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-rw-r--r--test/files/run/collection-conversions.scala64
1 files changed, 64 insertions, 0 deletions
diff --git a/test/files/run/collection-conversions.scala b/test/files/run/collection-conversions.scala
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+++ b/test/files/run/collection-conversions.scala
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+import collection._
+import mutable.Buffer
+import parallel.immutable.ParVector
+import parallel.mutable.ParArray
+import reflect.ClassTag
+
+object Test {
+
+ def printResult[A,B](msg: String, obj: A, expected: B)(implicit tag: ClassTag[A], tag2: ClassTag[B]) = {
+ print(" :" + msg +": ")
+ val isArray = obj match {
+ case x: Array[Int] => true
+ case _ => false
+ }
+ val expectedEquals =
+ if(isArray) obj.asInstanceOf[Array[Int]].toSeq == expected.asInstanceOf[Array[Int]].toSeq
+ else obj == expected
+ val tagEquals = tag == tag2
+ if(expectedEquals && tagEquals) print("OK")
+ else print("FAILED")
+ if(!expectedEquals) print(", " + obj + " != " + expected)
+ if(!tagEquals) print(", " + tag + " != " + tag2)
+ println("")
+ }
+
+ val testVector = Vector(1,2,3)
+ val testBuffer = Buffer(1,2,3)
+ val testGenSeq = GenSeq(1,2,3)
+ val testSeq = Seq(1,2,3)
+ val testStream = Stream(1,2,3)
+ val testArray = Array(1,2,3)
+ val testParVector = ParVector(1,2,3)
+ val testParArray = ParArray(1,2,3)
+
+ def testConversion[A: ClassTag](name: String, col: => GenTraversableOnce[A]): Unit = {
+ val tmp = col
+ println("-- Testing " + name + " ---")
+ printResult("[Direct] Vector ", col.toVector, testVector)
+ printResult("[Copy] Vector ", col.convertTo[Vector], testVector)
+ printResult("[Direct] Buffer ", col.toBuffer, testBuffer)
+ printResult("[Copy] Buffer ", col.convertTo[Buffer], testBuffer)
+ printResult("[Direct] GenSeq ", col.toSeq, testGenSeq)
+ printResult("[Copy] GenSeq ", col.convertTo[GenSeq], testGenSeq)
+ printResult("[Copy] Seq ", col.convertTo[Seq], testSeq)
+ printResult("[Direct] Stream ", col.toStream, testStream)
+ printResult("[Copy] Stream ", col.convertTo[Stream], testStream)
+ printResult("[Direct] Array ", col.toArray, testArray)
+ printResult("[Copy] Array ", col.convertTo[Array], testArray)
+ printResult("[Copy] ParVector", col.convertTo[ParVector], testParVector)
+ printResult("[Copy] ParArray ", col.convertTo[ParArray], testParArray)
+ }
+
+ def main(args: Array[String]): Unit = {
+ testConversion("iterator", (1 to 3).iterator)
+ testConversion("Vector", Vector(1,2,3))
+ testConversion("List", List(1,2,3))
+ testConversion("Buffer", Buffer(1,2,3))
+ testConversion("ParVector", ParVector(1,2,3))
+ testConversion("ParArray", ParArray(1,2,3))
+ testConversion("Set", Set(1,2,3))
+ testConversion("SetView", Set(1,2,3).view)
+ testConversion("BufferView", Buffer(1,2,3).view)
+ }
+}