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-rw-r--r--tests/neg/variances-constr.scala26
-rw-r--r--tests/pos-special/variances-constr.scala21
2 files changed, 47 insertions, 0 deletions
diff --git a/tests/neg/variances-constr.scala b/tests/neg/variances-constr.scala
new file mode 100644
index 000000000..a5259c4da
--- /dev/null
+++ b/tests/neg/variances-constr.scala
@@ -0,0 +1,26 @@
+class C[+A] {
+
+ private[this] var y: A = _
+ def getY: A = y
+
+ class Inner(x: A) { // error A appears contravariantly
+ y = x
+ }
+ class Inner2[B <: A](x: B) { // error A appears contravariantly
+ y = x
+ }
+}
+
+object Test {
+
+ def main(args: Array[String]) = {
+ val x = new C[String]
+ val y: C[Any] = x
+ val i = new y.Inner(1)
+ val s: String = x.getY
+ val i2 = new y.Inner2(1)
+ val s2: String = x.getY
+ println(s)
+ }
+}
+
diff --git a/tests/pos-special/variances-constr.scala b/tests/pos-special/variances-constr.scala
new file mode 100644
index 000000000..b210b0440
--- /dev/null
+++ b/tests/pos-special/variances-constr.scala
@@ -0,0 +1,21 @@
+class C[+A] {
+
+ private[this] var y: A = _
+ def getY: A = y
+
+ class Inner(x: A) {
+ y = x
+ }
+}
+
+object Test {
+
+ def main(args: Array[String]) = {
+ val x = new C[String]
+ val y: C[Any] = x
+ val i = new y.Inner(1)
+ val s: String = x.getY
+ println(s)
+ }
+}
+