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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.61 by jsr166, Wed Jun 4 04:34:49 2014 UTC vs.
Revision 1.63 by jsr166, Fri Jun 6 16:54:16 2014 UTC

# Line 320 | Line 320 | public class CompletableFutureTest exten
320          checkCompletedNormally(f, "test");
321      }
322  
323 <    static final class IntegerSupplier implements Supplier<Integer> {
324 <        final ExecutionMode m;
323 >    abstract class CheckedAction {
324          int invocationCount = 0;
325 +        final ExecutionMode m;
326 +        CheckedAction(ExecutionMode m) { this.m = m; }
327 +        void invoked() {
328 +            m.checkExecutionMode();
329 +            assertEquals(0, invocationCount++);
330 +        }
331 +        void assertNotInvoked() { assertEquals(0, invocationCount); }
332 +        void assertInvoked() { assertEquals(1, invocationCount); }
333 +    }
334 +
335 +    abstract class CheckedIntegerAction extends CheckedAction {
336 +        Integer value;
337 +        CheckedIntegerAction(ExecutionMode m) { super(m); }
338 +        void assertValue(Integer expected) {
339 +            assertInvoked();
340 +            assertEquals(expected, value);
341 +        }
342 +    }
343 +
344 +    class IntegerSupplier extends CheckedAction
345 +        implements Supplier<Integer>
346 +    {
347          final Integer value;
348          IntegerSupplier(ExecutionMode m, Integer value) {
349 <            this.m = m;
349 >            super(m);
350              this.value = value;
351          }
352          public Integer get() {
353 <            m.checkExecutionMode();
333 <            invocationCount++;
353 >            invoked();
354              return value;
355          }
356      }
# Line 340 | Line 360 | public class CompletableFutureTest exten
360          return (x == null) ? null : x + 1;
361      }
362  
363 <    static final class IncAction implements Consumer<Integer> {
364 <        int invocationCount = 0;
365 <        Integer value;
363 >    class IncAction extends CheckedIntegerAction
364 >        implements Consumer<Integer>
365 >    {
366 >        IncAction(ExecutionMode m) { super(m); }
367          public void accept(Integer x) {
368 <            invocationCount++;
368 >            invoked();
369              value = inc(x);
370          }
371      }
372 <    static final class IncFunction implements Function<Integer,Integer> {
373 <        final ExecutionMode m;
374 <        int invocationCount = 0;
375 <        Integer value;
376 <        IncFunction(ExecutionMode m) { this.m = m; }
372 >
373 >    class IncFunction extends CheckedIntegerAction
374 >        implements Function<Integer,Integer>
375 >    {
376 >        IncFunction(ExecutionMode m) { super(m); }
377          public Integer apply(Integer x) {
378 <            m.checkExecutionMode();
358 <            invocationCount++;
378 >            invoked();
379              return value = inc(x);
380          }
381      }
# Line 368 | Line 388 | public class CompletableFutureTest exten
388              - ((y == null) ? 99 : y.intValue());
389      }
390  
391 <    static final class SubtractAction implements BiConsumer<Integer, Integer> {
392 <        final ExecutionMode m;
393 <        int invocationCount = 0;
394 <        Integer value;
375 <        // Check this action was invoked exactly once when result is computed.
376 <        SubtractAction(ExecutionMode m) { this.m = m; }
391 >    class SubtractAction extends CheckedIntegerAction
392 >        implements BiConsumer<Integer, Integer>
393 >    {
394 >        SubtractAction(ExecutionMode m) { super(m); }
395          public void accept(Integer x, Integer y) {
396 <            m.checkExecutionMode();
379 <            invocationCount++;
396 >            invoked();
397              value = subtract(x, y);
398          }
399      }
400 <    static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
401 <        final ExecutionMode m;
402 <        int invocationCount = 0;
403 <        Integer value;
404 <        // Check this action was invoked exactly once when result is computed.
388 <        SubtractFunction(ExecutionMode m) { this.m = m; }
400 >
401 >    class SubtractFunction extends CheckedIntegerAction
402 >        implements BiFunction<Integer, Integer, Integer>
403 >    {
404 >        SubtractFunction(ExecutionMode m) { super(m); }
405          public Integer apply(Integer x, Integer y) {
406 <            m.checkExecutionMode();
391 <            invocationCount++;
406 >            invoked();
407              return value = subtract(x, y);
408          }
409      }
410  
411 <    static final class Noop implements Runnable {
412 <        final ExecutionMode m;
398 <        int invocationCount = 0;
399 <        Noop(ExecutionMode m) { this.m = m; }
411 >    class Noop extends CheckedAction implements Runnable {
412 >        Noop(ExecutionMode m) { super(m); }
413          public void run() {
414 <            m.checkExecutionMode();
402 <            invocationCount++;
414 >            invoked();
415          }
416      }
417  
418 <    static final class FailingSupplier implements Supplier<Integer> {
419 <        final ExecutionMode m;
420 <        int invocationCount = 0;
421 <        FailingSupplier(ExecutionMode m) { this.m = m; }
418 >    class FailingSupplier extends CheckedAction
419 >        implements Supplier<Integer>
420 >    {
421 >        FailingSupplier(ExecutionMode m) { super(m); }
422          public Integer get() {
423 <            m.checkExecutionMode();
412 <            invocationCount++;
423 >            invoked();
424              throw new CFException();
425          }
426      }
427 <    static final class FailingConsumer implements Consumer<Integer> {
428 <        final ExecutionMode m;
429 <        int invocationCount = 0;
430 <        FailingConsumer(ExecutionMode m) { this.m = m; }
427 >
428 >    class FailingConsumer extends CheckedIntegerAction
429 >        implements Consumer<Integer>
430 >    {
431 >        FailingConsumer(ExecutionMode m) { super(m); }
432          public void accept(Integer x) {
433 <            m.checkExecutionMode();
434 <            invocationCount++;
433 >            invoked();
434 >            value = x;
435              throw new CFException();
436          }
437      }
438 <    static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
439 <        final ExecutionMode m;
440 <        int invocationCount = 0;
441 <        FailingBiConsumer(ExecutionMode m) { this.m = m; }
438 >
439 >    class FailingBiConsumer extends CheckedIntegerAction
440 >        implements BiConsumer<Integer, Integer>
441 >    {
442 >        FailingBiConsumer(ExecutionMode m) { super(m); }
443          public void accept(Integer x, Integer y) {
444 <            m.checkExecutionMode();
445 <            invocationCount++;
444 >            invoked();
445 >            value = subtract(x, y);
446              throw new CFException();
447          }
448      }
449 <    static final class FailingFunction implements Function<Integer, Integer> {
450 <        final ExecutionMode m;
451 <        int invocationCount = 0;
452 <        FailingFunction(ExecutionMode m) { this.m = m; }
449 >
450 >    class FailingFunction extends CheckedIntegerAction
451 >        implements Function<Integer, Integer>
452 >    {
453 >        FailingFunction(ExecutionMode m) { super(m); }
454          public Integer apply(Integer x) {
455 <            m.checkExecutionMode();
456 <            invocationCount++;
455 >            invoked();
456 >            value = x;
457              throw new CFException();
458          }
459      }
460 <    static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
461 <        final ExecutionMode m;
462 <        int invocationCount = 0;
463 <        FailingBiFunction(ExecutionMode m) { this.m = m; }
460 >
461 >    class FailingBiFunction extends CheckedIntegerAction
462 >        implements BiFunction<Integer, Integer, Integer>
463 >    {
464 >        FailingBiFunction(ExecutionMode m) { super(m); }
465          public Integer apply(Integer x, Integer y) {
