diff options
Diffstat (limited to 'test/files/run/si5374.scala')
-rw-r--r-- | test/files/run/si5374.scala | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/test/files/run/si5374.scala b/test/files/run/si5374.scala new file mode 100644 index 0000000000..9b1671e795 --- /dev/null +++ b/test/files/run/si5374.scala @@ -0,0 +1,76 @@ + + + +import collection.mutable.ListBuffer +import java.io._ + + + +object Test { + + def main(args: Array[String]) { + ticketExample() + emptyListBuffer() + list() + legacyList() + objectWithMultipleLists() + } + + def inAndOut[T <: AnyRef](obj: T): T = { + val baos = new ByteArrayOutputStream + val oos = new ObjectOutputStream(baos) + oos.writeObject( obj ) + val bais = new ByteArrayInputStream( baos.toByteArray ) + val ois = new ObjectInputStream(bais) + ois.readObject.asInstanceOf[T] + } + + def ticketExample() { + val lb = inAndOut(ListBuffer(1, 2, 3)) + val lb2 = ListBuffer[Int]() ++= lb + + lb2 ++= List(1) + lb ++= List(1) + println(lb) + println(lb2) + } + + def emptyListBuffer() { + val lb = inAndOut(ListBuffer[Int]()) + + println(lb) + } + + def list() { + val l = inAndOut(List(1, 2, 3, 4, 5)) + + println(l) + } + + // this byte array corresponds to what List(1, 2, 3) used to be serialized to prior to this fix + val listBytes = Array[Byte](-84, -19, 0, 5, 115, 114, 0, 39, 115, 99, 97, 108, 97, 46, 99, 111, 108, 108, 101, 99, 116, 105, 111, 110, 46, 105, 109, 109, 117, 116, 97, 98, 108, 101, 46, 36, 99, 111, 108, 111, 110, 36, 99, 111, 108, 111, 110, -118, 92, 99, 91, -10, -40, -7, 109, 3, 0, 2, 76, 0, 43, 115, 99, 97, 108, 97, 36, 99, 111, 108, 108, 101, 99, 116, 105, 111, 110, 36, 105, 109, 109, 117, 116, 97, 98, 108, 101, 36, 36, 99, 111, 108, 111, 110, 36, 99, 111, 108, 111, 110, 36, 36, 104, 100, 116, 0, 18, 76, 106, 97, 118, 97, 47, 108, 97, 110, 103, 47, 79, 98, 106, 101, 99, 116, 59, 76, 0, 2, 116, 108, 116, 0, 33, 76, 115, 99, 97, 108, 97, 47, 99, 111, 108, 108, 101, 99, 116, 105, 111, 110, 47, 105, 109, 109, 117, 116, 97, 98, 108, 101, 47, 76, 105, 115, 116, 59, 120, 112, 115, 114, 0, 17, 106, 97, 118, 97, 46, 108, 97, 110, 103, 46, 73, 110, 116, 101, 103, 101, 114, 18, -30, -96, -92, -9, -127, -121, 56, 2, 0, 1, 73, 0, 5, 118, 97, 108, 117, 101, 120, 114, 0, 16, 106, 97, 118, 97, 46, 108, 97, 110, 103, 46, 78, 117, 109, 98, 101, 114, -122, -84, -107, 29, 11, -108, -32, -117, 2, 0, 0, 120, 112, 0, 0, 0, 1, 115, 113, 0, 126, 0, 4, 0, 0, 0, 2, 115, 113, 0, 126, 0, 4, 0, 0, 0, 3, 115, 114, 0, 44, 115, 99, 97, 108, 97, 46, 99, 111, 108, 108, 101, 99, 116, 105, 111, 110, 46, 105, 109, 109, 117, 116, 97, 98, 108, 101, 46, 76, 105, 115, 116, 83, 101, 114, 105, 97, 108, 105, 122, 101, 69, 110, 100, 36, -118, 92, 99, 91, -9, 83, 11, 109, 2, 0, 0, 120, 112, 120) + + def legacyList() { + val bais = new ByteArrayInputStream(listBytes) + val ois = new ObjectInputStream(bais) + val l = ois.readObject() + + println(l) + } + + class Foo extends Serializable { + val head = List(1, 2, 3) + val last = head.tail.tail + def structuralSharing: Boolean = head.tail.tail eq last + + assert(structuralSharing) + } + + def objectWithMultipleLists() { + val foo = inAndOut(new Foo) + + if (foo.structuralSharing) println("ok") + else println("no structural sharing") + } + +} |