Merge pull request #611 from dotty-staging/supercalls-traits-test

Add a test for supercalls in traits.

1 files changed, 41 insertions, 0 deletions

diff --git a/tests/run/traits-initialization.scala b/tests/run/traits-initialization.scala
new file mode 100644
index 000000000..fdddc8f44
--- /dev/null
+++ b/tests/run/traits-initialization.scala
@@ -0,0 +1,41 @@
+object store {
+  var str = ""
+}
+
+import store._
+
+trait A {
+ str += "a"
+ val i = 2
+ val s = str += 'A'
+ str += '1'
+}
+
+trait B extends A {
+ str += 'b'
+ override val i = 3
+ override val s = str += 'B'
+ str += '2'
+}
+
+class D(sup: Unit) extends A {
+ str += 'd'
+ override val i = 4
+ override val s = str += 'D'
+ str += '3'
+}
+
+class E(sup: Unit) extends A with B {
+ str += 'd'
+ override val i = 5
+ override val s = str += 'E'
+ str += '3'
+}
+
+
+object Test extends D({str += "Z"}) with B {
+ // should only have 2 fields
+ str += 'E'
+ def main(args: Array[String]) = assert(str == "ZaA1dD3bB2E4", str)
+ str += '4'
+}