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author | phaller <hallerp@gmail.com> | 2012-10-31 16:45:42 +0100 |
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committer | phaller <hallerp@gmail.com> | 2012-11-02 11:09:44 +0100 |
commit | f22998d343c01951254fc2020731986fb3219ff0 (patch) | |
tree | b5ae469b65156d3f4d3453dac213bfe6499cb985 /test/pending/run/fallback0/MinimalScalaTest.scala | |
parent | c15af267fc7ed5dc7ef40428d738dd5679606f66 (diff) | |
download | scala-async-f22998d343c01951254fc2020731986fb3219ff0.tar.gz scala-async-f22998d343c01951254fc2020731986fb3219ff0.tar.bz2 scala-async-f22998d343c01951254fc2020731986fb3219ff0.zip |
Fix for #1861: Add fall-back to CPS for all unsupported uses of await
Diffstat (limited to 'test/pending/run/fallback0/MinimalScalaTest.scala')
-rw-r--r-- | test/pending/run/fallback0/MinimalScalaTest.scala | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/test/pending/run/fallback0/MinimalScalaTest.scala b/test/pending/run/fallback0/MinimalScalaTest.scala new file mode 100644 index 0000000..91de1fc --- /dev/null +++ b/test/pending/run/fallback0/MinimalScalaTest.scala @@ -0,0 +1,102 @@ +import language.reflectiveCalls +import language.postfixOps +import language.implicitConversions + +import scala.reflect.{ ClassTag, classTag } + +import scala.collection.mutable +import scala.concurrent.{ Future, Awaitable, CanAwait } +import java.util.concurrent.{ TimeoutException, CountDownLatch, TimeUnit } +import scala.concurrent.duration.Duration + + + +trait Output { + val buffer = new StringBuilder + + def bufferPrintln(a: Any): Unit = buffer.synchronized { + buffer.append(a.toString + "\n") + } +} + + +trait MinimalScalaTest extends Output { + + val throwables = mutable.ArrayBuffer[Throwable]() + + def check() { + if (throwables.nonEmpty) println(buffer.toString) + } + + implicit def stringops(s: String) = new { + + def should[U](snippets: =>U): U = { + bufferPrintln(s + " should:") + snippets + } + + def in[U](snippet: =>U): Unit = { + try { + bufferPrintln("- " + s) + snippet + bufferPrintln("[OK] Test passed.") + } catch { + case e: Throwable => + bufferPrintln("[FAILED] " + e) + bufferPrintln(e.getStackTrace().mkString("\n")) + throwables += e + } + } + + } + + implicit def objectops(obj: Any) = new { + + def mustBe(other: Any) = assert(obj == other, obj + " is not " + other) + def mustEqual(other: Any) = mustBe(other) + + } + + def intercept[T <: Throwable: ClassTag](body: =>Any): T = { + try { + body + throw new Exception("Exception of type %s was not thrown".format(classTag[T])) + } catch { + case t: Throwable => + if (classTag[T].runtimeClass != t.getClass) throw t + else t.asInstanceOf[T] + } + } + + def checkType[T: ClassTag, S](in: Future[T], refclasstag: ClassTag[S]): Boolean = classTag[T] == refclasstag +} + + +object TestLatch { + val DefaultTimeout = Duration(5, TimeUnit.SECONDS) + + def apply(count: Int = 1) = new TestLatch(count) +} + + +class TestLatch(count: Int = 1) extends Awaitable[Unit] { + private var latch = new CountDownLatch(count) + + def countDown() = latch.countDown() + def isOpen: Boolean = latch.getCount == 0 + def open() = while (!isOpen) countDown() + def reset() = latch = new CountDownLatch(count) + + @throws(classOf[TimeoutException]) + def ready(atMost: Duration)(implicit permit: CanAwait) = { + val opened = latch.await(atMost.toNanos, TimeUnit.NANOSECONDS) + if (!opened) throw new TimeoutException("Timeout of %s." format (atMost.toString)) + this + } + + @throws(classOf[Exception]) + def result(atMost: Duration)(implicit permit: CanAwait): Unit = { + ready(atMost) + } + +} |