466 <            m.checkExecutionMode();
467 <            invocationCount++;
466 >            invoked();
467 >            value = subtract(x, y);
468              throw new CFException();
469          }
470      }
471 <    static final class FailingRunnable implements Runnable {
472 <        final ExecutionMode m;
473 <        int invocationCount = 0;
459 <        FailingRunnable(ExecutionMode m) { this.m = m; }
471 >
472 >    class FailingRunnable extends CheckedAction implements Runnable {
473 >        FailingRunnable(ExecutionMode m) { super(m); }
474          public void run() {
475 <            m.checkExecutionMode();
462 <            invocationCount++;
475 >            invoked();
476              throw new CFException();
477          }
478      }
479  
480 <    static final class CompletableFutureInc
481 <        implements Function<Integer, CompletableFuture<Integer>> {
482 <        final ExecutionMode m;
483 <        int invocationCount = 0;
484 <        CompletableFutureInc(ExecutionMode m) { this.m = m; }
480 >
481 >    class CompletableFutureInc extends CheckedIntegerAction
482 >        implements Function<Integer, CompletableFuture<Integer>>
483 >    {
484 >        CompletableFutureInc(ExecutionMode m) { super(m); }
485          public CompletableFuture<Integer> apply(Integer x) {
486 <            m.checkExecutionMode();
487 <            invocationCount++;
486 >            invoked();
487 >            value = x;
488              CompletableFuture<Integer> f = new CompletableFuture<>();
489              f.complete(inc(x));
490              return f;
491          }
492      }
493  
494 <    static final class FailingCompletableFutureFunction
495 <        implements Function<Integer, CompletableFuture<Integer>> {
496 <        final ExecutionMode m;
497 <        int invocationCount = 0;
485 <        FailingCompletableFutureFunction(ExecutionMode m) { this.m = m; }
494 >    class FailingCompletableFutureFunction extends CheckedIntegerAction
495 >        implements Function<Integer, CompletableFuture<Integer>>
496 >    {
497 >        FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
498          public CompletableFuture<Integer> apply(Integer x) {
499 <            m.checkExecutionMode();
500 <            invocationCount++;
499 >            invoked();
500 >            value = x;
501              throw new CFException();
502          }
503      }
# Line 997 | Line 1009 | public class CompletableFutureTest exten
1009          final CompletableFuture<Void> f = m.runAsync(r);
1010          assertNull(f.join());
1011          checkCompletedNormally(f, null);
1012 <        assertEquals(1, r.invocationCount);
1012 >        r.assertInvoked();
1013      }}
1014  
1015      /**
# Line 1013 | Line 1025 | public class CompletableFutureTest exten
1025          final FailingRunnable r = new FailingRunnable(m);
1026          final CompletableFuture<Void> f = m.runAsync(r);
1027          checkCompletedWithWrappedCFException(f);
1028 <        assertEquals(1, r.invocationCount);
1028 >        r.assertInvoked();
1029      }}
1030  
1031      /**
# Line 1031 | Line 1043 | public class CompletableFutureTest exten
1043          final CompletableFuture<Integer> f = m.supplyAsync(r);
1044          assertSame(v1, f.join());
1045          checkCompletedNormally(f, v1);
1046 <        assertEquals(1, r.invocationCount);
1046 >        r.assertInvoked();
1047      }}
1048  
1049      /**
# Line 1047 | Line 1059 | public class CompletableFutureTest exten
1059          FailingSupplier r = new FailingSupplier(m);
1060          CompletableFuture<Integer> f = m.supplyAsync(r);
1061          checkCompletedWithWrappedCFException(f);
1062 <        assertEquals(1, r.invocationCount);
1062 >        r.assertInvoked();
1063      }}
1064  
1065      // seq completion methods
# Line 1071 | Line 1083 | public class CompletableFutureTest exten
1083  
1084          checkCompletedNormally(g, null);
1085          checkCompletedNormally(f, v1);
1086 <        assertEquals(1, r.invocationCount);
1086 >        r.assertInvoked();
1087      }}
1088  
1089      /**
# Line 1094 | Line 1106 | public class CompletableFutureTest exten
1106  
1107          checkCompletedWithWrappedCFException(g, ex);
1108          checkCompletedWithWrappedCFException(f, ex);
1109 <        assertEquals(0, r.invocationCount);
1109 >        r.assertNotInvoked();
1110      }}
1111  
1112      /**
# Line 1116 | Line 1128 | public class CompletableFutureTest exten
1128  
1129          checkCompletedWithWrappedCancellationException(g);
1130          checkCancelled(f);
1131 <        assertEquals(0, r.invocationCount);
1131 >        r.assertNotInvoked();
1132      }}
1133  
1134      /**
# Line 1159 | Line 1171 | public class CompletableFutureTest exten
1171  
1172          checkCompletedNormally(g, inc(v1));
1173          checkCompletedNormally(f, v1);
1174 <        assertEquals(1, r.invocationCount);
1174 >        r.assertInvoked();
1175      }}
1176  
1177      /**
# Line 1182 | Line 1194 | public class CompletableFutureTest exten
1194  
1195          checkCompletedWithWrappedCFException(g, ex);
1196          checkCompletedWithWrappedCFException(f, ex);
1197 <        assertEquals(0, r.invocationCount);
1197 >        r.assertNotInvoked();
1198      }}
1199  
1200      /**
# Line 1204 | Line 1216 | public class CompletableFutureTest exten
1216  
1217          checkCompletedWithWrappedCancellationException(g);
1218          checkCancelled(f);
1219 <        assertEquals(0, r.invocationCount);
1219 >        r.assertNotInvoked();
1220      }}
1221  
1222      /**
# Line 1237 | Line 1249 | public class CompletableFutureTest exten
1249          for (Integer v1 : new Integer[] { 1, null })
1250      {
1251          final CompletableFuture<Integer> f = new CompletableFuture<>();
1252 <        final IncAction r = new IncAction();
1252 >        final IncAction r = new IncAction(m);
1253          if (!createIncomplete) f.complete(v1);
1254          final CompletableFuture<Void> g = m.thenAccept(f, r);
1255          if (createIncomplete) {
# Line 1247 | Line 1259 | public class CompletableFutureTest exten
1259  
1260          checkCompletedNormally(g, null);
1261          checkCompletedNormally(f, v1);
1262 <        assertEquals(1, r.invocationCount);
1263 <        assertEquals(inc(v1), r.value);
1262 >        r.assertInvoked();
1263 >        r.assertValue(inc(v1));
1264      }}
1265  
1266      /**
# Line 1261 | Line 1273 | public class CompletableFutureTest exten
1273      {
1274          final CFException ex = new CFException();
1275          final CompletableFuture<Integer> f = new CompletableFuture<>();
1276 <        final IncAction r = new IncAction();
1276 >        final IncAction r = new IncAction(m);
1277          if (!createIncomplete) f.completeExceptionally(ex);
1278          final CompletableFuture<Void> g = m.thenAccept(f, r);
1279          if (createIncomplete) {
# Line 1271 | Line 1283 | public class CompletableFutureTest exten
1283  
1284          checkCompletedWithWrappedCFException(g, ex);
1285          checkCompletedWithWrappedCFException(f, ex);
1286 <        assertEquals(0, r.invocationCount);
1286 >        r.assertNotInvoked();
1287      }}
1288  
1289      /**
# Line 1283 | Line 1295 | public class CompletableFutureTest exten
1295          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1296      {
1297          final CompletableFuture<Integer> f = new CompletableFuture<>();
1298 <        final IncAction r = new IncAction();
1298 >        final IncAction r = new IncAction(m);
1299          if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1300          final CompletableFuture<Void> g = m.thenAccept(f, r);
1301          if (createIncomplete) {
# Line 1293 | Line 1305 | public class CompletableFutureTest exten
1305  
1306          checkCompletedWithWrappedCancellationException(g);
1307          checkCancelled(f);
1308 <        assertEquals(0, r.invocationCount);
1308 >        r.assertNotInvoked();
1309      }}
1310  
1311      /**
