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-rwxr-xr-xtest/files/jvm/serialization.scala421
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-//############################################################################
-// Serialization
-//############################################################################
-// $Id: serialization.scala 15934 2008-08-26 12:10:05Z michelou $
-
-import java.lang.System
-
-object EqualityTest {
- def check[A, B](x: A, y: B) {
- println("x = " + x)
- println("y = " + y)
- println("x equals y: " + (x equals y) + " - y equals x: " + (y equals x))
- println()
- }
-}
-
-object Serialize {
- @throws(classOf[java.io.IOException])
- def write[A](o: A): Array[Byte] = {
- val ba = new java.io.ByteArrayOutputStream(512)
- val out = new java.io.ObjectOutputStream(ba)
- out.writeObject(o)
- out.close()
- ba.toByteArray()
- }
- @throws(classOf[java.io.IOException])
- @throws(classOf[ClassNotFoundException])
- def read[A](buffer: Array[Byte]): A = {
- val in =
- new java.io.ObjectInputStream(new java.io.ByteArrayInputStream(buffer))
- in.readObject().asInstanceOf[A]
- }
-}
-
-//############################################################################
-// Test classes in package "scala"
-
-object Test1_scala {
-
- private def arrayToString[A](arr: Array[A]): String =
- List.fromArray(arr).mkString("Array[",",","]")
-
- private def arrayEquals[A, B](a1: Array[A], a2: Array[B]): Boolean =
- (a1.length == a2.length) &&
- (Iterator.range(0, a1.length) forall { i => a1(i) == a2(i) })
-
- @serializable
- object WeekDay extends Enumeration {
- type WeekDay = Value
- val Monday, Tuesday, Wednesday, Thusday, Friday, Saturday, Sunday = Value
- }
- import WeekDay._, BigDecimal._, RoundingMode._
-
- val x0 = List(1, 2, 3)
- val x1 = Nil
- val x2 = None
- val x3 = Array(1, 2, 3)
- val x4 = { x: Int => 2 * x }
- val x5 = 'hello
- val x6 = ("BannerLimit", 12345)
- val x7 = BigDecimal.RoundingMode
- val x8 = WeekDay
- val x9 = ROUND_UP
- val x10 = Monday
-
- try {
- val y0: List[Int] = Serialize.read(Serialize.write(x0))
- val y1: List[Nothing] = Serialize.read(Serialize.write(x1))
- val y2: Option[Nothing] = Serialize.read(Serialize.write(x2))
- val y3: Array[Int] = Serialize.read(Serialize.write(x3))
- val y4: Function[Int, Int] = Serialize.read(Serialize.write(x4))
- val y5: Symbol = Serialize.read(Serialize.write(x5))
- val y6: (String, Int) = Serialize.read(Serialize.write(x6))
- val y7: RoundingMode.type = Serialize.read(Serialize.write(x7))
- val y8: WeekDay.type = Serialize.read(Serialize.write(x8))
- val y9: RoundingMode = Serialize.read(Serialize.write(x9))
- val y10: WeekDay = Serialize.read(Serialize.write(x10))
-
- println("x0 = " + x0)
- println("y0 = " + y0)
- println("x0 eq y0: " + (x0 eq y0) + " - y0 eq x0: " + (y0 eq x0))
- println("x0 equals y0: " + (x0 equals y0) + " - y0 equals x0: " + (y0 equals x0))
- println()
- println("x1 = " + x1)
- println("y1 = " + y1)
- println("x1 eq y1: " + (x1 eq y1) + " - y1 eq x1: " + (y1 eq x1))
- println()
- println("x2 = " + x2)
- println("y2 = " + y2)
- println("x2 eq y2: " + (x2 eq y2) + " - y2 eq x2: " + (y2 eq x2))
- println()
- println("x3 = " + arrayToString(x3))
- println("y3 = " + arrayToString(y3))
- println("arrayEquals(x3, y3): " + arrayEquals(x3, y3))
- println()
- println("x4 = <na>")
- println("y4 = <na>")
- println("x4(2): " + x4(2) + " - y4(2): " + y4(2))
- println()
- println("x5 = " + x5)
- println("y5 = " + y5)
- println("x5 eq y5: " + (x5 eq y5) + " - y5 eq x5: " + (y5 eq x5))
- println("x5 equals y5: " + (x5 equals y5) + " - y5 equals x5: " + (y5 equals x5))
- println()
- println("x6 = " + x6)
- println("y6 = " + y6)
- println("x6 eq y6: " + (x6 eq y6) + " - y6 eq x6: " + (y6 eq x6))
- println("x6 equals y6: " + (x6 equals y6) + " - y6 equals x6: " + (y6 equals x6))
- println()
- println("x7 = " + x7)
- println("y7 = " + y7)
- println("x7 eq y7: " + (x7 eq y7) + " - y7 eq x7: " + (y7 eq x7))
