAsync(
(x) -> {
atomicInt.incrementAndGet();
});
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
check(atomicInt.get() == before);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenAcceptAsync(
(x) -> {
atomicInt.incrementAndGet();
},
executor);
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
check(atomicInt.get() == before);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// thenRunXXX tests
// ----------------------------------------------------------------
try {
CompletableFuture<Void> cf2;
int before = atomicInt.get();
CompletableFuture<String> cf1 = supplyAsync(() -> "a test string");
cf2 =
cf1.thenRun(
() -> {
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf1, "a test string");
checkCompletedNormally(cf2, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 = supplyAsync(() -> "a test string");
cf2 =
cf1.thenRunAsync(
() -> {
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf1, "a test string");
checkCompletedNormally(cf2, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 = supplyAsync(() -> "a test string");
cf2 =
cf1.thenRunAsync(
() -> {
atomicInt.incrementAndGet();
},
executor);
checkCompletedNormally(cf1, "a test string");
checkCompletedNormally(cf2, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenRun(
() -> {
atomicInt.incrementAndGet();
});
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
check(atomicInt.get() == before);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenRunAsync(
() -> {
atomicInt.incrementAndGet();
});
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
check(atomicInt.get() == before);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenRunAsync(
() -> {
atomicInt.incrementAndGet();
},
executor);
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
check(atomicInt.get() == before);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// thenCombineXXX tests
// ----------------------------------------------------------------
try {
CompletableFuture<Integer> cf3;
CompletableFuture<Integer> cf1 = supplyAsync(() -> 1);
CompletableFuture<Integer> cf2 = supplyAsync(() -> 1);
cf3 =
cf1.thenCombine(
cf2,
(x, y) -> {
return x + y;
});
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 1);
checkCompletedNormally(cf3, 2);
cf1 = supplyAsync(() -> 1);
cf2 = supplyAsync(() -> 1);
cf3 =
cf1.thenCombineAsync(
cf2,
(x, y) -> {
return x + y;
});
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 1);
checkCompletedNormally(cf3, 2);
cf1 = supplyAsync(() -> 1);
cf2 = supplyAsync(() -> 1);
cf3 =
cf1.thenCombineAsync(
cf2,
(x, y) -> {
return x + y;
},
executor);
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 1);
checkCompletedNormally(cf3, 2);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 = supplyAsync(() -> 1);
cf3 =
cf1.thenCombine(
cf2,
(x, y) -> {
return 0;
});
checkCompletedExceptionally(cf1);
checkCompletedNormally(cf2, 1);
checkCompletedExceptionally(cf3);
cf1 = supplyAsync(() -> 1);
cf2 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf1.thenCombineAsync(
cf2,
(x, y) -> {
return 0;
});
checkCompletedNormally(cf1, 1);
checkCompletedExceptionally(cf2);
checkCompletedExceptionally(cf3);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf1.thenCombineAsync(
cf2,
(x, y) -> {
return 0;
},
executor);
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
checkCompletedExceptionally(cf3);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// thenAcceptBothXXX tests
// ----------------------------------------------------------------
try {
CompletableFuture<Void> cf3;
int before = atomicInt.get();
CompletableFuture<Integer> cf1 = supplyAsync(() -> 1);
CompletableFuture<Integer> cf2 = supplyAsync(() -> 1);
cf3 =
cf1.thenAcceptBoth(
cf2,
(x, y) -> {
check(x + y == 2);
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 1);