# Line 1338 | Line 1350 | public class CompletableFutureTest exten
1350          final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1351          if (createIncomplete) {
1352              checkIncomplete(h);
1353 <            assertEquals(0, r.invocationCount);
1353 >            r.assertNotInvoked();
1354              if (!fFirst) f.complete(v1); else g.complete(v2);
1355          }
1356  
1357          checkCompletedNormally(h, subtract(v1, v2));
1358          checkCompletedNormally(f, v1);
1359          checkCompletedNormally(g, v2);
1360 <        assertEquals(1, r.invocationCount);
1360 >        r.assertInvoked();
1361      }}
1362  
1363      /**
# Line 1373 | Line 1385 | public class CompletableFutureTest exten
1385          }
1386  
1387          checkCompletedWithWrappedCFException(h, ex);
1388 <        assertEquals(0, r.invocationCount);
1388 >        r.assertNotInvoked();
1389          checkCompletedNormally(fFirst ? f : g, v1);
1390          checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1391      }}
# Line 1403 | Line 1415 | public class CompletableFutureTest exten
1415  
1416          checkCompletedWithWrappedCancellationException(h);
1417          checkCancelled(!fFirst ? f : g);
1418 <        assertEquals(0, r.invocationCount);
1418 >        r.assertNotInvoked();
1419          checkCompletedNormally(fFirst ? f : g, v1);
1420      }}
1421  
# Line 1455 | Line 1467 | public class CompletableFutureTest exten
1467          final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1468          if (createIncomplete) {
1469              checkIncomplete(h);
1470 <            assertEquals(0, r.invocationCount);
1470 >            r.assertNotInvoked();
1471              if (!fFirst) f.complete(v1); else g.complete(v2);
1472          }
1473  
1474          checkCompletedNormally(h, null);
1475 <        assertEquals(subtract(v1, v2), r.value);
1475 >        r.assertValue(subtract(v1, v2));
1476          checkCompletedNormally(f, v1);
1477          checkCompletedNormally(g, v2);
1478      }}
# Line 1490 | Line 1502 | public class CompletableFutureTest exten
1502          }
1503  
1504          checkCompletedWithWrappedCFException(h, ex);
1505 <        assertEquals(0, r.invocationCount);
1505 >        r.assertNotInvoked();
1506          checkCompletedNormally(fFirst ? f : g, v1);
1507          checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1508      }}
# Line 1520 | Line 1532 | public class CompletableFutureTest exten
1532  
1533          checkCompletedWithWrappedCancellationException(h);
1534          checkCancelled(!fFirst ? f : g);
1535 <        assertEquals(0, r.invocationCount);
1535 >        r.assertNotInvoked();
1536          checkCompletedNormally(fFirst ? f : g, v1);
1537      }}
1538  
# Line 1572 | Line 1584 | public class CompletableFutureTest exten
1584          final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1585          if (createIncomplete) {
1586              checkIncomplete(h);
1587 <            assertEquals(0, r.invocationCount);
1587 >            r.assertNotInvoked();
1588              if (!fFirst) f.complete(v1); else g.complete(v2);
1589          }
1590  
1591          checkCompletedNormally(h, null);
1592 <        assertEquals(1, r.invocationCount);
1592 >        r.assertInvoked();
1593          checkCompletedNormally(f, v1);
1594          checkCompletedNormally(g, v2);
1595      }}
# Line 1607 | Line 1619 | public class CompletableFutureTest exten
1619          }
1620  
1621          checkCompletedWithWrappedCFException(h, ex);
1622 <        assertEquals(0, r.invocationCount);
1622 >        r.assertNotInvoked();
1623          checkCompletedNormally(fFirst ? f : g, v1);
1624          checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1625      }}
# Line 1638 | Line 1650 | public class CompletableFutureTest exten
1650  
1651          checkCompletedWithWrappedCancellationException(h);
1652          checkCancelled(!fFirst ? f : g);
1653 <        assertEquals(0, r.invocationCount);
1653 >        r.assertNotInvoked();
1654          checkCompletedNormally(fFirst ? f : g, v1);
1655      }}
1656  
# Line 1653 | Line 1665 | public class CompletableFutureTest exten
1665      {
1666          final CompletableFuture<Integer> f = new CompletableFuture<>();
1667          final CompletableFuture<Integer> g = new CompletableFuture<>();
1668 <        final FailingRunnable r = new FailingRunnable(m);
1668 >        final FailingRunnable r1 = new FailingRunnable(m);
1669 >        final FailingRunnable r2 = new FailingRunnable(m);
1670  
1671 <        CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r);
1671 >        CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1672          if (fFirst) {
1673              f.complete(v1);
1674              g.complete(v2);
# Line 1663 | Line 1676 | public class CompletableFutureTest exten
1676              g.complete(v2);
1677              f.complete(v1);
1678          }
1679 <        CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r);
1679 >        CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1680  
1681          checkCompletedWithWrappedCFException(h1);
1682          checkCompletedWithWrappedCFException(h2);
# Line 1677 | Line 1690 | public class CompletableFutureTest exten
1690       */
1691      public void testApplyToEither_normalCompletion() {
1692          for (ExecutionMode m : ExecutionMode.values())
1680        for (boolean createIncomplete : new boolean[] { true, false })
1681        for (boolean fFirst : new boolean[] { true, false })
1682        for (Integer v1 : new Integer[] { 1, null })
1683        for (Integer v2 : new Integer[] { 2, null })
1684    {
1685        final CompletableFuture<Integer> f = new CompletableFuture<>();
1686        final CompletableFuture<Integer> g = new CompletableFuture<>();
1687        final IncFunction r = new IncFunction(m);
1688
1689        if (!createIncomplete)
1690            if (fFirst) f.complete(v1); else g.complete(v2);
1691        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1692        if (createIncomplete) {
1693            checkIncomplete(h);
1694            assertEquals(0, r.invocationCount);
1695            if (fFirst) f.complete(v1); else g.complete(v2);
1696        }
1697        checkCompletedNormally(h, inc(fFirst ? v1 : v2));
1698        if (!fFirst) f.complete(v1); else g.complete(v2);
1699
1700        checkCompletedNormally(f, v1);
1701        checkCompletedNormally(g, v2);
1702        checkCompletedNormally(h, inc(fFirst ? v1 : v2));
1703    }}
1704
1705    public void testApplyToEither_normalCompletionBothAvailable() {
1706        for (ExecutionMode m : ExecutionMode.values())
1707        for (boolean fFirst : new boolean[] { true, false })
1693          for (Integer v1 : new Integer[] { 1, null })
1694          for (Integer v2 : new Integer[] { 2, null })
1695      {
1696          final CompletableFuture<Integer> f = new CompletableFuture<>();
1697          final CompletableFuture<Integer> g = new CompletableFuture<>();
1698 <        final IncFunction r = new IncFunction(m);
1698 >        final IncFunction[] rs = new IncFunction[6];
1699 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1700  
1701 <        if (fFirst) {
1702 <            f.complete(v1);
1703 <            g.complete(v2);
1704 <        } else {
1705 <            g.complete(v2);
1706 <            f.complete(v1);
1707 <        }
1701 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1702 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1703 >        checkIncomplete(h0);
1704 >        checkIncomplete(h1);
1705 >        rs[0].assertNotInvoked();
1706 >        rs[1].assertNotInvoked();
1707 >        f.complete(v1);
1708 >        checkCompletedNormally(h0, inc(v1));
1709 >        checkCompletedNormally(h1, inc(v1));
1710 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1711 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1712 >        checkCompletedNormally(h2, inc(v1));
1713 >        checkCompletedNormally(h3, inc(v1));
1714 >        g.complete(v2);
1715  
1716 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1716 >        // unspecified behavior - both source completions available
