| author | skoppar |
| Tue, 28 Sep 2010 01:13:22 -0700 | |
| changeset 7031 | d77ff2048ad5 |
| permissions | -rw-r--r-- |
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7031
d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
diff
changeset
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1 |
Testcase shows default deserialisation of the Victim having two values for the same field. |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
diff
changeset
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2 |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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changeset
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3 |
Probably requires dual core to run successfully. |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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changeset
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4 |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
diff
changeset
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5 |
Reading thread is warmed up so that it can easily win the race for the demonstration, but this means we need to make the field volatile. |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
diff
changeset
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6 |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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changeset
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7 |
Typical output: |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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changeset
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8 |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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9 |
Victim@1551f60 BBBB |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
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10 |
Victim@1551f60 AAAA |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
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11 |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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12 |
The output when its fixed is, |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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13 |
Victim@1975b59 AAAA |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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14 |
Victim@1975b59 AAAA - The value is retained |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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15 |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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16 |
and when it is not fixed, it shows something like |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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17 |
Victim@173a10f AAAA |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
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18 |
Victim@173a10f BBBB - the value of the object gets set again and hence is different. This is a bug |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
skoppar
parents:
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19 |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
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20 |
Look at the |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
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21 |
AAAA AAAA |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
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22 |
and |
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d77ff2048ad5
6966692: defaultReadObject can set a field multiple times
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parents:
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23 |
AAAA BBBB |