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author | Antonio Cunei <antonio.cunei@epfl.ch> | 2009-05-15 15:44:54 +0000 |
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committer | Antonio Cunei <antonio.cunei@epfl.ch> | 2009-05-15 15:44:54 +0000 |
commit | 10830eaae2955766378369b8d1bcc0e6963b9b7f (patch) | |
tree | 595d0d162d94eda17062d4d13710378930b7ac7f /test/files/jvm/sync-var.scala | |
parent | fbf991833d5ec0d9890ac1e7df9f53209e313552 (diff) | |
download | scala-10830eaae2955766378369b8d1bcc0e6963b9b7f.tar.gz scala-10830eaae2955766378369b8d1bcc0e6963b9b7f.tar.bz2 scala-10830eaae2955766378369b8d1bcc0e6963b9b7f.zip |
1.4-related cleanup and reorganization.
Removed a bunch of now useless 1.4 code, merged
back jvm5-specific partest tests into the
general jvm tests, documentation updates.
Diffstat (limited to 'test/files/jvm/sync-var.scala')
-rw-r--r-- | test/files/jvm/sync-var.scala | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/files/jvm/sync-var.scala b/test/files/jvm/sync-var.scala new file mode 100644 index 0000000000..aa6ae9fa34 --- /dev/null +++ b/test/files/jvm/sync-var.scala @@ -0,0 +1,53 @@ +import java.util.concurrent._ +import java.util.concurrent.atomic._ + +object Test { def main(args: Array[String]) { + +val n = 10000 +val i = new AtomicInteger(n) +val j = new AtomicInteger(n) +val sum = new AtomicInteger + +val q = new scala.concurrent.SyncVar[Int] + +val producers = (1 to 3).force map { z => new Thread { + override def run() { + var again = true + while (again) { + val x = i.getAndDecrement() + if (x > 0) + q put x + else + again = false + } + } +} } + +val summers = (1 to 7).force map { z => new Thread { + override def run() { + val x = j.decrementAndGet() + if (x >= 0) { + sum addAndGet q.take() + } + if (x > 0) { + run() + } else { + // done + } + } +} } + +summers foreach { _.start() } +producers foreach { _.start() } + +summers foreach { _.join() } + +val got = sum.get +val expected = (n + 1) * n / 2 +println(got + " " + expected + " " + (got == expected)) + +producers foreach { _.join() } + +} } + +// vim: set ts=2 sw=2 et: |