1717 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1718 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1719 >        rs[4].assertValue(h4.join());
1720 >        rs[5].assertValue(h5.join());
1721 >        assertTrue(Objects.equals(inc(v1), h4.join()) ||
1722 >                   Objects.equals(inc(v2), h4.join()));
1723 >        assertTrue(Objects.equals(inc(v1), h5.join()) ||
1724 >                   Objects.equals(inc(v2), h5.join()));
1725  
1726          checkCompletedNormally(f, v1);
1727          checkCompletedNormally(g, v2);
1728 <
1729 <        // unspecified behavior
1730 <        assertTrue(Objects.equals(h.join(), inc(v1)) ||
1731 <                   Objects.equals(h.join(), inc(v2)));
1732 <        assertEquals(1, r.invocationCount);
1728 >        checkCompletedNormally(h0, inc(v1));
1729 >        checkCompletedNormally(h1, inc(v1));
1730 >        checkCompletedNormally(h2, inc(v1));
1731 >        checkCompletedNormally(h3, inc(v1));
1732 >        for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
1733      }}
1734  
1735      /**
1736       * applyToEither result completes exceptionally after exceptional
1737       * completion of either source
1738       */
1739 <    public void testApplyToEither_exceptionalCompletion1() {
1739 >    public void testApplyToEither_exceptionalCompletion() {
1740          for (ExecutionMode m : ExecutionMode.values())
1740        for (boolean createIncomplete : new boolean[] { true, false })
1741        for (boolean fFirst : new boolean[] { true, false })
1741          for (Integer v1 : new Integer[] { 1, null })
1742      {
1743          final CompletableFuture<Integer> f = new CompletableFuture<>();
1744          final CompletableFuture<Integer> g = new CompletableFuture<>();
1745          final CFException ex = new CFException();
1746 <        final IncFunction r = new IncFunction(m);
1746 >        final IncFunction[] rs = new IncFunction[6];
1747 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1748  
1749 <        if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex);
1750 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1751 <        if (createIncomplete) {
1752 <            checkIncomplete(h);
1753 <            assertEquals(0, r.invocationCount);
1754 <            (fFirst ? f : g).completeExceptionally(ex);
1755 <        }
1756 <
1757 <        checkCompletedWithWrappedCFException(h, ex);
1758 <        (!fFirst ? f : g).complete(v1);
1759 <
1760 <        assertEquals(0, r.invocationCount);
1761 <        checkCompletedNormally(!fFirst ? f : g, v1);
1762 <        checkCompletedWithWrappedCFException(fFirst ? f : g, ex);
1763 <        checkCompletedWithWrappedCFException(h, ex);
1764 <    }}
1765 <
1766 <    public void testApplyToEither_exceptionalCompletion2() {
1767 <        for (ExecutionMode m : ExecutionMode.values())
1768 <        for (boolean reverseArgs : new boolean[] { true, false })
1769 <        for (boolean fFirst : new boolean[] { true, false })
1770 <        for (Integer v1 : new Integer[] { 1, null })
1771 <    {
1772 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1773 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1774 <        final IncFunction r1 = new IncFunction(m);
1775 <        final IncFunction r2 = new IncFunction(m);
1776 <        final CFException ex = new CFException();
1777 <        final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1778 <        final CompletableFuture<Integer> k = (reverseArgs ? f : g);
1779 <        final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
1780 <        if (fFirst) {
1781 <            f.complete(v1);
1782 <            g.completeExceptionally(ex);
1783 <        } else {
1784 <            g.completeExceptionally(ex);
1785 <            f.complete(v1);
1786 <        }
1787 <        final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
1749 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1750 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1751 >        checkIncomplete(h0);
1752 >        checkIncomplete(h1);
1753 >        rs[0].assertNotInvoked();
1754 >        rs[1].assertNotInvoked();
1755 >        f.completeExceptionally(ex);
1756 >        checkCompletedWithWrappedCFException(h0, ex);
1757 >        checkCompletedWithWrappedCFException(h1, ex);
1758 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1759 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1760 >        checkCompletedWithWrappedCFException(h2, ex);
1761 >        checkCompletedWithWrappedCFException(h3, ex);
1762 >        g.complete(v1);
1763  
1764 <        // unspecified behavior
1764 >        // unspecified behavior - both source completions available
1765 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1766 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1767          try {
1768 <            assertEquals(inc(v1), h1.join());
1769 <            assertEquals(1, r1.invocationCount);
1768 >            assertEquals(inc(v1), h4.join());
1769 >            rs[4].assertInvoked();
1770          } catch (CompletionException ok) {
1771 <            checkCompletedWithWrappedCFException(h1, ex);
1772 <            assertEquals(0, r1.invocationCount);
1771 >            checkCompletedWithWrappedCFException(h4, ex);
1772 >            rs[4].assertNotInvoked();
1773          }
1797
1774          try {
1775 <            assertEquals(inc(v1), h2.join());
1776 <            assertEquals(1, r2.invocationCount);
1775 >            assertEquals(inc(v1), h5.join());
1776 >            rs[5].assertInvoked();
1777          } catch (CompletionException ok) {
1778 <            checkCompletedWithWrappedCFException(h2, ex);
1779 <            assertEquals(0, r2.invocationCount);
1778 >            checkCompletedWithWrappedCFException(h5, ex);
1779 >            rs[5].assertNotInvoked();
1780          }
1781  
1782 <        checkCompletedWithWrappedCFException(g, ex);
1783 <        checkCompletedNormally(f, v1);
1784 <    }}
1785 <
1786 <    /**
1787 <     * applyToEither result completes exceptionally if action does
1788 <     */
1789 <    public void testApplyToEither_actionFailed1() {
1814 <        for (ExecutionMode m : ExecutionMode.values())
1815 <        for (Integer v1 : new Integer[] { 1, null })
1816 <        for (Integer v2 : new Integer[] { 2, null })
1817 <    {
1818 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1819 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1820 <        final FailingFunction r = new FailingFunction(m);
1821 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1822 <
1823 <        f.complete(v1);
1824 <        checkCompletedWithWrappedCFException(h);
1825 <        g.complete(v2);
1826 <        checkCompletedNormally(f, v1);
1827 <        checkCompletedNormally(g, v2);
1828 <    }}
1829 <
1830 <    public void testApplyToEither_actionFailed2() {
1831 <        for (ExecutionMode m : ExecutionMode.values())
1832 <        for (Integer v1 : new Integer[] { 1, null })
1833 <        for (Integer v2 : new Integer[] { 2, null })
1834 <    {
1835 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1836 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1837 <        final FailingFunction r = new FailingFunction(m);
1838 <        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1839 <
1840 <        g.complete(v2);
1841 <        checkCompletedWithWrappedCFException(h);
1842 <        f.complete(v1);
1843 <        checkCompletedNormally(f, v1);
1844 <        checkCompletedNormally(g, v2);
1782 >        checkCompletedWithWrappedCFException(f, ex);
1783 >        checkCompletedNormally(g, v1);
1784 >        checkCompletedWithWrappedCFException(h0, ex);
1785 >        checkCompletedWithWrappedCFException(h1, ex);
1786 >        checkCompletedWithWrappedCFException(h2, ex);
1787 >        checkCompletedWithWrappedCFException(h3, ex);
1788 >        checkCompletedWithWrappedCFException(h4, ex);
1789 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
1790      }}
1791  
1792      /**
1793       * applyToEither result completes exceptionally if either source cancelled