- println("x7 equals y7: " + (x7 equals y7) + " - y7 equals x7: " + (y7 equals x7))
- println()
- println("x8 = " + x8)
- println("y8 = " + y8)
- println("x8 eq y8: " + (x8 eq y8) + " - y8 eq x8: " + (y8 eq x8))
- println("x8 equals y8: " + (x8 equals y8) + " - y8 equals x8: " + (y8 equals x8))
- println()
- println("x9 = " + x9)
- println("y9 = " + y9)
- println("x9 eq y9: " + (x9 eq y9) + " - y9 eq x9: " + (y9 eq x9))
- println("x9 equals y9: " + (x9 equals y9) + " - y9 equals x9: " + (y9 equals x9))
- println()
- println("x10 = " + x10)
- println("y10 = " + y10)
- println("x10 eq y10: " + (x10 eq y10) + " - y10 eq x10: " + (y10 eq x10))
- println("x10 equals y10: " + (x10 equals y10) + " - y10 equals x10: " + (y10 equals x10))
- println()
- println("x9 eq x10: " + (x9 eq x10) + " - x10 eq x9: " + (x10 eq x9))
- println("x9 equals x10: " + (x9 equals x10) + " - x10 equals x9: " + (x10 equals x9))
- println("x9 eq y10: " + (x9 eq y10) + " - y10 eq x9: " + (y10 eq x9))
- println("x9 equals y10: " + (x9 equals y10) + " - y10 equals x9: " + (y10 equals x9))
- println()
- }
- catch {
- case e: Exception =>
- e.printStackTrace()
- println("Error in Test1_scala: " + e)
- }
-}
-
-//############################################################################
-// Test classes in package "scala.collection.immutable"
-
-@serializable
-object Test2_immutable {
- import scala.collection.immutable.{
- BitSet, ListMap, ListSet, Queue, Stack, TreeSet, TreeMap}
-
- val x1 = List(
- Pair("buffers", 20),
- Pair("layers", 2),
- Pair("title", 3)
- )
-
- val x2 = new ListMap[String, Int] + ("buffers" -> 20, "layers" -> 2, "title" -> 3)
-
- val x3 = {
- val bs = new collection.mutable.BitSet()
- bs += 2; bs += 3
- bs.toImmutable
- }
-
- val x4 = new ListSet[Int]() + 3 + 5
-
- val x5 = new Queue("a", "b", "c")
-
- val x6 = new Stack().push("a", "b", "c")
-
- val x7 = new TreeMap[Int, String] + (42 -> "FortyTwo")
-
- val x8 = new TreeSet[Int]() + 2 + 0
-
- try {
- val y1: List[Pair[String, Int]] = Serialize.read(Serialize.write(x1))
- val y2: ListMap[String, Int] = Serialize.read(Serialize.write(x2))
- val y3: BitSet = Serialize.read(Serialize.write(x3))
- val y4: ListSet[Int] = Serialize.read(Serialize.write(x4))
- val y5: Queue[String] = Serialize.read(Serialize.write(x5))
- val y6: Stack[String] = Serialize.read(Serialize.write(x6))
- val y7: TreeMap[Int, String] = Serialize.read(Serialize.write(x7))
- val y8: TreeSet[Int] = Serialize.read(Serialize.write(x8))
-
- EqualityTest.check(x1, y1)
- EqualityTest.check(x2, y2)
- EqualityTest.check(x3, y3)
- EqualityTest.check(x4, y4)
- EqualityTest.check(x5, y5)
- EqualityTest.check(x6, y6)
- EqualityTest.check(x7, y7)
- EqualityTest.check(x8, y8)
- }
- catch {
- case e: Exception =>
- println("Error in Test2_immutable: " + e)
- throw e
- }
-}
-
-//############################################################################
-// Test classes in package "scala.collection.mutable"
-
-object Test3_mutable {
- import scala.collection.mutable.{
- ArrayBuffer, BitSet, HashMap, HashSet, History, LinkedList, ListBuffer,
- Publisher, Queue, RevertableHistory, Stack}
-
- val x0 = new ArrayBuffer[String]
- x0 ++= List("one", "two")
-
- val x2 = new BitSet()
- x2 += 0
- x2 += 8
- x2 += 9
-
- val x1 = new HashMap[String, Int]
- x1 ++= Test2_immutable.x1
-
- val x3 = new HashSet[String]
- x3 ++= Test2_immutable.x1.map(p => p._1)
-
- @serializable
- class Feed extends Publisher[String, Feed]
-
- val x8 = new History[String, Feed]
-
- val x4 = new LinkedList[Int](2, null)
- x4.append(new LinkedList(3, null))
-
- val x7 = new ListBuffer[String]
- x7 ++= List("white", "black")
-
- val x5 = new Queue[Int]
- x5 ++= Test2_immutable.x1.map(p => p._2)
-
- val x6 = new Stack[Int]
- x6 ++= x5
-
- try {
- val y0: ArrayBuffer[String] = Serialize.read(Serialize.write(x0))
- val y1: HashMap[String, Int] = Serialize.read(Serialize.write(x1))
- val y2: BitSet = Serialize.read(Serialize.write(x2))
- val y3: HashSet[String] = Serialize.read(Serialize.write(x3))
