From f9e5afd36a8a241abc86c80197d8fbe10488280e Mon Sep 17 00:00:00 2001
From: Martin Odersky <odersky@gmail.com>
Date: Fri, 20 Oct 2006 13:37:17 +0000
Subject: fixed problems in type patterns

made some type error messages more precise
---
 test/files/neg/bug126.check   | 4 ----
 test/files/neg/bug126.scala   | 8 --------
 test/files/neg/escapes.check  | 5 +++++
 test/files/neg/escapes.scala  | 6 ++++++
 test/files/neg/gadts1.check   | 7 +------
 test/files/neg/viewtest.check | 7 ++++++-
 6 files changed, 18 insertions(+), 19 deletions(-)
 delete mode 100644 test/files/neg/bug126.check
 delete mode 100644 test/files/neg/bug126.scala
 create mode 100644 test/files/neg/escapes.check
 create mode 100755 test/files/neg/escapes.scala

(limited to 'test/files/neg')

diff --git a/test/files/neg/bug126.check b/test/files/neg/bug126.check
deleted file mode 100644
index 84a50aa821..0000000000
--- a/test/files/neg/bug126.check
+++ /dev/null
@@ -1,4 +0,0 @@
-bug126.scala:5 error: forward reference extends over definition of value foo2
-    val Tuple1(foo2:(Any => Any)) = Tuple1((x:Any) => foo2(x));
-                                                      ^
-one error found
diff --git a/test/files/neg/bug126.scala b/test/files/neg/bug126.scala
deleted file mode 100644
index 75c10e608a..0000000000
--- a/test/files/neg/bug126.scala
+++ /dev/null
@@ -1,8 +0,0 @@
-class O {
-  val Bar:Any => Any = ((x:Any) => Bar(x));
-  val Tuple2(foo:(Any => Any), bar) = Tuple2((x:Any) => foo(x), 1);
-  {
-    val Tuple1(foo2:(Any => Any)) = Tuple1((x:Any) => foo2(x));
-    Console.println(foo2)
-  }
-}
diff --git a/test/files/neg/escapes.check b/test/files/neg/escapes.check
new file mode 100644
index 0000000000..95299a4c75
--- /dev/null
+++ b/test/files/neg/escapes.check
@@ -0,0 +1,5 @@
+escapes.scala:2 error: type t escapes its defining scope as part of type t
+  def f(x: Any) = x match { case y: Cell[t] => y.elem }
+                                                ^
+subst type t to T
+one error found
diff --git a/test/files/neg/escapes.scala b/test/files/neg/escapes.scala
new file mode 100755
index 0000000000..3a280e8d0a
--- /dev/null
+++ b/test/files/neg/escapes.scala
@@ -0,0 +1,6 @@
+object Test {
+  def f(x: Any) = x match { case y: Cell[t] => y.elem }
+  class C3[T](val elem: T)
+  class D3[T](val elemD: T) extends C3[T](elemD)
+  def f[T](x: C3[T]) = x match { case d: D3[t] => d.elemD }
+}
diff --git a/test/files/neg/gadts1.check b/test/files/neg/gadts1.check
index 8b3d6605ed..a761b79cb8 100644
--- a/test/files/neg/gadts1.check
+++ b/test/files/neg/gadts1.check
@@ -1,11 +1,6 @@
-gadts1.scala:15 error: type mismatch;
- found   : Test.this.NumTerm
- required: Test.this.Term[a]
-    case NumTerm(n) => c.x = Double(1.0) 
-                ^
 gadts1.scala:15 error: type mismatch;
  found   : Test.this.Double
  required: a
     case NumTerm(n) => c.x = Double(1.0) 
                                    ^
-two errors found
+one error found
diff --git a/test/files/neg/viewtest.check b/test/files/neg/viewtest.check
index b98b56bce5..044c3b7d91 100644
--- a/test/files/neg/viewtest.check
+++ b/test/files/neg/viewtest.check
@@ -1,7 +1,12 @@
+viewtest.scala:43 error: type mismatch;
+ found   : scala.List[<type a in method compareTo>]
+ required: scala.List[<type a in method view3>]
+        case y1: List[a] => compareLists(x, y1)
+                                            ^
 viewtest.scala:104 error: ambiguous implicit value:
  both method view4 in object O of type [a](a)a
  and method identity in object Predef of type [a](a)a
  match expected type (test.Str) => test.Ordered[test.Str]
         t = t insert Str(s)
               ^
-one error found
+two errors found
-- 
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