Fix check for number of arguments

Fix the test for number of arguments by passing all arguments instead
of passing the argument list as a single argument.

Add positive and negative tests for it.

1 files changed, 2 insertions, 0 deletions

diff --git a/test/files/run/interpolation.scala b/test/files/run/interpolation.scala
index 232a180bcd..a0a185eaab 100644
--- a/test/files/run/interpolation.scala
+++ b/test/files/run/interpolation.scala
@@ -5,6 +5,8 @@ object Test extends App {
     println(f"Bob is $n%2d years old")
     println(s"Bob will be ${n+1} years old")
     println(f"Bob will be ${n+1}%2d years old")
+    println(s"$n+1 = ${n+1}")
+    println(f"$n%d+1 = ${n+1}%d")
   }
 
   def test2(f: Float) = {