- val y4: LinkedList[Int] = Serialize.read(Serialize.write(x4))
- val y5: Queue[Int] = Serialize.read(Serialize.write(x5))
- val y6: Stack[Int] = Serialize.read(Serialize.write(x6))
- val y7: ListBuffer[String] = Serialize.read(Serialize.write(x7))
- val y8: History[String, Feed] = Serialize.read(Serialize.write(x8))
-
- EqualityTest.check(x0, y0)
- EqualityTest.check(x1, y1)
- EqualityTest.check(x2, y2)
- EqualityTest.check(x3, y3)
- EqualityTest.check(x4, y4)
- EqualityTest.check(x5, y5)
- EqualityTest.check(x6, y6)
- EqualityTest.check(x7, y7)
- //EqualityTest.check(x8, y8) //todo
- }
- catch {
- case e: Exception =>
- println("Error in Test3_mutable: " + e)
- }
-}
-
-//############################################################################
-// Test classes in package "scala.xml"
-
-object Test4_xml {
- import scala.xml.Elem
-
- val x1 = <html><title>title</title><body></body></html>;
-
- case class Person(name: String, age: Int)
-
- class AddressBook(a: Person*) {
- private val people: List[Person] = a.toList
- def toXHTML =
- <table cellpadding="2" cellspacing="0">
- <tr>
- <th>Last Name</th>
- <th>First Name</th>
- </tr>
- { for (val p <- people) yield
- <tr>
- <td> { p.name } </td>
- <td> { p.age.toString() } </td>
- </tr> }
- </table>;
- }
-
- val people = new AddressBook(
- Person("Tom", 20),
- Person("Bob", 22),
- Person("James", 19))
-
- val x2 =
- <html>
- <body>
- { people.toXHTML }
- </body>
- </html>;
-
- try {
- val y1: scala.xml.Elem = Serialize.read(Serialize.write(x1))
- val y2: scala.xml.Elem = Serialize.read(Serialize.write(x2))
-
- EqualityTest.check(x1, y1)
- EqualityTest.check(x2, y2)
- }
- catch {
- case e: Exception =>
- println("Error in Test4_xml: " + e)
- }
-}
-
-//############################################################################
-// Test user-defined classes WITHOUT nesting
-
-@serializable
-class Person(_name: String) {
- private var name = _name
- override def toString() = name
- override def equals(that: Any): Boolean =
- that.isInstanceOf[Person] &&
- (name == that.asInstanceOf[Person].name)
-}
-
-@serializable
-class Employee(_name: String) {
- private var name = _name
- override def toString() = name
-}
-@serializable
-object bob extends Employee("Bob")
-
-object Test5 {
- val x1 = new Person("Tim")
- val x2 = bob
-
- try {
- val y1: Person = Serialize.read(Serialize.write(x1))
- val y2: Employee = Serialize.read(Serialize.write(x2))
-
- EqualityTest.check(x1, y1)
- EqualityTest.check(x2, y2)
- }
- catch {
- case e: Exception =>
- println("Error in Test5: " + e)
- }
-}
-
-//############################################################################
-// Test user-defined classes WITH nesting
-
-@serializable
-object Test6 {
- @serializable
- object bill extends Employee("Bill") {
- val x = paul
- }
- @serializable
- object paul extends Person("Paul") {
- val x = 4 // bill; => StackOverflowException !!!
- }
- val x1 = new Person("John")
- val x2 = bill
- val x3 = paul
-
- try {
- val y1: Person = Serialize.read(Serialize.write(x1))
- val y2: Employee = Serialize.read(Serialize.write(x2))
- val y3: Person = Serialize.read(Serialize.write(x3))
-
- EqualityTest.check(x1, y1)
- EqualityTest.check(x2, y2)
- EqualityTest.check(x3, y3)
- }
- catch {
- case e: Exception =>
- println("Error in Test6: " + e)
- }
-}
-
-object Test7 {
- @serializable
- class A(a: Int) {
-// def this() { this(0) }
- val f = (x: Int) => x + a
- }
- try {
- val a = new A(1)
- val f1: Int => Int = Serialize.read(Serialize.write(a.f))
-
- EqualityTest.check(a.f, f1)
- }
- catch {
- case e: Exception =>
- println("Error in Test7: " + e)
- }
-}
-
-//############################################################################
-// Test code
-
-object Test {
- def main(args: Array[String]) {
- Test1_scala
- Test2_immutable
- Test3_mutable
- Test4_xml
- Test5
- Test6
- Test7
- }
-}
-
-//############################################################################
-