Fix scala#79: Add test

odersky · odersky · commit 049cb4758d07 · 2017-05-15T20:06:29.000+02:00
scala#79 is fixed by scala#2435 in the dotty repo. This PR contains the test that failed.
diff --git a/src/main/scala/strawman/collection/immutable/LazyList.scala b/src/main/scala/strawman/collection/immutable/LazyList.scala
@@ -66,5 +66,5 @@ object LazyList extends IterableFactory[LazyList] {
 
   def newBuilder[A]: Builder[A, LazyList[A]] = ???
 
-  def empty[A <: Any]: LazyList[A] = new LazyList[A](None)
+  def empty[A]: LazyList[A] = new LazyList[A](None)
 }
diff --git a/src/test/scala/strawman/collection/test/Test.scala b/src/test/scala/strawman/collection/test/Test.scala
@@ -248,6 +248,8 @@ class StrawmanTest {
     val ys15: Seq[(Int, Boolean)] = xs15
     val xs16 = xs.reverse
     val ys16: Seq[Int] = xs16
+    val ys17 = LazyList.empty ++ LazyList.empty
+    val ys18: LazyList[Nothing] = ys17
     println("-------")
     println(x1)
     println(x2)

Original file line number	Diff line number	Diff line change
`@@ -66,5 +66,5 @@ object LazyList extends IterableFactory[LazyList] {`
`66`	`66`
`67`	`67`	`def newBuilder[A]: Builder[A, LazyList[A]] = ???`
`68`	`68`
`69`		`- def empty[A <: Any]: LazyList[A] = new LazyList[A](None)`
	`69`	`+ def empty[A]: LazyList[A] = new LazyList[A](None)`
`70`	`70`	`}`