From 9904301752c2aa8c8509f1bcd6108f626220524a Mon Sep 17 00:00:00 2001
From: Paul Phillips <paulp@improving.org>
Date: Tue, 25 Sep 2012 18:14:49 -0700
Subject: Additional new tests for unchecked warnings.

---
 test/pending/pos/exhaust_2.scala | 54 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 test/pending/pos/exhaust_2.scala

(limited to 'test/pending')

diff --git a/test/pending/pos/exhaust_2.scala b/test/pending/pos/exhaust_2.scala
new file mode 100644
index 0000000000..4f4e47c43b
--- /dev/null
+++ b/test/pending/pos/exhaust_2.scala
@@ -0,0 +1,54 @@
+object ExhaustivityWarnBugReportMinimal {
+  //sealed is needed for the warning
+  sealed trait FoundNode[T]/*presence of parameters is irrelevant*/
+  // This also causes a warning:
+  // sealed abstract class FoundNode[T]/*presence of parameters is irrelevant*/
+  case class FoundFilter[T](/*presence of parameters is irrelevant*/) extends FoundNode[T]
+  case class FoundTypeCase[T](/*presence of parameters is irrelevant*/) extends FoundNode[T]
+  val f: Some[_] = ???
+  f match {
+    case x: Some[t] => //no warning
+  }
+  //With these variants, no warnings:
+  //val v: (Some[Int], FoundNode[_]) = (???, ???)
+  //val v: (Some[AnyRef], FoundNode[_]) = (???, ???)
+  //val v: (Some[String], FoundNode[_]) = (???, ???)
+
+  val v: (Some[_], FoundNode[_]) = (???, ???)
+  //Warning here:
+  v match {
+    case (x: Some[t], _: FoundNode[_]) =>
+  }
+  v match {
+    case (x: Some[t], _) =>
+  }
+
+  v match {
+    case (x: Some[_], _) =>
+  }
+  case class Foo[T]()
+
+  val vp: (Foo[_], FoundNode[_]) = (???, ???)
+  vp match {
+    case (x: Foo[_], _) =>
+  }
+
+  //No warning here:
+  v match {
+    case (Some(y), _) =>
+  }
+
+  v match {
+    case (x, _) =>
+  }
+
+  val v2: (Some[_], Int) = (???, ???)
+  v2 match {
+    case (x: Some[t], _) =>
+  }
+
+  val v3: (Option[_], FoundNode[_]) = (???, ???)
+  v match {
+    case (x: Option[_], _) =>
+  }
+}
-- 
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