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Diffstat (limited to 'test/pending/run/bug2365/Test.scala')
-rw-r--r-- | test/pending/run/bug2365/Test.scala | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/pending/run/bug2365/Test.scala b/test/pending/run/bug2365/Test.scala new file mode 100644 index 0000000000..92b58f4a25 --- /dev/null +++ b/test/pending/run/bug2365/Test.scala @@ -0,0 +1,35 @@ +import scala.tools.nsc.io._ +import java.net.URL + +object A { def apply(d: { def apply(): Int}) = d.apply() } +object A2 { def apply(d: { def apply(): Int}) = d.apply() } +object A3 { def apply(d: { def apply(): Int}) = d.apply() } +object A4 { def apply(d: { def apply(): Int}) = d.apply() } + +class B extends Function0[Int] { + def apply() = 3 +} + +object Test +{ + type StructF0 = { def apply(): Int } + def main(args: Array[String]) { + for(i <- 0 until 150) + println(i + " " + test(A.apply) + " " + test(A2.apply) + " " + test(A3.apply) + " " + test(A3.apply)) + } + + def test(withF0: StructF0 => Int): Int = { + // Some large jar + val ivyJar = File("/local/lib/java/ivy.jar").toURL + // load a class in a separate loader that will be passed to A + val loader = new java.net.URLClassLoader(Array(File(".").toURL, ivyJar)) + // load a real class to fill perm gen space + Class.forName("org.apache.ivy.Ivy", true, loader).newInstance + // create a class from another class loader with an apply: Int method + val b = Class.forName("B", true, loader).newInstance + + // pass instance to a, which will call apply using structural type reflection. + // This should hold on to the class for B, which means bLoader will not get collected + withF0(b.asInstanceOf[StructF0]) + } +} |