two more minor cleanups to Duration

- copy partest TestUtil.intercept change from PR 1279 branch
- add comment on non-obvious match cases

1 files changed, 1 insertions, 6 deletions

diff --git a/test/files/jvm/duration-tck.scala b/test/files/jvm/duration-tck.scala
index 87ffa196ca..0947e84004 100644
--- a/test/files/jvm/duration-tck.scala
+++ b/test/files/jvm/duration-tck.scala
@@ -6,6 +6,7 @@ import scala.concurrent.util._
 import duration._
 import scala.reflect._
 import java.util.concurrent.TimeUnit._
+import scala.tools.partest.TestUtil.intercept
 
 object Test extends App {
 
@@ -19,12 +20,6 @@ object Test extends App {
     }
   }
 
-  def intercept[T <: Exception : ClassTag](code: => Unit) =
-    try { code; assert(false, "did not throw expected exception " + classTag[T]) }
-    catch {
-      case ex: Exception => if (classTag[T].runtimeClass isAssignableFrom ex.getClass) () else throw ex
-    }
-
   val zero = 0 seconds
   val one = 1 second
   val two = one + one