add tests from scala/test/files/{pos,neg}

with explicit Unit return type

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/untried/neg/pat_unreachable.scala b/tests/untried/neg/pat_unreachable.scala
new file mode 100644
index 000000000..1f402e521
--- /dev/null
+++ b/tests/untried/neg/pat_unreachable.scala
@@ -0,0 +1,26 @@
+
+object Test extends App {
+  def unreachable1(xs:Seq[Char]) = xs match {
+    case Seq(x, y, _*) => x::y::Nil
+    case Seq(x, y, z, w) => List(z,w) // redundant!
+  }
+  def unreachable2(xs:Seq[Char]) = xs match {
+    case Seq(x, y, _*) => x::y::Nil
+    case Seq(x, y) => List(x, y)
+  }
+
+  def not_unreachable(xs:Seq[Char]) = xs match {
+    case Seq(x, y, _*) => x::y::Nil
+    case Seq(x) => List(x)
+  }
+  def not_unreachable2(xs:Seq[Char]) = xs match {
+    case Seq(x, y) => x::y::Nil
+    case Seq(x, y, z, _*) => List(x,y)
+  }
+
+  def contrivedExample[A, B, C](a: A, b: B, c: C): Unit = a match {
+    case b => println("matched b")
+    case c => println("matched c")
+    case _ => println("matched neither")
+  }
+}