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root/jsr166/jsr166/src/test/tck/FutureTaskTest.java
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Comparing jsr166/src/test/tck/FutureTaskTest.java (file contents):
Revision 1.42 by jsr166, Sat Feb 28 18:18:56 2015 UTC vs.
Revision 1.54 by jsr166, Sun Aug 11 22:29:26 2019 UTC

# Line 8 | Line 8
8  
9   import static java.util.concurrent.TimeUnit.MILLISECONDS;
10   import static java.util.concurrent.TimeUnit.NANOSECONDS;
11 – import static java.util.concurrent.TimeUnit.SECONDS;
11  
12   import java.util.ArrayList;
13   import java.util.List;
# Line 30 | Line 29 | import junit.framework.TestSuite;
29   public class FutureTaskTest extends JSR166TestCase {
30  
31      public static void main(String[] args) {
32 <        junit.textui.TestRunner.run(suite());
32 >        main(suite(), args);
33      }
34      public static Test suite() {
35          return new TestSuite(FutureTaskTest.class);
# Line 61 | Line 60 | public class FutureTaskTest extends JSR1
60              pf.run();
61              pf.runAndReset();
62              assertEquals(savedRunCount, pf.runCount());
63 +            Object r2 = null;
64              try {
65 <                assertSame(r, f.get());
65 >                r2 = f.get();
66              } catch (CancellationException t) {
67                  assertSame(exInfo, CancellationException.class);
68              } catch (ExecutionException t) {
# Line 70 | Line 70 | public class FutureTaskTest extends JSR1
70              } catch (Throwable t) {
71                  threadUnexpectedException(t);
72              }
73 +            if (exInfo == null)
74 +                assertSame(r, r2);
75              assertTrue(f.isDone());
76          }
77      }
# Line 102 | Line 104 | public class FutureTaskTest extends JSR1
104          }
105      }
106  
107 <    <T> void checkCompletedNormally(Future<T> f, T expected) {
107 >    <T> void checkCompletedNormally(Future<T> f, T expectedValue) {
108          checkIsDone(f);
109          assertFalse(f.isCancelled());
110  
111 +        T v1 = null, v2 = null;
112          try {
113 <            assertSame(expected, f.get());
114 <        } catch (Throwable fail) { threadUnexpectedException(fail); }
112 <        try {
113 <            assertSame(expected, f.get(5L, SECONDS));
113 >            v1 = f.get();
114 >            v2 = f.get(randomTimeout(), randomTimeUnit());
115          } catch (Throwable fail) { threadUnexpectedException(fail); }
116 +        assertSame(expectedValue, v1);
117 +        assertSame(expectedValue, v2);
118      }
119  
120      void checkCancelled(Future<?> f) {
# Line 125 | Line 128 | public class FutureTaskTest extends JSR1
128          } catch (Throwable fail) { threadUnexpectedException(fail); }
129  
130          try {
131 <            f.get(5L, SECONDS);
131 >            f.get(randomTimeout(), randomTimeUnit());
132              shouldThrow();
133          } catch (CancellationException success) {
134          } catch (Throwable fail) { threadUnexpectedException(fail); }
# Line 151 | Line 154 | public class FutureTaskTest extends JSR1
154          } catch (Throwable fail) { threadUnexpectedException(fail); }
155  
156          try {
157 <            f.get(5L, SECONDS);
157 >            f.get(randomTimeout(), randomTimeUnit());
158              shouldThrow();
159          } catch (ExecutionException success) {
160              assertSame(t, success.getCause());
# Line 267 | Line 270 | public class FutureTaskTest extends JSR1
270          for (int i = 0; i < 3; i++) {
271              assertTrue(task.runAndReset());
272              checkNotDone(task);
273 <            assertEquals(i+1, task.runCount());
274 <            assertEquals(i+1, task.runAndResetCount());
273 >            assertEquals(i + 1, task.runCount());
274 >            assertEquals(i + 1, task.runAndResetCount());
275              assertEquals(0, task.setCount());
276              assertEquals(0, task.setExceptionCount());
277          }
# Line 284 | Line 287 | public class FutureTaskTest extends JSR1
287              for (int i = 0; i < 3; i++) {
288                  assertFalse(task.runAndReset());
289                  assertEquals(0, task.runCount());
