diff options
Diffstat (limited to 'test/files/run/t9390.scala')
-rw-r--r-- | test/files/run/t9390.scala | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/test/files/run/t9390.scala b/test/files/run/t9390.scala new file mode 100644 index 0000000000..8d7e1be557 --- /dev/null +++ b/test/files/run/t9390.scala @@ -0,0 +1,67 @@ +class C { + def methodLift1 = { + def isEven(c: Int) = c % 2 == 0 + val f: Int => Boolean = isEven + f + } + def methodLift2 = { + def isEven(c: Int) = c % 2 == 0 + def isEven0(c: Int) = isEven(c) + val f: Int => Boolean = isEven0 + f + } + + def methodLift3 = { + def isEven(c: Int) = {toString; c % 2 == 0} + def isEven0(c: Int) = isEven(c) + val f: Int => Boolean = isEven0 + f + } +} + +object Test { + def main(args: Array[String]): Unit = { + val c = new C + + { + val f = c.methodLift1 + assert(f(0)) + assert(!f(1)) + val f1 = serializeDeserialize(f) + assert(f1(0)) + assert(!f1(1)) + } + + + { + val f = c.methodLift2 + assert(f(0)) + assert(!f(1)) + val f1 = serializeDeserialize(f) + assert(f1(0)) + assert(!f1(1)) + } + + { + val f = c.methodLift3 + assert(f(0)) + assert(!f(1)) + try { + serializeDeserialize(this) + assert(false) + } catch { + case _: java.io.NotSerializableException => + // expected, the closure in methodLift3 must capture C which is not serializable + } + } + } + + def serializeDeserialize[T <: AnyRef](obj: T): T = { + import java.io._ + val buffer = new ByteArrayOutputStream + val out = new ObjectOutputStream(buffer) + out.writeObject(obj) + val in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray)) + in.readObject.asInstanceOf[T] + } +} |