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root/jsr166/jsr166/src/test/tck/CompletableFutureTest.java
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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.98 by jsr166, Wed Dec 31 19:05:42 2014 UTC vs.
Revision 1.99 by jsr166, Wed Jan 7 07:59:20 2015 UTC

# Line 2994 | Line 2994 | public class CompletableFutureTest exten
2994          checkCancelled(f);
2995      }}
2996  
2997 +    /**
2998 +     * thenCompose result completes exceptionally if the result of the action does
2999 +     */
3000 +    public void testThenCompose_actionReturnsFailingFuture() {
3001 +        for (ExecutionMode m : ExecutionMode.values())
3002 +        for (int order = 0; order < 6; order++)
3003 +        for (Integer v1 : new Integer[] { 1, null })
3004 +    {
3005 +        final CFException ex = new CFException();
3006 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3007 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
3008 +        final CompletableFuture<Integer> h;
3009 +        // Test all permutations of orders
3010 +        switch (order) {
3011 +        case 0:
3012 +            assertTrue(f.complete(v1));
3013 +            assertTrue(g.completeExceptionally(ex));
3014 +            h = m.thenCompose(f, (x -> g));
3015 +            break;
3016 +        case 1:
3017 +            assertTrue(f.complete(v1));
3018 +            h = m.thenCompose(f, (x -> g));
3019 +            assertTrue(g.completeExceptionally(ex));
3020 +            break;
3021 +        case 2:
3022 +            assertTrue(g.completeExceptionally(ex));
3023 +            assertTrue(f.complete(v1));
3024 +            h = m.thenCompose(f, (x -> g));
3025 +            break;
3026 +        case 3:
3027 +            assertTrue(g.completeExceptionally(ex));
3028 +            h = m.thenCompose(f, (x -> g));
3029 +            assertTrue(f.complete(v1));
3030 +            break;
3031 +        case 4:
3032 +            h = m.thenCompose(f, (x -> g));
3033 +            assertTrue(f.complete(v1));
3034 +            assertTrue(g.completeExceptionally(ex));
3035 +            break;
3036 +        case 5:
3037 +            h = m.thenCompose(f, (x -> g));
3038 +            assertTrue(f.complete(v1));
3039 +            assertTrue(g.completeExceptionally(ex));
3040 +            break;
3041 +        default: throw new AssertionError();
3042 +        }
3043 +
3044 +        checkCompletedExceptionally(g, ex);
3045 +        checkCompletedWithWrappedException(h, ex);
3046 +        checkCompletedNormally(f, v1);
3047 +    }}
3048 +
3049      // other static methods
3050  
3051      /**

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