1794       */
1795 <    public void testApplyToEither_sourceCancelled1() {
1795 >    public void testApplyToEither_sourceCancelled() {
1796          for (ExecutionMode m : ExecutionMode.values())
1797          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1853        for (boolean createIncomplete : new boolean[] { true, false })
1854        for (boolean fFirst : new boolean[] { true, false })
1855        for (Integer v1 : new Integer[] { 1, null })
1856    {
1857        final CompletableFuture<Integer> f = new CompletableFuture<>();
1858        final CompletableFuture<Integer> g = new CompletableFuture<>();
1859        final IncFunction r = new IncFunction(m);
1860
1861        if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
1862        final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1863        if (createIncomplete) {
1864            checkIncomplete(h);
1865            assertEquals(0, r.invocationCount);
1866            assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
1867        }
1868
1869        checkCompletedWithWrappedCancellationException(h);
1870        (!fFirst ? f : g).complete(v1);
1871
1872        assertEquals(0, r.invocationCount);
1873        checkCompletedNormally(!fFirst ? f : g, v1);
1874        checkCancelled(fFirst ? f : g);
1875        checkCompletedWithWrappedCancellationException(h);
1876    }}
1877
1878    public void testApplyToEither_sourceCancelled2() {
1879        for (ExecutionMode m : ExecutionMode.values())
1880        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1881        for (boolean reverseArgs : new boolean[] { true, false })
1882        for (boolean fFirst : new boolean[] { true, false })
1798          for (Integer v1 : new Integer[] { 1, null })
1799      {
1800          final CompletableFuture<Integer> f = new CompletableFuture<>();
1801          final CompletableFuture<Integer> g = new CompletableFuture<>();
1802 <        final IncFunction r1 = new IncFunction(m);
1803 <        final IncFunction r2 = new IncFunction(m);
1889 <        final CFException ex = new CFException();
1890 <        final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1891 <        final CompletableFuture<Integer> k = (reverseArgs ? f : g);
1802 >        final IncFunction[] rs = new IncFunction[6];
1803 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1804  
1805 <        final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
1806 <        if (fFirst) {
1807 <            f.complete(v1);
1808 <            assertTrue(g.cancel(mayInterruptIfRunning));
1809 <        } else {
1810 <            assertTrue(g.cancel(mayInterruptIfRunning));
1811 <            f.complete(v1);
1812 <        }
1813 <        final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
1805 >        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1806 >        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1807 >        checkIncomplete(h0);
1808 >        checkIncomplete(h1);
1809 >        rs[0].assertNotInvoked();
1810 >        rs[1].assertNotInvoked();
1811 >        f.cancel(mayInterruptIfRunning);
1812 >        checkCompletedWithWrappedCancellationException(h0);
1813 >        checkCompletedWithWrappedCancellationException(h1);
1814 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1815 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1816 >        checkCompletedWithWrappedCancellationException(h2);
1817 >        checkCompletedWithWrappedCancellationException(h3);
1818 >        g.complete(v1);
1819  
1820 <        // unspecified behavior
1820 >        // unspecified behavior - both source completions available
1821 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1822 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1823          try {
1824 <            assertEquals(inc(v1), h1.join());
1825 <            assertEquals(1, r1.invocationCount);
1824 >            assertEquals(inc(v1), h4.join());
1825 >            rs[4].assertInvoked();
1826          } catch (CompletionException ok) {
1827 <            checkCompletedWithWrappedCancellationException(h1);
1828 <            assertEquals(0, r1.invocationCount);
1827 >            checkCompletedWithWrappedCancellationException(h4);
1828 >            rs[4].assertNotInvoked();
1829          }
1911
1830          try {
1831 <            assertEquals(inc(v1), h2.join());
1832 <            assertEquals(1, r2.invocationCount);
1831 >            assertEquals(inc(v1), h5.join());
1832 >            rs[5].assertInvoked();
1833          } catch (CompletionException ok) {
1834 <            checkCompletedWithWrappedCancellationException(h2);
1835 <            assertEquals(0, r2.invocationCount);
1834 >            checkCompletedWithWrappedCancellationException(h5);
1835 >            rs[5].assertNotInvoked();
1836          }
1837  
1838 <        checkCancelled(g);
1839 <        checkCompletedNormally(f, v1);
1838 >        checkCancelled(f);
1839 >        checkCompletedNormally(g, v1);
1840 >        checkCompletedWithWrappedCancellationException(h0);
1841 >        checkCompletedWithWrappedCancellationException(h1);
1842 >        checkCompletedWithWrappedCancellationException(h2);
1843 >        checkCompletedWithWrappedCancellationException(h3);
1844 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
1845      }}
1846  
1847      /**
1848 <     * acceptEither result completes normally after normal completion
1926 <     * of either source
1848 >     * applyToEither result completes exceptionally if action does
1849       */
1850 <    public void testAcceptEither_normalCompletion1() {
1850 >    public void testApplyToEither_actionFailed() {
1851          for (ExecutionMode m : ExecutionMode.values())
1852          for (Integer v1 : new Integer[] { 1, null })
1853          for (Integer v2 : new Integer[] { 2, null })
1854      {
1855          final CompletableFuture<Integer> f = new CompletableFuture<>();
1856          final CompletableFuture<Integer> g = new CompletableFuture<>();
1857 <        final IncAction r = new IncAction();
1858 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1857 >        final FailingFunction[] rs = new FailingFunction[6];
1858 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1859  
1860 +        final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1861 +        final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1862          f.complete(v1);
1863 <        checkCompletedNormally(h, null);
1864 <        assertEquals(inc(v1), r.value);
1865 <        g.complete(v2);
1866 <
1867 <        checkCompletedNormally(f, v1);
1868 <        checkCompletedNormally(g, v2);
1869 <        checkCompletedNormally(h, null);
1946 <    }}
1947 <
1948 <    public void testAcceptEither_normalCompletion2() {
1949 <        for (ExecutionMode m : ExecutionMode.values())
1950 <        for (Integer v1 : new Integer[] { 1, null })
1951 <        for (Integer v2 : new Integer[] { 2, null })
1952 <    {
1953 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
1954 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
1955 <        final IncAction r = new IncAction();
1956 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1863 >        final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1864 >        final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1865 >        checkCompletedWithWrappedCFException(h0);
1866 >        checkCompletedWithWrappedCFException(h1);
1867 >        checkCompletedWithWrappedCFException(h2);
1868 >        checkCompletedWithWrappedCFException(h3);
1869 >        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
1870  
1871          g.complete(v2);
1872 <        checkCompletedNormally(h, null);
1873 <        assertEquals(inc(v2), r.value);
1874 <        f.complete(v1);
1872 >
1873 >        // unspecified behavior - both source completions available
1874 >        final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1875 >        final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1876 >
1877 >        checkCompletedWithWrappedCFException(h4);