290 <                assertEquals(i+1, task.runAndResetCount());
290 >                assertEquals(i + 1, task.runAndResetCount());
291                  assertEquals(0, task.setCount());
292                  assertEquals(0, task.setExceptionCount());
293              }
# Line 417 | Line 420 | public class FutureTaskTest extends JSR1
420                          delay(LONG_DELAY_MS);
421                          shouldThrow();
422                      } catch (InterruptedException success) {}
423 +                    assertFalse(Thread.interrupted());
424                  }});
425  
426          Thread t = newStartedThread(task);
# Line 460 | Line 464 | public class FutureTaskTest extends JSR1
464          try {
465              task.cancel(true);
466              shouldThrow();
467 <        } catch (SecurityException expected) {}
467 >        } catch (SecurityException success) {}
468  
469          // We failed to deliver the interrupt, but the world retains
470          // its sanity, as if we had done task.cancel(false)
# Line 750 | Line 754 | public class FutureTaskTest extends JSR1
754          final FutureTask task = new FutureTask(new NoOpCallable());
755          Thread t = newStartedThread(new CheckedRunnable() {
756              public void realRun() throws Exception {
757 +                long startTime = System.nanoTime();
758 +
759                  Thread.currentThread().interrupt();
760                  try {
761 <                    task.get(2*LONG_DELAY_MS, MILLISECONDS);
761 >                    task.get(randomTimeout(), randomTimeUnit());
762                      shouldThrow();
763                  } catch (InterruptedException success) {}
764                  assertFalse(Thread.interrupted());
765  
766                  pleaseInterrupt.countDown();
767                  try {
768 <                    task.get(2*LONG_DELAY_MS, MILLISECONDS);
768 >                    task.get(LONG_DELAY_MS, MILLISECONDS);
769                      shouldThrow();
770                  } catch (InterruptedException success) {}
771                  assertFalse(Thread.interrupted());
772 +
773 +                assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
774              }});
775  
776          await(pleaseInterrupt);
# Line 836 | Line 844 | public class FutureTaskTest extends JSR1
844          }
845      }
846  
847 +    /**
848 +     * toString indicates current completion state
849 +     */
850 +    public void testToString_incomplete() {
851 +        FutureTask<String> f = new FutureTask<>(() -> "");
852 +        assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
853 +        if (testImplementationDetails)
854 +            assertTrue(f.toString().startsWith(
855 +                               identityString(f) + "[Not completed, task ="));
856 +    }
857 +
858 +    public void testToString_normal() {
859 +        FutureTask<String> f = new FutureTask<>(() -> "");
860 +        f.run();
861 +        assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
862 +        if (testImplementationDetails)
863 +            assertEquals(identityString(f) + "[Completed normally]",
864 +                         f.toString());
865 +    }
866 +
867 +    public void testToString_exception() {
868 +        FutureTask<String> f = new FutureTask<>(
869 +                () -> { throw new ArithmeticException(); });
870 +        f.run();
871 +        assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
872 +        if (testImplementationDetails)
873 +            assertTrue(f.toString().startsWith(
874 +                               identityString(f) + "[Completed exceptionally: "));
875 +    }
876 +
877 +    public void testToString_cancelled() {
878 +        for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
879 +            FutureTask<String> f = new FutureTask<>(() -> "");
880 +            assertTrue(f.cancel(mayInterruptIfRunning));
881 +            assertTrue(f.toString().matches(".*\\[.*Cancelled.*\\]"));
882 +            if (testImplementationDetails)
883 +                assertEquals(identityString(f) + "[Cancelled]",
884 +                             f.toString());
885 +        }
886 +    }
887 +
888   }

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