When compilation fails because of an unimplemen...

When compilation fails because of an unimplemented abstract var, give
a more precise error message about what happened. Also avoid issuing
the same error twice because neither getter nor setter is implemented.
Closes #36, review by rytz.

1 files changed, 29 insertions, 0 deletions

diff --git a/test/files/neg/abstract-vars.scala b/test/files/neg/abstract-vars.scala
new file mode 100644
index 0000000000..df6109d3a8
--- /dev/null
+++ b/test/files/neg/abstract-vars.scala
@@ -0,0 +1,29 @@
+abstract class A {
+  var x: Int
+}
+
+class Fail1 extends A {
+  var x: Int
+}
+
+class Fail2 extends A { }
+
+class Fail3 extends A {
+  val x: Int = 5
+}
+class Fail4 extends A {
+  def x: Int = 5
+}
+
+class Fail5 extends A {
+  def x_=(y: Int) = ()
+}
+
+class Success1 extends A {
+  val x: Int = 5
+  def x_=(y: Int) = ()
+}
+
+class Success2 extends A {
+  var x: Int = 5
+}