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/**
* Tries to load a symbol for the `Foo$class` using Scala reflection.
* Since trait implementation classes do not get pickling information
* symbol for them should be created using fallback mechanism
* that exposes Java reflection information dressed up in
* a Scala symbol.
*/
object Test extends App with Outer {
import scala.reflect.{ClassTag, classTag}
import scala.reflect.runtime.universe._
import scala.reflect.runtime.{currentMirror => cm}
assert(cm.classSymbol(classTag[Foo].runtimeClass).info.decl(TermName("bar")).info ==
cm.classSymbol(classTag[Bar].runtimeClass).info.decl(TermName("foo")).info)
val s1 = implClass(classTag[Foo].runtimeClass)
assert(s1 != NoSymbol)
assert(s1.info != NoType)
assert(s1.companion.info != NoType)
assert(s1.companion.info.decl(TermName("bar")) != NoSymbol)
val s2 = implClass(classTag[Bar].runtimeClass)
assert(s2 != NoSymbol)
assert(s2.info != NoType)
assert(s2.companion.info != NoType)
assert(s2.companion.info.decl(TermName("foo")) != NoSymbol)
def implClass(clazz: Class[_]) = {
val implClass = Class.forName(clazz.getName + "$class")
cm.classSymbol(implClass)
}
}
trait Foo {
def bar = 1
}
trait Outer {
trait Bar {
def foo = 1
}
}
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