1878 >        assertTrue(Objects.equals(v1, rs[4].value) ||
1879 >                   Objects.equals(v2, rs[4].value));
1880 >        checkCompletedWithWrappedCFException(h5);
1881 >        assertTrue(Objects.equals(v1, rs[5].value) ||
1882 >                   Objects.equals(v2, rs[5].value));
1883  
1884          checkCompletedNormally(f, v1);
1885          checkCompletedNormally(g, v2);
1965        checkCompletedNormally(h, null);
1886      }}
1887  
1888 <    public void testAcceptEither_normalCompletion3() {
1888 >    /**
1889 >     * acceptEither result completes normally after normal completion
1890 >     * of either source
1891 >     */
1892 >    public void testAcceptEither_normalCompletion() {
1893          for (ExecutionMode m : ExecutionMode.values())
1894          for (Integer v1 : new Integer[] { 1, null })
1895          for (Integer v2 : new Integer[] { 2, null })
1896      {
1897          final CompletableFuture<Integer> f = new CompletableFuture<>();
1898          final CompletableFuture<Integer> g = new CompletableFuture<>();
1899 <        final IncAction r = new IncAction();
1899 >        final IncAction[] rs = new IncAction[6];
1900 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncAction(m);
1901  
1902 +        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
1903 +        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
1904 +        checkIncomplete(h0);
1905 +        checkIncomplete(h1);
1906 +        rs[0].assertNotInvoked();
1907 +        rs[1].assertNotInvoked();
1908          f.complete(v1);
1909 +        checkCompletedNormally(h0, null);
1910 +        checkCompletedNormally(h1, null);
1911 +        rs[0].assertValue(inc(v1));
1912 +        rs[1].assertValue(inc(v1));
1913 +        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
1914 +        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
1915 +        checkCompletedNormally(h2, null);
1916 +        checkCompletedNormally(h3, null);
1917 +        rs[2].assertValue(inc(v1));
1918 +        rs[3].assertValue(inc(v1));
1919          g.complete(v2);
1979        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1920  
1921 <        checkCompletedNormally(h, null);
1921 >        // unspecified behavior - both source completions available
1922 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
1923 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
1924 >        checkCompletedNormally(h4, null);
1925 >        checkCompletedNormally(h5, null);
1926 >        assertTrue(Objects.equals(inc(v1), rs[4].value) ||
1927 >                   Objects.equals(inc(v2), rs[4].value));
1928 >        assertTrue(Objects.equals(inc(v1), rs[5].value) ||
1929 >                   Objects.equals(inc(v2), rs[5].value));
1930 >
1931          checkCompletedNormally(f, v1);
1932          checkCompletedNormally(g, v2);
1933 <
1934 <        // unspecified behavior
1935 <        assertTrue(Objects.equals(r.value, inc(v1)) ||
1936 <                   Objects.equals(r.value, inc(v2)));
1933 >        checkCompletedNormally(h0, null);
1934 >        checkCompletedNormally(h1, null);
1935 >        checkCompletedNormally(h2, null);
1936 >        checkCompletedNormally(h3, null);
1937 >        for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
1938      }}
1939  
1940      /**
1941       * acceptEither result completes exceptionally after exceptional
1942       * completion of either source
1943       */
1944 <    public void testAcceptEither_exceptionalCompletion1() {
1944 >    public void testAcceptEither_exceptionalCompletion() {
1945          for (ExecutionMode m : ExecutionMode.values())
1946          for (Integer v1 : new Integer[] { 1, null })
1947      {
1948          final CompletableFuture<Integer> f = new CompletableFuture<>();
1949          final CompletableFuture<Integer> g = new CompletableFuture<>();
2000        final IncAction r = new IncAction();
2001        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1950          final CFException ex = new CFException();
1951 +        final IncAction[] rs = new IncAction[6];
1952 +        for (int i = 0; i < rs.length; i++) rs[i] = new IncAction(m);
1953  
1954 +        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
1955 +        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
1956 +        checkIncomplete(h0);
1957 +        checkIncomplete(h1);
1958 +        rs[0].assertNotInvoked();
1959 +        rs[1].assertNotInvoked();
1960          f.completeExceptionally(ex);
1961 <        checkCompletedWithWrappedCFException(h, ex);
1962 <        g.complete(v1);
1963 <
1964 <        assertEquals(0, r.invocationCount);
1965 <        checkCompletedNormally(g, v1);
1966 <        checkCompletedWithWrappedCFException(f, ex);
2011 <        checkCompletedWithWrappedCFException(h, ex);
2012 <    }}
2013 <
2014 <    public void testAcceptEither_exceptionalCompletion2() {
2015 <        for (ExecutionMode m : ExecutionMode.values())
2016 <        for (Integer v1 : new Integer[] { 1, null })
2017 <    {
2018 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2019 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2020 <        final IncAction r = new IncAction();
2021 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2022 <        final CFException ex = new CFException();
1961 >        checkCompletedWithWrappedCFException(h0, ex);
1962 >        checkCompletedWithWrappedCFException(h1, ex);
1963 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
1964 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
1965 >        checkCompletedWithWrappedCFException(h2, ex);
1966 >        checkCompletedWithWrappedCFException(h3, ex);
1967  
1968 <        g.completeExceptionally(ex);
2025 <        checkCompletedWithWrappedCFException(h, ex);
2026 <        f.complete(v1);
2027 <
2028 <        assertEquals(0, r.invocationCount);
2029 <        checkCompletedNormally(f, v1);
2030 <        checkCompletedWithWrappedCFException(g, ex);
2031 <        checkCompletedWithWrappedCFException(h, ex);
2032 <    }}
2033 <
2034 <    public void testAcceptEither_exceptionalCompletion3() {
2035 <        for (ExecutionMode m : ExecutionMode.values())
2036 <        for (Integer v1 : new Integer[] { 1, null })
2037 <    {
2038 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2039 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2040 <        final IncAction r = new IncAction();
2041 <        final CFException ex = new CFException();
2042 <
2043 <        g.completeExceptionally(ex);
2044 <        f.complete(v1);
2045 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1968 >        g.complete(v1);
1969  
1970 <        // unspecified behavior
1971 <        Integer v;
1970 >        // unspecified behavior - both source completions available
1971 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
1972 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
1973          try {
1974 <            assertNull(h.join());
1975 <            assertEquals(1, r.invocationCount);
2052 <            assertEquals(inc(v1), r.value);
1974 >            assertNull(h4.join());
1975 >            rs[4].assertValue(inc(v1));
1976          } catch (CompletionException ok) {
1977 <            checkCompletedWithWrappedCFException(h, ex);
1978 <            assertEquals(0, r.invocationCount);
1977 >            checkCompletedWithWrappedCFException(h4, ex);
1978 >            rs[4].assertNotInvoked();
1979          }
2057
2058        checkCompletedWithWrappedCFException(g, ex);
2059        checkCompletedNormally(f, v1);
2060    }}
2061
2062    public void testAcceptEither_exceptionalCompletion4() {
2063        for (ExecutionMode m : ExecutionMode.values())
2064        for (Integer v1 : new Integer[] { 1, null })
2065    {
2066        final CompletableFuture<Integer> f = new CompletableFuture<>();
2067        final CompletableFuture<Integer> g = new CompletableFuture<>();
2068        final IncAction r = new IncAction();
2069        final CFException ex = new CFException();
2070
2071        f.completeExceptionally(ex);
2072        g.complete(v1);
2073        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2074
