Nathan Maves
Wed, 23 Dec 2009 15:22:46 -0800
Dan, What release did you check out? What does your env look like? OS? Java version?
I have not seen a test failing in any of the beta builds.
Nathan
On Wed, Dec 23, 2009 at 11:30 AM, Dan Forward
<dan-nab...@forwardhome.com> wrote:
>
> I just checked out the latest code for iBATIS 3 and discovered that a unit
> test fails while building.
>
> ------------------------------------------------------------
> Tests run: 4, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 5.006 sec
> <<< FAILURE!
> shouldDemonstrateObjectsBeingCollectedAsNeeded(org.apache.ibatis.cache.SoftCacheTest)
> Time elapsed: 4.96 sec <<< FAILURE!
> java.lang.AssertionError:
> at org.junit.Assert.fail(Assert.java:71)
> at org.junit.Assert.assertTrue(Assert.java:34)
> at org.junit.Assert.assertTrue(Assert.java:43)
> at
> org.apache.ibatis.cache.SoftCacheTest.shouldDemonstrateObjectsBeingCollectedAsNeeded(SoftCacheTest.java:21)
> ------------------------------------------------------------
>
> It seems that this test attempts to fill the cache beyond the limits of
> available memory, then checks whether the size of the cache is smaller than
> the number of items added. The cache is filled with 300,000 byte arrays that
> are 5001 bytes in size.
>
> I set the limit to 3,000,000 and told the loop to break as soon as the size
> of the cache was less than the number entered, and discovered that it
> happened after 326,315 entries and approximately 6 seconds on my machine.
> The test I used is below.
>
> @Test
> public void shouldDemonstrateObjectsBeingCollectedAsNeeded() throws
> Exception {
> final int N = 3000000;
> SoftCache cache = new SoftCache(new PerpetualCache("default"));
> for (int i = 0; i < N; i++) {
> byte[] array = new byte[5001]; //waste a bunch of memory
> array[5000] = 1;
> cache.putObject(i, array);
> Object value = cache.getObject(i);
> if (cache.getSize() < i + 1) {
> System.out.println("Cache exceeded with " + (i + 1) + "
> entries.");
> break;
> }
> }
> assertTrue(cache.getSize() < N);
> }
>
> --
> View this message in context:
> http://old.nabble.com/SoftCacheTest-is-Failing-tp26905687p26905687.html
> Sent from the iBATIS - Dev mailing list archive at Nabble.com.
>
>
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