SIP-27 Test varargs, "@", and ": _*"

From https://gist.github.com/lrytz/e10b166ffbed2e47348a7ef8cd072fd9

1 files changed, 23 insertions, 0 deletions

diff --git a/test/files/pos/trailing-commas.scala b/test/files/pos/trailing-commas.scala
index 125dda35fb..52273b4dbd 100644
--- a/test/files/pos/trailing-commas.scala
+++ b/test/files/pos/trailing-commas.scala
@@ -9,6 +9,13 @@ trait ArgumentExprs1 {
     Ev0,
     Ev1,
   )
+
+  // test arg exprs in the presence of varargs
+  def g(x: Int, y: Int*) = 1
+  g(1,2,
+  )
+  g(1,List(2, 3): _*,
+  )
 }
 
 trait ArgumentExprs2 {
@@ -40,6 +47,10 @@ trait ClassParams {
     ev0: Ev0,
     ev1: Ev1,
   )
+
+  // test class params in the precense of varargs
+  case class D(i: Int*,
+  )
 }
 
 trait SimpleExpr1 {
@@ -100,6 +111,18 @@ trait SimplePattern {
     foo,
     bar,
   ) = null: Any
+
+  // test '@' syntax in patterns
+  Some(1) match {
+    case Some(x @ 1,
+    ) => x
+  }
+
+  // test ': _*' syntax in patterns
+  List(1, 2, 3) match {
+    case List(1, 2, _ @ _*,
+    ) => 1
+  }
 }
 
 trait ImportSelectors {