new test case for sequence convention in patter...

new test case for sequence convention in pattern matching

2 files changed, 28 insertions, 1 deletions

diff --git a/test/files/run/regularpatmat.check b/test/files/run/regularpatmat.check
index cc902ea473..ad48fcaf98 100644
--- a/test/files/run/regularpatmat.check
+++ b/test/files/run/regularpatmat.check
@@ -118,3 +118,4 @@ passed ok
 passed ok
 passed ok
 passed ok
+testBugSequenceApply hello hello
\ No newline at end of file
diff --git a/test/files/run/regularpatmat.scala b/test/files/run/regularpatmat.scala
index b5c345cf2d..8d4bb00b6e 100644
--- a/test/files/run/regularpatmat.scala
+++ b/test/files/run/regularpatmat.scala
@@ -20,7 +20,7 @@ object Test {
     testBO.main( args );
     testMZ.main;
     //testNN.main;
-    ()
+    testBugSequenceApply.main;
   }
 }
 
@@ -716,3 +716,29 @@ object testNO {   // this does not need to be run, only compiled
 
 
 }
+
+/** see comments in scala.tools.scalac.transformer.matching.PatternMatcher::isSeqApply 2005-02-17
+ */
+object testBugSequenceApply {
+
+  val x = List(1,2,3);
+
+  case class ThreeBars extends Seq[Int] {
+    override def length = 3;
+    def elements = x.elements;
+    def apply(i:Int) = x.apply(i);
+  }
+
+  // this works
+  def main:Unit = {
+    Console.print("testBugSequenceApply ");
+    val z: Seq[Int] = new ThreeBars();
+    Console.print(z.match {
+      case Seq(1,2,3) => "hello" // but ThreeBars is a case class...
+    });
+
+    Console.print(ThreeBars().match {
+      case Seq(1,2,3) => " hello" // but ThreeBars is a case class...
+    });
+  }
+}