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author | Jason Zaugg <jzaugg@gmail.com> | 2014-12-18 13:57:26 +1000 |
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committer | Jason Zaugg <jzaugg@gmail.com> | 2014-12-18 13:57:26 +1000 |
commit | 41ae70758a8c5b841a8b63445f82bd056a0a964f (patch) | |
tree | 19413879ab94f946c0456e97a660fb86f179a5a8 /src/test/scala/scala/async/run/SyncOptimizationSpec.scala | |
parent | 61b4c183fa2392522051305ec12ab5f433cc09a7 (diff) | |
parent | 063492a14a004cb519f553a6cd30f8b3e41f0453 (diff) | |
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Merge pull request #98 from retronym/ticket/73
Make `f(await(completedFuture))` execute `f` synchronously
Diffstat (limited to 'src/test/scala/scala/async/run/SyncOptimizationSpec.scala')
-rw-r--r-- | src/test/scala/scala/async/run/SyncOptimizationSpec.scala | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/scala/scala/async/run/SyncOptimizationSpec.scala b/src/test/scala/scala/async/run/SyncOptimizationSpec.scala new file mode 100644 index 0000000..dd649f4 --- /dev/null +++ b/src/test/scala/scala/async/run/SyncOptimizationSpec.scala @@ -0,0 +1,28 @@ +package scala.async.run + +import org.junit.Test +import scala.async.Async._ +import scala.concurrent._ +import scala.concurrent.duration._ +import ExecutionContext.Implicits._ + +class SyncOptimizationSpec { + @Test + def awaitOnCompletedFutureRunsOnSameThread: Unit = { + + def stackDepth = Thread.currentThread().getStackTrace.size + + val future = async { + val thread1 = Thread.currentThread + val stackDepth1 = stackDepth + + val f = await(Future.successful(1)) + val thread2 = Thread.currentThread + val stackDepth2 = stackDepth + assert(thread1 == thread2) + assert(stackDepth1 == stackDepth2) + } + Await.result(future, 10.seconds) + } + +} |