checkCompletedNormally(cf3, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 = supplyAsync(() -> 1);
cf2 = supplyAsync(() -> 1);
cf3 =
cf1.thenAcceptBothAsync(
cf2,
(x, y) -> {
check(x + y == 2);
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 1);
checkCompletedNormally(cf3, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 = supplyAsync(() -> 1);
cf2 = supplyAsync(() -> 1);
cf3 =
cf1.thenAcceptBothAsync(
cf2,
(x, y) -> {
check(x + y == 2);
atomicInt.incrementAndGet();
},
executor);
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 1);
checkCompletedNormally(cf3, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 = supplyAsync(() -> 1);
cf3 =
cf1.thenAcceptBoth(
cf2,
(x, y) -> {
atomicInt.incrementAndGet();
});
checkCompletedExceptionally(cf1);
checkCompletedNormally(cf2, 1);
checkCompletedExceptionally(cf3);
check(atomicInt.get() == before);
cf1 = supplyAsync(() -> 1);
cf2 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf1.thenAcceptBothAsync(
cf2,
(x, y) -> {
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf1, 1);
checkCompletedExceptionally(cf2);
checkCompletedExceptionally(cf3);
check(atomicInt.get() == before);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf1.thenAcceptBothAsync(
cf2,
(x, y) -> {
atomicInt.incrementAndGet();
},
executor);
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
checkCompletedExceptionally(cf3);
check(atomicInt.get() == before);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// runAfterBothXXX tests
// ----------------------------------------------------------------
try {
CompletableFuture<Void> cf3;
int before = atomicInt.get();
CompletableFuture<Integer> cf1 = supplyAsync(() -> 1);
CompletableFuture<Integer> cf2 = supplyAsync(() -> 1);
cf3 =
cf1.runAfterBoth(
cf2,
() -> {
check(cf1.isDone());
check(cf2.isDone());
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 1);
checkCompletedNormally(cf3, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
CompletableFuture<Integer> cfa = supplyAsync(() -> 1);
CompletableFuture<Integer> cfb = supplyAsync(() -> 1);
cf3 =
cfa.runAfterBothAsync(
cfb,
() -> {
check(cfa.isDone());
check(cfb.isDone());
atomicInt.incrementAndGet();
});
checkCompletedNormally(cfa, 1);
checkCompletedNormally(cfb, 1);
checkCompletedNormally(cf3, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
CompletableFuture<Integer> cfx = supplyAsync(() -> 1);
CompletableFuture<Integer> cfy = supplyAsync(() -> 1);
cf3 =
cfy.runAfterBothAsync(
cfx,
() -> {
check(cfx.isDone());
check(cfy.isDone());
atomicInt.incrementAndGet();
},
executor);
checkCompletedNormally(cfx, 1);
checkCompletedNormally(cfy, 1);
checkCompletedNormally(cf3, null);
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
CompletableFuture<Integer> cf4 =
supplyAsync(
() -> {
throw new RuntimeException();
});
CompletableFuture<Integer> cf5 = supplyAsync(() -> 1);
cf3 =
cf5.runAfterBothAsync(
cf4,
() -> {
atomicInt.incrementAndGet();
},
executor);
checkCompletedExceptionally(cf4);
checkCompletedNormally(cf5, 1);
checkCompletedExceptionally(cf3);
check(atomicInt.get() == before);
before = atomicInt.get();
cf4 = supplyAsync(() -> 1);
cf5 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf5.runAfterBothAsync(
cf4,
() -> {
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf4, 1);
checkCompletedExceptionally(cf5);
checkCompletedExceptionally(cf3);
check(atomicInt.get() == before);
before = atomicInt.get();
cf4 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf5 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf5.runAfterBoth(
cf4,
() -> {
atomicInt.incrementAndGet();
});
checkCompletedExceptionally(cf4);
checkCompletedExceptionally(cf5);
checkCompletedExceptionally(cf3);
check(atomicInt.get() == before);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// applyToEitherXXX tests
// ----------------------------------------------------------------