2075        // unspecified behavior
2076        Integer v;
1980          try {
1981 <            assertNull(h.join());
1982 <            assertEquals(1, r.invocationCount);
2080 <            assertEquals(inc(v1), r.value);
1981 >            assertNull(h5.join());
1982 >            rs[5].assertValue(inc(v1));
1983          } catch (CompletionException ok) {
1984 <            checkCompletedWithWrappedCFException(h, ex);
1985 <            assertEquals(0, r.invocationCount);
1984 >            checkCompletedWithWrappedCFException(h5, ex);
1985 >            rs[5].assertNotInvoked();
1986          }
1987  
1988          checkCompletedWithWrappedCFException(f, ex);
1989          checkCompletedNormally(g, v1);
1990 <    }}
1991 <
1992 <    /**
1993 <     * acceptEither result completes exceptionally if action does
1994 <     */
1995 <    public void testAcceptEither_actionFailed1() {
2094 <        for (ExecutionMode m : ExecutionMode.values())
2095 <        for (Integer v1 : new Integer[] { 1, null })
2096 <        for (Integer v2 : new Integer[] { 2, null })
2097 <    {
2098 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2099 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2100 <        final FailingConsumer r = new FailingConsumer(m);
2101 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2102 <
2103 <        f.complete(v1);
2104 <        checkCompletedWithWrappedCFException(h);
2105 <        g.complete(v2);
2106 <        checkCompletedNormally(f, v1);
2107 <        checkCompletedNormally(g, v2);
2108 <    }}
2109 <
2110 <    public void testAcceptEither_actionFailed2() {
2111 <        for (ExecutionMode m : ExecutionMode.values())
2112 <        for (Integer v1 : new Integer[] { 1, null })
2113 <        for (Integer v2 : new Integer[] { 2, null })
2114 <    {
2115 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2116 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2117 <        final FailingConsumer r = new FailingConsumer(m);
2118 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2119 <
2120 <        g.complete(v2);
2121 <        checkCompletedWithWrappedCFException(h);
2122 <        f.complete(v1);
2123 <        checkCompletedNormally(f, v1);
2124 <        checkCompletedNormally(g, v2);
1990 >        checkCompletedWithWrappedCFException(h0, ex);
1991 >        checkCompletedWithWrappedCFException(h1, ex);
1992 >        checkCompletedWithWrappedCFException(h2, ex);
1993 >        checkCompletedWithWrappedCFException(h3, ex);
1994 >        checkCompletedWithWrappedCFException(h4, ex);
1995 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
1996      }}
1997  
1998      /**
1999       * acceptEither result completes exceptionally if either source cancelled
2000       */
2001 <    public void testAcceptEither_sourceCancelled1() {
2001 >    public void testAcceptEither_sourceCancelled() {
2002          for (ExecutionMode m : ExecutionMode.values())
2003          for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2004          for (Integer v1 : new Integer[] { 1, null })
2005      {
2006          final CompletableFuture<Integer> f = new CompletableFuture<>();
2007          final CompletableFuture<Integer> g = new CompletableFuture<>();
2008 <        final IncAction r = new IncAction();
2009 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2008 >        final IncAction[] rs = new IncAction[6];
2009 >        for (int i = 0; i < rs.length; i++) rs[i] = new IncAction(m);
2010 >
2011 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2012 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2013 >        checkIncomplete(h0);
2014 >        checkIncomplete(h1);
2015 >        rs[0].assertNotInvoked();
2016 >        rs[1].assertNotInvoked();
2017 >        f.cancel(mayInterruptIfRunning);
2018 >        checkCompletedWithWrappedCancellationException(h0);
2019 >        checkCompletedWithWrappedCancellationException(h1);
2020 >        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2021 >        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2022 >        checkCompletedWithWrappedCancellationException(h2);
2023 >        checkCompletedWithWrappedCancellationException(h3);
2024  
2140        assertTrue(f.cancel(mayInterruptIfRunning));
2141        checkCompletedWithWrappedCancellationException(h);
2025          g.complete(v1);
2026  
2027 +        // unspecified behavior - both source completions available
2028 +        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2029 +        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2030 +        try {
2031 +            assertNull(h4.join());
2032 +            rs[4].assertValue(inc(v1));
2033 +        } catch (CompletionException ok) {
2034 +            checkCompletedWithWrappedCancellationException(h4);
2035 +            rs[4].assertNotInvoked();
2036 +        }
2037 +        try {
2038 +            assertNull(h5.join());
2039 +            rs[5].assertValue(inc(v1));
2040 +        } catch (CompletionException ok) {
2041 +            checkCompletedWithWrappedCancellationException(h5);
2042 +            rs[5].assertNotInvoked();
2043 +        }
2044 +
2045          checkCancelled(f);
2145        assertEquals(0, r.invocationCount);
2046          checkCompletedNormally(g, v1);
2047 <        checkCompletedWithWrappedCancellationException(h);
2047 >        checkCompletedWithWrappedCancellationException(h0);
2048 >        checkCompletedWithWrappedCancellationException(h1);
2049 >        checkCompletedWithWrappedCancellationException(h2);
2050 >        checkCompletedWithWrappedCancellationException(h3);
2051 >        for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2052      }}
2053  
2054 <    public void testAcceptEither_sourceCancelled2() {
2054 >    /**
2055 >     * acceptEither result completes exceptionally if action does
2056 >     */
2057 >    public void testAcceptEither_actionFailed() {
2058          for (ExecutionMode m : ExecutionMode.values())
2152        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2059          for (Integer v1 : new Integer[] { 1, null })
2060 +        for (Integer v2 : new Integer[] { 2, null })
2061      {
2062          final CompletableFuture<Integer> f = new CompletableFuture<>();
2063          final CompletableFuture<Integer> g = new CompletableFuture<>();
2064 <        final IncAction r = new IncAction();
2065 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2064 >        final FailingConsumer[] rs = new FailingConsumer[6];
2065 >        for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2066  
2067 <        assertTrue(g.cancel(mayInterruptIfRunning));
2068 <        checkCompletedWithWrappedCancellationException(h);
2067 >        final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2068 >        final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2069          f.complete(v1);
2070 +        final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2071 +        final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2072 +        checkCompletedWithWrappedCFException(h0);
2073 +        checkCompletedWithWrappedCFException(h1);
2074 +        checkCompletedWithWrappedCFException(h2);
2075 +        checkCompletedWithWrappedCFException(h3);
2076 +        for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2077  
2078 <        checkCancelled(g);
2165 <        assertEquals(0, r.invocationCount);
2166 <        checkCompletedNormally(f, v1);
2167 <        checkCompletedWithWrappedCancellationException(h);
2168 <    }}
2169 <
2170 <    public void testAcceptEither_sourceCancelled3() {
2171 <        for (ExecutionMode m : ExecutionMode.values())
2172 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2173 <        for (Integer v1 : new Integer[] { 1, null })
2174 <    {
2175 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2176 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2177 <        final IncAction r = new IncAction();
2178 <
2179 <        assertTrue(g.cancel(mayInterruptIfRunning));
2180 <        f.complete(v1);
