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import scala.tools.partest._
object Test extends DirectTest {
def code = ???
def library = """
import scala.reflect.runtime.universe._
trait Library {
type T
implicit val tt: TypeTag[T]
}
"""
def compileLibrary() = {
val classpath = List(sys.props("partest.lib"), sys.props("partest.reflect")) mkString sys.props("path.separator")
compileString(newCompiler("-cp", classpath, "-d", testOutput.path))(library)
}
def app = """
trait App extends Library {
// tries to create a manifest from a type tag without having scala-reflect.jar on the classpath
// even though it's possible to convert a type tag into a manifest, this will fail
// because conversion requires classes from scala-reflect.jar
//
// in this test we make sure that the compiler doesn't crash
// but just displays several missing class file errors and an unavailable implicit message
manifest[T]
}
"""
def compileApp() = {
val classpath = List(sys.props("partest.lib"), testOutput.path) mkString sys.props("path.separator")
compileString(newCompiler("-cp", classpath, "-d", testOutput.path))(app)
}
def show(): Unit = {
val prevErr = System.err
val baos = new java.io.ByteArrayOutputStream();
System.setErr(new java.io.PrintStream(baos));
compileLibrary();
compileApp();
// we should get bad symbolic reference errors, because we're trying to use an implicit that can't be unpickled
// but we don't know the number of these errors and their order, so I just ignore them all
baos.toString.split("\n") filter (!_.startsWith("error: bad symbolic reference")) foreach println
System.setErr(prevErr)
}
}
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