try {
CompletableFuture<Integer> cf3;
CompletableFuture<Integer> cf1 = supplyAsync(() -> 1);
CompletableFuture<Integer> cf2 = supplyAsync(() -> 2);
cf3 =
cf1.applyToEither(
cf2,
(x) -> {
check(x == 1 || x == 2);
return x;
});
checkCompletedNormally(cf3, new Object[] {1, 2});
check(cf1.isDone() || cf2.isDone());
cf1 = supplyAsync(() -> 1);
cf2 = supplyAsync(() -> 2);
cf3 =
cf1.applyToEitherAsync(
cf2,
(x) -> {
check(x == 1 || x == 2);
return x;
});
checkCompletedNormally(cf3, new Object[] {1, 2});
check(cf1.isDone() || cf2.isDone());
cf1 = supplyAsync(() -> 1);
cf2 = supplyAsync(() -> 2);
cf3 =
cf1.applyToEitherAsync(
cf2,
(x) -> {
check(x == 1 || x == 2);
return x;
},
executor);
checkCompletedNormally(cf3, new Object[] {1, 2});
check(cf1.isDone() || cf2.isDone());
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 = supplyAsync(() -> 2);
cf3 =
cf1.applyToEither(
cf2,
(x) -> {
check(x == 2);
return x;
});
try {
check(cf3.join() == 2);
} catch (CompletionException x) {
pass();
}
check(cf3.isDone());
check(cf1.isDone() || cf2.isDone());
cf1 = supplyAsync(() -> 1);
cf2 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf1.applyToEitherAsync(
cf2,
(x) -> {
check(x == 1);
return x;
});
try {
check(cf3.join() == 1);
} catch (CompletionException x) {
pass();
}
check(cf3.isDone());
check(cf1.isDone() || cf2.isDone());
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf1.applyToEitherAsync(
cf2,
(x) -> {
fail();
return x;
});
checkCompletedExceptionally(cf3);
check(cf1.isDone() || cf2.isDone());
final Phaser cf3Done = new Phaser(2);
cf1 =
supplyAsync(
() -> {
cf3Done.arriveAndAwaitAdvance();
return 1;
});
cf2 = supplyAsync(() -> 2);
cf3 =
cf1.applyToEither(
cf2,
(x) -> {
check(x == 2);
return x;
});
checkCompletedNormally(cf3, 2);
checkCompletedNormally(cf2, 2);
check(!cf1.isDone());
cf3Done.arrive();
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf3, 2);
cf1 = supplyAsync(() -> 1);
cf2 =
supplyAsync(
() -> {
cf3Done.arriveAndAwaitAdvance();
return 2;
});
cf3 =
cf1.applyToEitherAsync(
cf2,
(x) -> {
check(x == 1);
return x;
});
checkCompletedNormally(cf3, 1);
checkCompletedNormally(cf1, 1);
check(!cf2.isDone());
cf3Done.arrive();
checkCompletedNormally(cf2, 2);
checkCompletedNormally(cf3, 1);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// acceptEitherXXX tests
// ----------------------------------------------------------------
try {
CompletableFuture<Void> cf3;
int before = atomicInt.get();
CompletableFuture<Integer> cf1 = supplyAsync(() -> 1);
CompletableFuture<Integer> cf2 = supplyAsync(() -> 2);
cf3 =
cf1.acceptEither(
cf2,
(x) -> {
check(x == 1 || x == 2);
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf3, null);
check(cf1.isDone() || cf2.isDone());
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 = supplyAsync(() -> 1);
cf2 = supplyAsync(() -> 2);
cf3 =
cf1.acceptEitherAsync(
cf2,
(x) -> {
check(x == 1 || x == 2);
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf3, null);
check(cf1.isDone() || cf2.isDone());
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 = supplyAsync(() -> 1);
cf2 = supplyAsync(() -> 2);
cf3 =
cf2.acceptEitherAsync(
cf1,
(x) -> {
check(x == 1 || x == 2);
atomicInt.incrementAndGet();
},
executor);
checkCompletedNormally(cf3, null);
check(cf1.isDone() || cf2.isDone());
check(atomicInt.get() == (before + 1));
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 = supplyAsync(() -> 2);
cf3 =
cf2.acceptEitherAsync(
cf1,
(x) -> {
check(x == 2);
},
executor);
try {
check(cf3.join() == null);
} catch (CompletionException x) {
pass();
}
check(cf3.isDone());
check(cf1.isDone() || cf2.isDone());
cf1 = supplyAsync(() -> 1);
cf2 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf2.acceptEitherAsync(
cf1,
(x) -> {
check(x == 1);
});
try {
check(cf3.join() == null);
