Merge pull request #1681 from paulp/issue/6731

Fix for SI-6731, dropped trees in selectDynamic.

1 files changed, 53 insertions, 0 deletions

diff --git a/test/files/run/t5733.scala b/test/files/run/t5733.scala
new file mode 100644
index 0000000000..360264e4ed
--- /dev/null
+++ b/test/files/run/t5733.scala
@@ -0,0 +1,53 @@
+import scala.language.dynamics
+
+object A extends Dynamic {
+  var a = "a"
+
+  def selectDynamic(method:String): String = a
+
+  def updateDynamic(method:String)(v:String) { a = v }
+}
+
+class B extends Dynamic {
+  var b = "b"
+
+  def selectDynamic(method:String): String = b
+
+  def updateDynamic(method:String)(v:String) { b = v }
+}
+
+object Test extends App {
+  assert( A.foo == "a" )
+  assert( A.bar == "a" )
+  A.aaa = "aaa"
+  assert( A.bar == "aaa" )
+
+  val b = new B
+  assert( b.foo == "b" )
+  assert( b.bar == "b" )
+  b.bbb = "bbb"
+  assert( b.bar == "bbb" )
+
+  {
+    println("Running ABTest asserts")
+    A.a = "a"
+    (new ABTest).test()
+  }
+
+  println("Done")
+}
+
+class ABTest {
+  def test() {
+    assert( A.foo == "a" )
+    assert( A.bar == "a" )
+    A.aaa = "aaa"
+    assert( A.bar == "aaa" )
+
+    val b = new B
+    assert( b.foo == "b" )
+    assert( b.bar == "b" )
+    b.bbb = "bbb"
+    assert( b.bar == "bbb" )
+  }
+}