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, 5 insertions, 0 deletions

diff --git a/test/files/run/interpolationArgs.scala b/test/files/run/interpolationArgs.scala
new file mode 100644
index 0000000000..eb13767907
--- /dev/null
+++ b/test/files/run/interpolationArgs.scala
@@ -0,0 +1,5 @@
+object Test extends App {
+  try { scala.StringContext("p1", "p2", "p3").s("e1") } catch { case ex => println(ex) }
+  try { scala.StringContext("p1").s("e1") } catch { case ex => println(ex) }
+}
+