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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 1.207 by jsr166, Sun Sep 23 02:06:28 2018 UTC vs.
Revision 1.211 by jsr166, Mon Sep 24 14:45:19 2018 UTC

# Line 3214 | Line 3214 | public class CompletableFutureTest exten
3214          r.assertInvoked();
3215      }}
3216  
3217 +    /**
3218 +     * exceptionallyCompose result completes exceptionally if the
3219 +     * result of the action does
3220 +     */
3221 +    public void testExceptionallyCompose_actionReturnsFailingFuture() {
3222 +        for (ExecutionMode m : ExecutionMode.values())
3223 +        for (int order = 0; order < 6; order++)
3224 +        for (Integer v1 : new Integer[] { 1, null })
3225 +    {
3226 +        final CFException ex0 = new CFException();
3227 +        final CFException ex = new CFException();
3228 +        final CompletableFuture<Integer> f = new CompletableFuture<>();
3229 +        final CompletableFuture<Integer> g = new CompletableFuture<>();
3230 +        final CompletableFuture<Integer> h;
3231 +        // Test all permutations of orders
3232 +        switch (order) {
3233 +        case 0:
3234 +            assertTrue(f.completeExceptionally(ex0));
3235 +            assertTrue(g.completeExceptionally(ex));
3236 +            h = m.exceptionallyCompose(f, (x -> g));
3237 +            break;
3238 +        case 1:
3239 +            assertTrue(f.completeExceptionally(ex0));
3240 +            h = m.exceptionallyCompose(f, (x -> g));
3241 +            assertTrue(g.completeExceptionally(ex));
3242 +            break;
3243 +        case 2:
3244 +            assertTrue(g.completeExceptionally(ex));
3245 +            assertTrue(f.completeExceptionally(ex0));
3246 +            h = m.exceptionallyCompose(f, (x -> g));
3247 +            break;
3248 +        case 3:
3249 +            assertTrue(g.completeExceptionally(ex));
3250 +            h = m.exceptionallyCompose(f, (x -> g));
3251 +            assertTrue(f.completeExceptionally(ex0));
3252 +            break;
3253 +        case 4:
3254 +            h = m.exceptionallyCompose(f, (x -> g));
3255 +            assertTrue(f.completeExceptionally(ex0));
3256 +            assertTrue(g.completeExceptionally(ex));
3257 +            break;
3258 +        case 5:
3259 +            h = m.exceptionallyCompose(f, (x -> g));
3260 +            assertTrue(f.completeExceptionally(ex0));
3261 +            assertTrue(g.completeExceptionally(ex));
3262 +            break;
3263 +        default: throw new AssertionError();
3264 +        }
3265 +
3266 +        checkCompletedExceptionally(g, ex);
3267 +        checkCompletedWithWrappedException(h, ex);
3268 +        checkCompletedExceptionally(f, ex0);
3269 +    }}
3270  
3271      // other static methods
3272  

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