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author | Martin Odersky <odersky@gmail.com> | 2012-03-07 14:13:03 +0100 |
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committer | Martin Odersky <odersky@gmail.com> | 2012-03-07 15:23:17 +0100 |
commit | 54e284d669418ebc6445bd0ec66804b9067f6dd3 (patch) | |
tree | 34bca4c9ad11d324e574f157c156b39f8aeb72ea /test/files | |
parent | e9a1207eedfd023a7ffe0723e4c8989d341e2f65 (diff) | |
download | scala-54e284d669418ebc6445bd0ec66804b9067f6dd3.tar.gz scala-54e284d669418ebc6445bd0ec66804b9067f6dd3.tar.bz2 scala-54e284d669418ebc6445bd0ec66804b9067f6dd3.zip |
Allows case classes as value classes
Diffstat (limited to 'test/files')
-rw-r--r-- | test/files/pos/t715/meredith_1.scala | 2 | ||||
-rw-r--r-- | test/files/run/MeterCaseClass.check | 21 | ||||
-rw-r--r-- | test/files/run/MeterCaseClass.scala | 99 |
3 files changed, 121 insertions, 1 deletions
diff --git a/test/files/pos/t715/meredith_1.scala b/test/files/pos/t715/meredith_1.scala index 3ed2e57d7a..8261b9881a 100644 --- a/test/files/pos/t715/meredith_1.scala +++ b/test/files/pos/t715/meredith_1.scala @@ -3,7 +3,7 @@ package com.sap.dspace.model.othello; import scala.xml._ trait XMLRenderer { - type T <: {def getClass() : java.lang.Class[_]} + type T <: Any {def getClass() : java.lang.Class[_]} val valueTypes = List( classOf[java.lang.Boolean], diff --git a/test/files/run/MeterCaseClass.check b/test/files/run/MeterCaseClass.check new file mode 100644 index 0000000000..08370d2097 --- /dev/null +++ b/test/files/run/MeterCaseClass.check @@ -0,0 +1,21 @@ +2.0 +Meter(4.0) +false +x.isInstanceOf[Meter]: true +x.hashCode: 1072693248 +x == 1: false +x == y: true +a == b: true +testing native arrays +Array(Meter(1.0), Meter(2.0)) +Meter(1.0) +>>>Meter(1.0)<<< Meter(1.0) +>>>Meter(2.0)<<< Meter(2.0) +testing wrapped arrays +FlatArray(Meter(1.0), Meter(2.0)) +Meter(1.0) +>>>Meter(1.0)<<< Meter(1.0) +>>>Meter(2.0)<<< Meter(2.0) +FlatArray(Meter(2.0), Meter(3.0)) +ArrayBuffer(1.0, 2.0) +FlatArray(0.3048ft, 0.6096ft) diff --git a/test/files/run/MeterCaseClass.scala b/test/files/run/MeterCaseClass.scala new file mode 100644 index 0000000000..4f082b5252 --- /dev/null +++ b/test/files/run/MeterCaseClass.scala @@ -0,0 +1,99 @@ +package a { + case class Meter(underlying: Double) extends AnyVal with _root_.b.Printable { + def + (other: Meter): Meter = + new Meter(this.underlying + other.underlying) + def / (other: Meter): Double = this.underlying / other.underlying + def / (factor: Double): Meter = new Meter(this.underlying / factor) + def < (other: Meter): Boolean = this.underlying < other.underlying + def toFoot: Foot = new Foot(this.underlying * 0.3048) + override def print = { Console.print(">>>"); super.print; proprint } + } + + object Meter extends (Double => Meter) { + + implicit val boxings = new BoxingConversions[Meter, Double] { + def box(x: Double) = new Meter(x) + def unbox(m: Meter) = m.underlying + } + } + + class Foot(val unbox: Double) extends AnyVal { + def + (other: Foot): Foot = + new Foot(this.unbox + other.unbox) + override def toString = unbox.toString+"ft" + } + object Foot { + implicit val boxings = new BoxingConversions[Foot, Double] { + def box(x: Double) = new Foot(x) + def unbox(m: Foot) = m.unbox + } + } + +} +package b { + trait Printable extends Any { + def print: Unit = Console.print(this) + protected def proprint = Console.print("<<<") + } +} +import a._ +import _root_.b._ +object Test extends App { + + { + val x: Meter = new Meter(1) + val a: Object = x.asInstanceOf[Object] + val y: Meter = a.asInstanceOf[Meter] + + val u: Double = 1 + val b: Object = u.asInstanceOf[Object] + val v: Double = b.asInstanceOf[Double] + } + + val x = new Meter(1) + val y = x + println((x + x) / x) + println((x + x) / 0.5) + println((x < x).toString) + println("x.isInstanceOf[Meter]: "+x.isInstanceOf[Meter]) + + + println("x.hashCode: "+x.hashCode) + println("x == 1: "+(x == 1)) + println("x == y: "+(x == y)) + assert(x.hashCode == (1.0).hashCode) + + val a: Any = x + val b: Any = y + println("a == b: "+(a == b)) + + { println("testing native arrays") + val arr = Array(x, y + x) + println(arr.deep) + def foo[T <: Printable](x: Array[T]) { + for (i <- 0 until x.length) { x(i).print; println(" "+x(i)) } + } + val m = arr(0) + println(m) + foo(arr) + } + + { println("testing wrapped arrays") + import collection.mutable.FlatArray + val arr = FlatArray(x, y + x) + println(arr) + def foo(x: FlatArray[Meter]) { + for (i <- 0 until x.length) { x(i).print; println(" "+x(i)) } + } + val m = arr(0) + println(m) + foo(arr) + val ys: Seq[Meter] = arr map (_ + new Meter(1)) + println(ys) + val zs = arr map (_ / Meter(1)) + println(zs) + val fs = arr map (_.toFoot) + println(fs) + } + +} |