2181 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2078 >        g.complete(v2);
2079  
2080 <        // unspecified behavior
2081 <        Integer v;
2082 <        try {
2083 <            assertNull(h.join());
2084 <            assertEquals(1, r.invocationCount);
2085 <            assertEquals(inc(v1), r.value);
2086 <        } catch (CompletionException ok) {
2087 <            checkCompletedWithWrappedCancellationException(h);
2088 <            assertEquals(0, r.invocationCount);
2089 <        }
2080 >        // unspecified behavior - both source completions available
2081 >        final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2082 >        final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2083 >
2084 >        checkCompletedWithWrappedCFException(h4);
2085 >        assertTrue(Objects.equals(v1, rs[4].value) ||
2086 >                   Objects.equals(v2, rs[4].value));
2087 >        checkCompletedWithWrappedCFException(h5);
2088 >        assertTrue(Objects.equals(v1, rs[5].value) ||
2089 >                   Objects.equals(v2, rs[5].value));
2090  
2194        checkCancelled(g);
2091          checkCompletedNormally(f, v1);
2092 <    }}
2197 <
2198 <    public void testAcceptEither_sourceCancelled4() {
2199 <        for (ExecutionMode m : ExecutionMode.values())
2200 <        for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2201 <        for (Integer v1 : new Integer[] { 1, null })
2202 <    {
2203 <        final CompletableFuture<Integer> f = new CompletableFuture<>();
2204 <        final CompletableFuture<Integer> g = new CompletableFuture<>();
2205 <        final IncAction r = new IncAction();
2206 <
2207 <        assertTrue(f.cancel(mayInterruptIfRunning));
2208 <        g.complete(v1);
2209 <        final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2210 <
2211 <        // unspecified behavior
2212 <        Integer v;
2213 <        try {
2214 <            assertNull(h.join());
2215 <            assertEquals(1, r.invocationCount);
2216 <            assertEquals(inc(v1), r.value);
2217 <        } catch (CompletionException ok) {
2218 <            checkCompletedWithWrappedCancellationException(h);
2219 <            assertEquals(0, r.invocationCount);
2220 <        }
2221 <
2222 <        checkCancelled(f);
2223 <        checkCompletedNormally(g, v1);
2092 >        checkCompletedNormally(g, v2);
2093      }}
2094  
2095      /**
# Line 2239 | Line 2108 | public class CompletableFutureTest exten
2108  
2109          f.complete(v1);
2110          checkCompletedNormally(h, null);
2111 <        assertEquals(1, r.invocationCount);
2111 >        r.assertInvoked();
2112          g.complete(v2);
2113  
2114          checkCompletedNormally(f, v1);
2115          checkCompletedNormally(g, v2);
2116          checkCompletedNormally(h, null);
2117 <        assertEquals(1, r.invocationCount);
2117 >        r.assertInvoked();
2118      }}
2119  
2120      public void testRunAfterEither_normalCompletion2() {
# Line 2260 | Line 2129 | public class CompletableFutureTest exten
2129  
2130          g.complete(v2);
2131          checkCompletedNormally(h, null);
2132 <        assertEquals(1, r.invocationCount);
2132 >        r.assertInvoked();
2133          f.complete(v1);
2134  
2135          checkCompletedNormally(f, v1);
2136          checkCompletedNormally(g, v2);
2137          checkCompletedNormally(h, null);
2138 <        assertEquals(1, r.invocationCount);
2138 >        r.assertInvoked();
2139          }}
2140  
2141      public void testRunAfterEither_normalCompletion3() {
# Line 2285 | Line 2154 | public class CompletableFutureTest exten
2154          checkCompletedNormally(h, null);
2155          checkCompletedNormally(f, v1);
2156          checkCompletedNormally(g, v2);
2157 <        assertEquals(1, r.invocationCount);
2157 >        r.assertInvoked();
2158      }}
2159  
2160      /**
# Line 2306 | Line 2175 | public class CompletableFutureTest exten
2175          checkCompletedWithWrappedCFException(h, ex);
2176          g.complete(v1);
2177  
2178 <        assertEquals(0, r.invocationCount);
2178 >        r.assertNotInvoked();
2179          checkCompletedNormally(g, v1);
2180          checkCompletedWithWrappedCFException(f, ex);
2181          checkCompletedWithWrappedCFException(h, ex);
# Line 2326 | Line 2195 | public class CompletableFutureTest exten
2195          checkCompletedWithWrappedCFException(h, ex);
2196          f.complete(v1);
2197  
2198 <        assertEquals(0, r.invocationCount);
2198 >        r.assertNotInvoked();
2199          checkCompletedNormally(f, v1);
2200          checkCompletedWithWrappedCFException(g, ex);
2201          checkCompletedWithWrappedCFException(h, ex);
# Line 2349 | Line 2218 | public class CompletableFutureTest exten
2218          Integer v;
2219          try {
2220              assertNull(h.join());
2221 <            assertEquals(1, r.invocationCount);
2221 >            r.assertInvoked();
2222          } catch (CompletionException ok) {
2223              checkCompletedWithWrappedCFException(h, ex);
2224 <            assertEquals(0, r.invocationCount);
2224 >            r.assertNotInvoked();
2225          }
2226  
2227          checkCompletedWithWrappedCFException(g, ex);
# Line 2376 | Line 2245 | public class CompletableFutureTest exten
2245          Integer v;
2246          try {
2247              assertNull(h.join());
2248 <            assertEquals(1, r.invocationCount);
2248 >            r.assertInvoked();
2249          } catch (CompletionException ok) {
2250              checkCompletedWithWrappedCFException(h, ex);
2251 <            assertEquals(0, r.invocationCount);
2251 >            r.assertNotInvoked();
2252          }
2253  
2254          checkCompletedWithWrappedCFException(f, ex);
# Line 2441 | Line 2310 | public class CompletableFutureTest exten
2310          g.complete(v1);
2311  
2312          checkCancelled(f);
2313 <        assertEquals(0, r.invocationCount);
2313 >        r.assertNotInvoked();
2314          checkCompletedNormally(g, v1);
2315          checkCompletedWithWrappedCancellationException(h);
2316      }}
# Line 2461 | Line 2330 | public class CompletableFutureTest exten
2330          f.complete(v1);
2331  
2332          checkCancelled(g);
2333 <        assertEquals(0, r.invocationCount);
2333 >        r.assertNotInvoked();
2334          checkCompletedNormally(f, v1);
2335          checkCompletedWithWrappedCancellationException(h);
2336      }}
# Line 2483 | Line 2352 | public class CompletableFutureTest exten
2352          Integer v;
2353          try {
2354              assertNull(h.join());
2355 <            assertEquals(1, r.invocationCount);
2355 >            r.assertInvoked();
2356          } catch (CompletionException ok) {
2357              checkCompletedWithWrappedCancellationException(h);
2358 <            assertEquals(0, r.invocationCount);
2358 >            r.assertNotInvoked();
2359          }
2360  
2361          checkCancelled(g);
# Line 2510 | Line 2379 | public class CompletableFutureTest exten
2379          Integer v;
2380          try {
2381              assertNull(h.join());
2382 <            assertEquals(1, r.invocationCount);
2382 >            r.assertInvoked();
2383          } catch (CompletionException ok) {
2384              checkCompletedWithWrappedCancellationException(h);
2385 <            assertEquals(0, r.invocationCount);
2385 >            r.assertNotInvoked();
2386          }
2387  
2388          checkCancelled(f);
# Line 2536 | Line 2405 | public class CompletableFutureTest exten
2405  
2406          checkCompletedNormally(g, inc(v1));
2407          checkCompletedNormally(f, v1);
2408 <        assertEquals(1, r.invocationCount);
2408 >        r.assertInvoked();
2409      }}
2410  
2411      /**
# Line 2556 | Line 2425 | public class CompletableFutureTest exten
2425  
2426          checkCompletedWithWrappedCFException(g, ex);
2427          checkCompletedWithWrappedCFException(f, ex);
2428 <        assertEquals(0, r.invocationCount);
2428 >        r.assertNotInvoked();
2429      }}
2430  
2431      /**

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