} catch (CompletionException x) {
pass();
}
check(cf3.isDone());
check(cf1.isDone() || cf2.isDone());
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf2.acceptEitherAsync(
cf1,
(x) -> {
fail();
});
checkCompletedExceptionally(cf3);
check(cf1.isDone() || cf2.isDone());
final Phaser cf3Done = new Phaser(2);
cf1 =
supplyAsync(
() -> {
cf3Done.arriveAndAwaitAdvance();
return 1;
});
cf2 = supplyAsync(() -> 2);
cf3 =
cf1.acceptEither(
cf2,
(x) -> {
check(x == 2);
});
checkCompletedNormally(cf3, null);
checkCompletedNormally(cf2, 2);
check(!cf1.isDone());
cf3Done.arrive();
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf3, null);
cf1 = supplyAsync(() -> 1);
cf2 =
supplyAsync(
() -> {
cf3Done.arriveAndAwaitAdvance();
return 2;
});
cf3 =
cf1.acceptEitherAsync(
cf2,
(x) -> {
check(x == 1);
});
checkCompletedNormally(cf3, null);
checkCompletedNormally(cf1, 1);
check(!cf2.isDone());
cf3Done.arrive();
checkCompletedNormally(cf2, 2);
checkCompletedNormally(cf3, null);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// runAfterEitherXXX tests
// ----------------------------------------------------------------
try {
CompletableFuture<Void> cf3;
int before = atomicInt.get();
CompletableFuture<Void> cf1 = runAsync(() -> {});
CompletableFuture<Void> cf2 = runAsync(() -> {});
cf3 =
cf1.runAfterEither(
cf2,
() -> {
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf3, null);
check(cf1.isDone() || cf2.isDone());
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 = runAsync(() -> {});
cf2 = runAsync(() -> {});
cf3 =
cf1.runAfterEitherAsync(
cf2,
() -> {
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf3, null);
check(cf1.isDone() || cf2.isDone());
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 = runAsync(() -> {});
cf2 = runAsync(() -> {});
cf3 =
cf2.runAfterEitherAsync(
cf1,
() -> {
atomicInt.incrementAndGet();
},
executor);
checkCompletedNormally(cf3, null);
check(cf1.isDone() || cf2.isDone());
check(atomicInt.get() == (before + 1));
before = atomicInt.get();
cf1 =
runAsync(
() -> {
throw new RuntimeException();
});
cf2 = runAsync(() -> {});
cf3 =
cf2.runAfterEither(
cf1,
() -> {
atomicInt.incrementAndGet();
});
try {
check(cf3.join() == null);
check(atomicInt.get() == (before + 1));
} catch (CompletionException x) {
pass();
}
check(cf3.isDone());
check(cf1.isDone() || cf2.isDone());
before = atomicInt.get();
cf1 = runAsync(() -> {});
cf2 =
runAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf1.runAfterEitherAsync(
cf2,
() -> {
atomicInt.incrementAndGet();
});
try {
check(cf3.join() == null);
check(atomicInt.get() == (before + 1));
} catch (CompletionException x) {
pass();
}
check(cf3.isDone());
check(cf1.isDone() || cf2.isDone());
before = atomicInt.get();
cf1 =
runAsync(
() -> {
throw new RuntimeException();
});
cf2 =
runAsync(
() -> {
throw new RuntimeException();
});
cf3 =
cf2.runAfterEitherAsync(
cf1,
() -> {
atomicInt.incrementAndGet();
},
executor);
checkCompletedExceptionally(cf3);
check(cf1.isDone() || cf2.isDone());
check(atomicInt.get() == before);
final Phaser cf3Done = new Phaser(2);
before = atomicInt.get();
cf1 =
runAsync(
() -> {
cf3Done.arriveAndAwaitAdvance();
});
cf2 = runAsync(() -> {});
cf3 =
cf1.runAfterEither(
cf2,
() -> {
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf3, null);
checkCompletedNormally(cf2, null);
check(!cf1.isDone());
check(atomicInt.get() == (before + 1));
cf3Done.arrive();
checkCompletedNormally(cf1, null);
checkCompletedNormally(cf3, null);
before = atomicInt.get();
cf1 = runAsync(() -> {});
cf2 =
runAsync(
() -> {
cf3Done.arriveAndAwaitAdvance();
});
cf3 =
cf1.runAfterEitherAsync(
cf2,
() -> {
atomicInt.incrementAndGet();
});
checkCompletedNormally(cf3, null);
checkCompletedNormally(cf1, null);
check(!cf2.isDone());
check(atomicInt.get() == (before + 1));
cf3Done.arrive();
