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import java.io._
object Scalatest {
val outputdir = System.getProperty("partest.output", "inner.obj")
val scalalib = System.getProperty("partest.lib", "")
val classpath = outputdir + File.pathSeparator + scalalib
val javacmd = System.getProperty("javacmd", "java")
val javac = System.getProperty("javaccmd", "javac")
def javac(src: String, opts: String, fname: String) {
val tmpfilename = outputdir + File.separator + fname
val tmpfile = new FileWriter(tmpfilename)
tmpfile.write(src)
tmpfile.close
exec(javac + " -d " + outputdir + " -classpath " + classpath + " " + opts + tmpfilename)
}
def java(cname: String) =
exec(javacmd + " -cp " + classpath + " " + cname)
class Slurp(in: BufferedReader) extends Thread("slurper") {
var done = false
override def run() {
while (!done) if (in.ready) println(in.readLine())
}
}
def slurp(in: BufferedReader): Slurp = {
val s = new Slurp(in)
s.start()
s
}
/** Execute cmd, wait for the process to end and pipe its 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))
val t1 = slurp(inp)
val t2 = slurp(errp)
proc.waitFor()
t1.done = true
t2.done = true
t1.join()
t2.join()
}
}
// Test correct java signatures for anonymous classes. Enclosing method attributes should
// allow javac to see the type parameters in foo. See #3249.
class A[U] {
def bar[B](x : => B) = x
def foo[C](c : C) : C = bar(c)
}
object B {
def bar[B](x : => B) = x
def foo[C](c : C) : C = {
class InnerB(x: C)
c
}
}
class B {
def foo {}
}
object Test {
def main(args: Array[String]) {
import Scalatest._
exec("%s -Xprint -cp %s A".format(javac, classpath))
exec("%s -Xprint -cp %s B".format(javac, classpath))
exec("%s -Xprint -cp %s A$$anonfun$foo$1".format(javac, classpath))
exec("%s -Xprint -cp %s scala.actors.Actor".format(javac, classpath))
}
}
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