From cc02243fbe8b7290265e1bdf540e4c2f256df199 Mon Sep 17 00:00:00 2001
From: liu fengyun <liufengyunchina@gmail.com>
Date: Thu, 21 Jul 2016 10:45:14 +0200
Subject: add test set for exhaustivity and redundancy check

---
 tests/patmat/t8511.scala | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 tests/patmat/t8511.scala

(limited to 'tests/patmat/t8511.scala')

diff --git a/tests/patmat/t8511.scala b/tests/patmat/t8511.scala
new file mode 100644
index 000000000..bc7f64713
--- /dev/null
+++ b/tests/patmat/t8511.scala
@@ -0,0 +1,25 @@
+sealed trait Expr
+final case class Foo(other: Option[String]) extends Expr
+final case class Bar(someConstant: String) extends Expr
+final case class Baz() extends Expr
+final case class EatsExhaustiveWarning(other: Reference) extends Expr
+
+sealed trait Reference {
+  val value: String
+}
+
+object Reference {
+  def unapply(reference: Reference): Option[(String)] = {
+    Some(reference.value)
+  }
+}
+
+object EntryPoint {
+  private def logic(head: Expr): String = head match {
+    case Foo(_) =>
+      ???
+    // Commenting this line only causes the exhaustive search warning to be emitted
+    case EatsExhaustiveWarning(Reference(text)) =>
+      ???
+  }
+}
\ No newline at end of file
-- 
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