Hi Joerg,
I just tried it on my box (linux, suse 9.3, 2.6.11.4-21.9-smp
kernel) and I don't have a problem; I did slightly modify the
test to run it standalone:
public class Test {
public static final void main(String[] args) throws Exception {
long last = System.currentTimeMillis();
System.out.println("start is " + last);
for (int i = 0; i < 50000; i++) {
long now = System.currentTimeMillis();
assert(now >= last);
last = now;
}
System.out.println("end is " + last);
}
}
Cheers,
- Filip
> Hi folks,
>
> I have written a generator for commons-id, that is based in the end on the
> system clock. Unfortunately I have sporadic failures in Gump that I cannot
> explain. I developed this on a Windows box, but had now a chance for a
> test
> with Linux. Suddenly I have also sporadic failing tests. First I thought
> my
> algorithm is flawed, but then I wrote this little unit test:
>
>
> public void testSystemTimeIsIncreasing() {
> long last = System.currentTimeMillis();
> for (int i = 0; i < 50000; i++) {
> long now = System.currentTimeMillis();
> assertTrue("Iteration " + i, now >= last);
> last = now;
> }
> }
>
>
> Believe it or not, this test will quite always fail within the first 10000
> iterations on my Linux box. So how does this test behave on your boxes?
> Please also note OS and JDK ...
>
> - Jörg
>
>
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