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author | Tiark Rompf <tiark.rompf@epfl.ch> | 2010-04-02 13:11:23 +0000 |
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committer | Tiark Rompf <tiark.rompf@epfl.ch> | 2010-04-02 13:11:23 +0000 |
commit | cd51ac694d82c68a5c02f9f20a9460adbac780b4 (patch) | |
tree | 32fafdcc00c75f53d98bd4cc84eab13a6585e255 /test/files/run/t3242.scala | |
parent | 7b43c30aa1746cb37ee65f2871e4e92e82896a10 (diff) | |
download | scala-cd51ac694d82c68a5c02f9f20a9460adbac780b4.tar.gz scala-cd51ac694d82c68a5c02f9f20a9460adbac780b4.tar.bz2 scala-cd51ac694d82c68a5c02f9f20a9460adbac780b4.zip |
closes #3242. review by community.
Diffstat (limited to 'test/files/run/t3242.scala')
-rw-r--r-- | test/files/run/t3242.scala | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/files/run/t3242.scala b/test/files/run/t3242.scala new file mode 100644 index 0000000000..f8defaa5cd --- /dev/null +++ b/test/files/run/t3242.scala @@ -0,0 +1,49 @@ +object Test { + + def benchmarkA(num: Int) { + + type A = Int + + def updateM[M[_]](ms: M[A], update: (M[A], A)=>M[A]): M[A] = { + var is = ms + for (i <- 0 until num) is = update(is, i) + is + } + + // + def vectorAppend: Vector[A] = updateM[Vector](Vector(), (as, a)=>{ + val v = (as :+ a) + //println("==>append: i: "+i1+", v: "+v) + v + }) + // this will crash, Vector bug! + def vectorRemove(vec: Vector[A]): Vector[A] = updateM[Vector](vec, (as, a)=>{ + val v = (as filterNot{ _ == a}) + //val v = (is filter{ _ != i}) + //println("==>remove: i: "+a) + v + }) + + val ct = vectorAppend + println(" append [num: "+num+"] vec") + vectorRemove(ct) + println(" remove [num: "+num+"] vec") + } // BenchmarkA + + def comparison(num: Int): Unit = { + for (i <- 1 until 5) benchmarkA(num*i) + println(">> comparison done, num: "+num); + } + + def main(args: Array[String]): Unit = { + try { + //createBenchmarkA(23).testRun + + comparison(200) // OK + comparison(2000) // this will crach + + } catch { + case e: Exception => e.printStackTrace() + } + } +} |