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-rw-r--r--test/files/run/hashCodeStatics.scala28
1 files changed, 28 insertions, 0 deletions
diff --git a/test/files/run/hashCodeStatics.scala b/test/files/run/hashCodeStatics.scala
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+++ b/test/files/run/hashCodeStatics.scala
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+// This only tests direct access to the methods in Statics,
+// not the whole scheme.
+object Test
+{
+ import java.{ lang => jl }
+ import scala.runtime.Statics.anyHash
+
+ def allSame[T](xs: List[T]) = assert(xs.distinct.size == 1, "failed: " + xs)
+
+ def mkNumbers(x: Int): List[Number] =
+ List(x.toByte, x.toShort, x, x.toLong, x.toFloat, x.toDouble)
+
+ def testLDF(x: Long) = allSame(List[Number](x, x.toDouble, x.toFloat) map anyHash)
+
+ def main(args: Array[String]): Unit = {
+ List(Byte.MinValue, -1, 0, 1, Byte.MaxValue) foreach { n =>
+ val hashes = mkNumbers(n) map anyHash
+ allSame(hashes)
+ if (n >= 0) {
+ val charCode = anyHash(n.toChar: Character)
+ assert(charCode == hashes.head)
+ }
+ }
+
+ testLDF(Short.MaxValue.toLong)
+ testLDF(Short.MinValue.toLong)
+ }
+}