checkCompletedNormally(cf2, null);
checkCompletedNormally(cf3, null);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// thenComposeXXX tests
// ----------------------------------------------------------------
try {
CompletableFuture<Integer> cf2;
CompletableFuture<Integer> cf1 = supplyAsync(() -> 1);
cf2 =
cf1.thenCompose(
(x) -> {
check(x == 1);
return CompletableFuture.completedFuture(2);
});
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 2);
cf1 = supplyAsync(() -> 1);
cf2 =
cf1.thenComposeAsync(
(x) -> {
check(x == 1);
return CompletableFuture.completedFuture(2);
});
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 2);
cf1 = supplyAsync(() -> 1);
cf2 =
cf1.thenComposeAsync(
(x) -> {
check(x == 1);
return CompletableFuture.completedFuture(2);
},
executor);
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 2);
int before = atomicInt.get();
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenCompose(
(x) -> {
atomicInt.incrementAndGet();
return CompletableFuture.completedFuture(2);
});
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
check(atomicInt.get() == before);
cf1 =
supplyAsync(
() -> {
throw new RuntimeException();
});
cf2 =
cf1.thenComposeAsync(
(x) -> {
atomicInt.incrementAndGet();
return CompletableFuture.completedFuture(2);
});
checkCompletedExceptionally(cf1);
checkCompletedExceptionally(cf2);
check(atomicInt.get() == before);
cf1 = supplyAsync(() -> 1);
cf2 =
cf1.thenComposeAsync(
(x) -> {
throw new RuntimeException();
},
executor);
checkCompletedNormally(cf1, 1);
checkCompletedExceptionally(cf2);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// anyOf tests
// ----------------------------------------------------------------
try {
CompletableFuture<Object> cf3;
for (int k = 0; k < 10; k++) {
CompletableFuture<Integer> cf1 = supplyAsync(() -> 1);
CompletableFuture<Integer> cf2 = supplyAsync(() -> 2);
cf3 = CompletableFuture.anyOf(cf1, cf2);
checkCompletedNormally(cf3, new Object[] {1, 2});
check(cf1.isDone() || cf2.isDone());
}
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// allOf tests
// ----------------------------------------------------------------
try {
CompletableFuture<?> cf3;
for (int k = 0; k < 10; k++) {
CompletableFuture<Integer>[] cfs =
(CompletableFuture<Integer>[]) Array.newInstance(CompletableFuture.class, 10);
for (int j = 0; j < 10; j++) {
final int v = j;
cfs[j] = supplyAsync(() -> v);
}
cf3 = CompletableFuture.allOf(cfs);
for (int j = 0; j < 10; j++) checkCompletedNormally(cfs[j], j);
checkCompletedNormally(cf3, null);
}
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// exceptionally tests
// ----------------------------------------------------------------
try {
CompletableFuture<Integer> cf2;
CompletableFuture<Integer> cf1 = supplyAsync(() -> 1);
cf2 =
cf1.exceptionally(
(t) -> {
fail("function should never be called");
return 2;
});
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 1);
final RuntimeException t = new RuntimeException();
cf1 =
supplyAsync(
() -> {
throw t;
});
cf2 =
cf1.exceptionally(
(x) -> {
check(x.getCause() == t);
return 2;
});
checkCompletedExceptionally(cf1);
checkCompletedNormally(cf2, 2);
} catch (Throwable t) {
unexpected(t);
}
// ----------------------------------------------------------------
// handle tests
// ----------------------------------------------------------------
try {
CompletableFuture<Integer> cf2;
CompletableFuture<Integer> cf1 = supplyAsync(() -> 1);
cf2 = cf1.handle((x, t) -> x + 1);
checkCompletedNormally(cf1, 1);
checkCompletedNormally(cf2, 2);
final RuntimeException ex = new RuntimeException();
cf1 =
supplyAsync(
() -> {
throw ex;
});
cf2 =
cf1.handle(
(x, t) -> {
check(t.getCause() == ex);
return 2;
});
checkCompletedExceptionally(cf1);
checkCompletedNormally(cf2, 2);
} catch (Throwable t) {
unexpected(t);
}
}