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//############################################################################
// Enumerations
//############################################################################
// $Id$
object Test1 {
object WeekDays extends Enumeration {
val Mon, Tue, Wed, Thu, Fri, Sat, Sun = Value
}
def isWorkingDay(d: WeekDays.Value) =
! (d == WeekDays.Sat || d == WeekDays.Sun);
def run: Int = {
val it = WeekDays filter (isWorkingDay);
it.toList.length
}
}
object Test2 {
object ThreadState extends Enumeration {
val New = Value("NEW");
val Runnable = Value("RUNNABLE");
val Blocked = Value("BLOCKED");
val Waiting = Value("WAITING");
val TimedWaiting = Value("TIMED_WAITING");
val Terminated = Value("TERMINATED");
}
def run: Int = {
val it = for (val s <- ThreadState; s.id != 0) yield s;
it.toList.length
}
}
object Test3 {
object Direction extends Enumeration("North", "South", "East", "West") {
val North, South, East, West = Value;
}
def run: Int = {
val it = for (val d <- Direction; d.toString() startsWith "N") yield d;
it.toList.length
}
}
//############################################################################
// Test code
object Test {
def check_success(name: String, closure: => Int, expected: Int): Unit = {
Console.print("test " + name);
try {
val actual: Int = closure;
if (actual == expected) {
Console.print(" was successful");
} else {
Console.print(" failed: expected "+ expected +", found "+ actual);
}
} catch {
case exception: Throwable => {
Console.print(" raised exception " + exception);
}
}
Console.println;
}
def main(args: Array[String]): Unit = {
check_success("Test1", Test1.run, 5);
check_success("Test2", Test2.run, 5);
check_success("Test3", Test3.run, 1);
Console.println;
}
}
//############################################################################
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