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//############################################################################
// Test Java interaction with scala inner classes
//############################################################################
// $Id$
import java.io.{BufferedReader, File, FileWriter, InputStreamReader}
class A {
val abc = "A.abc"
protected class B(x: Int, y: String) {
Console.println(abc); Console.println(x)
Console.println(y)
}
trait Itf {
def method1(x: Int): Int
trait Itf2 extends Itf {
def method2: Unit
}
}
trait PlainTrait {
def method1(x: Int): Int
}
class Impl(a: Int) extends Itf {
def method1(x: Int) = {
Console.println(x)
Console.println(a)
x + a
}
}
class Impl2 extends Impl(1) with Itf#Itf2 {
def method2 = {
Console.println(abc)
}
}
def newImpl: Itf = new Impl(1)
def newImpl2: Itf#Itf2 = new Impl2
class Outer1(arg1: Int) {
class Outer2(arg2: Int) {
class Outer3(arg3: Int) {
Console.println("Outer3: " + arg1 + " " + arg2 + " " + arg3);
}
}
}
}
object Scalatest {
val outputdir = System.getProperty("scalatest.output", "inner-jvm.obj")
val scalalib = System.getProperty("scalatest.lib", "")
val classpath = outputdir + File.pathSeparator + scalalib
def javac(src: String) = {
val tmpfilename = outputdir + File.separator + "tmpJavaInterraction.java"
val tmpfile = new FileWriter(tmpfilename)
tmpfile.write(src)
tmpfile.close
exec("javac -d " + outputdir + " -classpath " + classpath + " " + tmpfilename)
}
/** Execute cmd, wait for the process to end and pipe it's output to stdout */
def exec(cmd: String) = {
val proc = Runtime.getRuntime().exec(cmd);
val inp = new BufferedReader(new InputStreamReader(proc.getInputStream))
val errp = new BufferedReader(new InputStreamReader(proc.getErrorStream))
proc.waitFor()
while (inp.ready) Console.println(inp.readLine())
while (errp.ready) Console.println(errp.readLine())
}
}
object Test {
val program = """
public class tmpJavaInterraction {
public static void main(String[] args) {
A a = new A();
A.B b = a.new B(1, "Hello");
A.Itf itf = a.newImpl();
itf.method1(1);
A.Itf.Itf2 itf2 = a.newImpl2();
itf2.method2();
A.Outer1 o1 = a.new Outer1(1);
A.Outer1.Outer2 o2 = o1.new Outer2(2);
A.Outer1.Outer2.Outer3 or = o2.new Outer3(3);
}
}
"""
def main(args: Array[String]): Unit = {
Scalatest.javac(program)
Scalatest.exec("java -cp " + Scalatest.classpath + " tmpJavaInterraction")
}
}
//############################################################################
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