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Diffstat (limited to 'test')
-rw-r--r-- | test/files/run/lambda-serialization.scala | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/files/run/lambda-serialization.scala b/test/files/run/lambda-serialization.scala new file mode 100644 index 0000000000..46b26d7c5e --- /dev/null +++ b/test/files/run/lambda-serialization.scala @@ -0,0 +1,35 @@ +import java.io.{ByteArrayInputStream, ObjectInputStream, ObjectOutputStream, ByteArrayOutputStream} + +object Test { + def main(args: Array[String]): Unit = { + roundTrip + } + + def roundTrip(): Unit = { + val c = new Capture("Capture") + val lambda = (p: Param) => ("a", p, c) + val reconstituted1 = serializeDeserialize(lambda).asInstanceOf[Object => Any] + val p = new Param + assert(reconstituted1.apply(p) == ("a", p, c)) + val reconstituted2 = serializeDeserialize(lambda).asInstanceOf[Object => Any] + assert(reconstituted1.getClass == reconstituted2.getClass) + + val reconstituted3 = serializeDeserialize(reconstituted1) + assert(reconstituted3.apply(p) == ("a", p, c)) + + val specializedLambda = (p: Int) => List(p, c).length + assert(serializeDeserialize(specializedLambda).apply(42) == 2) + assert(serializeDeserialize(serializeDeserialize(specializedLambda)).apply(42) == 2) + } + + def serializeDeserialize[T <: AnyRef](obj: T) = { + val buffer = new ByteArrayOutputStream + val out = new ObjectOutputStream(buffer) + out.writeObject(obj) + val in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray)) + in.readObject.asInstanceOf[T] + } +} + +case class Capture(s: String) extends Serializable +class Param |