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authorDmitry Petrashko <dmitry.petrashko@gmail.com>2015-05-12 18:30:53 +0200
committerDmitry Petrashko <dmitry.petrashko@gmail.com>2015-05-12 18:30:53 +0200
commit89bacb9c25a58454ff1878e67f7ea07ffc8c269f (patch)
tree51f1ff6c66aebe1b6109b1cffcc2bb8e4cf760a3 /tests/pending/run/hashCodeBoxesRunTime.scala
parenta0fa33deafbea1bf53edc068c5ed9db5592822f9 (diff)
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Run tests as they were in scala.
Diffstat (limited to 'tests/pending/run/hashCodeBoxesRunTime.scala')
-rw-r--r--tests/pending/run/hashCodeBoxesRunTime.scala28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/pending/run/hashCodeBoxesRunTime.scala b/tests/pending/run/hashCodeBoxesRunTime.scala
new file mode 100644
index 000000000..ba1a30f5f
--- /dev/null
+++ b/tests/pending/run/hashCodeBoxesRunTime.scala
@@ -0,0 +1,28 @@
+// This only tests direct access to the methods in BoxesRunTime,
+// not the whole scheme.
+object Test
+{
+ import java.{ lang => jl }
+ import scala.runtime.BoxesRunTime.{ hashFromNumber, hashFromObject }
+
+ 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 hashFromNumber)
+
+ def main(args: Array[String]): Unit = {
+ List(Byte.MinValue, -1, 0, 1, Byte.MaxValue) foreach { n =>
+ val hashes = mkNumbers(n) map hashFromNumber
+ allSame(hashes)
+ if (n >= 0) {
+ val charCode = hashFromObject(n.toChar: Character)
+ assert(charCode == hashes.head)
+ }
+ }
+
+ testLDF(Short.MaxValue.toLong)
+ testLDF(Short.MinValue.toLong)
+ }
+}