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//############################################################################
// Enumerations
//############################################################################
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.values 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 (s <- ThreadState.values; if s.id != 0) yield s;
it.toList.length
}
}
object Test3 {
object Direction extends Enumeration {
val North = Value("North")
val South = Value("South")
val East = Value("East")
val West = Value("West")
}
def run: Int = {
val it = for (d <- Direction.values; if d.toString() startsWith "N") yield d;
it.toList.length
}
}
object Test4 {
object Direction extends Enumeration {
val North = Value("North")
val South = Value("South")
val East = Value("East")
val West = Value("West")
}
def run: Int = {
val dir = Direction.withName("North")
assert(dir.toString == "North")
try {
Direction.withName("Nord")
assert(false)
} catch {
case e: Exception => /* do nothing */
}
0
}
}
object Test5 {
object D1 extends Enumeration(0) {
val North, South, East, West = Value;
}
object D2 extends Enumeration(-2) {
val North, South, East, West = Value;
}
object WeekDays extends Enumeration {
val Mon, Tue, Wed, Thu, Fri, Sat, Sun = Value
}
def run {
val s1 = D1.ValueSet(D1.North, D1.East)
val s2 = D2.North + D2.East
println(s1)
println(s2)
println(s1 + D1.West)
println(s2 + D2.West)
println(s1.toBitMask.map(_.toBinaryString).toList)
println(s2.toBitMask.map(_.toBinaryString).toList)
println(D1.ValueSet.fromBitMask(s1.toBitMask))
println(D2.ValueSet.fromBitMask(s2.toBitMask))
println(WeekDays.values.range(WeekDays.Tue, WeekDays.Sat))
}
}
object SerializationTest {
object Types extends Enumeration { val X, Y = Value }
class A extends java.io.Serializable { val types = Types.values }
class B extends java.io.Serializable { val types = Set(Types.X, Types.Y) }
def serialize(obj: AnyRef) = {
val baos = new java.io.ByteArrayOutputStream()
val oos = new java.io.ObjectOutputStream(baos)
oos.writeObject(obj)
oos.close()
val bais = new java.io.ByteArrayInputStream(baos.toByteArray)
val ois = new java.io.ObjectInputStream(bais)
val prime = ois.readObject()
ois.close()
prime
}
def run {
serialize(new B())
serialize(new A())
}
}
//############################################################################
// 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);
exception.printStackTrace();
}
}
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);
check_success("Test4", Test4.run, 0);
Console.println;
Test5.run;
Console.println;
SerializationTest.run;
}
}
//############################################################################
|
