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import collection._
object Test extends Application {
val printTime = false
def sum[A](xs: Iterable[int]) = (0 /: xs)((x, y) => x + y)
def time(op: => unit): unit = {
val start = System.currentTimeMillis;
op
if (printTime) Console.println(" time = "+(System.currentTimeMillis - start)+"ms")
}
def test(msg: String, s0: collection.immutable.Set[int]) = {
Console.println("***** "+msg+":")
var s = s0
s = s + 2
s = s + (3, 4000, 10000)
Console.println("test1: "+sum(s))
time {
s = s ++ (List.range(0, 5000) map (2*))
Console.println("test2: "+sum(s))
}
time {
var x = 0
for (val i <- (0 to 10000))
if (s contains i) x = x + i
Console.println("test3: "+x)
}
}
def test(msg: String, s0: collection.mutable.Set[int]) = {
Console.println("***** "+msg+":")
var s = s0
s = s + 2
s = s + (3, 4000, 10000)
Console.println("test1: "+sum(s))
time {
s = s ++ (List.range(0, 5000) map (2*))
Console.println("test2: "+sum(s))
}
time {
var x = 0
for (val i <- (0 to 10000))
if (s contains i) x = x + i
Console.println("test3: "+x)
}
}
def test(msg: String, s0: collection.immutable.Map[int, int]) = {
Console.println("***** "+msg+":")
var s = s0
s = s + (2 -> 2)
s = s + (3 -> 3, 4000 -> 4000, 10000 -> 10000)
Console.println("test1: "+sum(s map (._2)))
time {
s = s ++ (List.range(0, 1000) map (x => x * 2 -> x * 2))
Console.println("test2: "+sum(s map (._2)))
}
time {
var x = 0
for (val i <- (0 to 10000))
s get i match {
case Some(i) => x = x + i
case None =>
}
Console.println("test3: "+x)
}
}
def test(msg: String, s0: collection.mutable.Map[int, int]) = {
Console.println("***** "+msg+":")
var s = s0
s = s + (2 -> 2)
s = s + (3 -> 3, 4000 -> 4000, 10000 -> 10000)
Console.println("test1: "+sum(s map (._2)))
time {
s = s ++ (List.range(0, 5000) map (x => x * 2 -> x * 2))
Console.println("test2: "+sum(s map (._2)))
}
time {
var x = 0
for (val i <- (0 to 10000))
s get i match {
case Some(i) => x = x + i
case None =>
}
Console.println("test3: "+x)
}
}
test("immutable.ListSet", new immutable.ListSet[int])
test("immutable.TreeSet", new immutable.TreeSet[int])
test("mutable.HashSet", new mutable.HashSet[int])
test("immutable.ListMap", new immutable.ListMap[int, int])
test("immutable.TreeMap", new immutable.TreeMap[int, int])
test("immutable.UnBalancedTreeMap", new immutable.UnbalancedTreeMap[int, int])
test("mutable.HashMap", new mutable.HashMap[int, int])
}
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