Merge pull request #5804 from jvican/stub-errors-2.11.8

Backport 2.11.9: Improve stub error messages (SCP-009 proposal)

1 files changed, 37 insertions, 0 deletions

diff --git a/test/files/run/StubErrorReturnTypePolyFunction.scala b/test/files/run/StubErrorReturnTypePolyFunction.scala
new file mode 100644
index 0000000000..8345aaade0
--- /dev/null
+++ b/test/files/run/StubErrorReturnTypePolyFunction.scala
@@ -0,0 +1,37 @@
+object Test extends scala.tools.partest.StubErrorMessageTest {
+  def codeA = """
+    package stuberrors
+    class A
+    class AA
+  """
+
+  def codeB = """
+    package stuberrors
+
+    class B {
+      def foo[T <: A]: T = ???
+    }
+
+    class D extends A
+  """
+
+  def userCode = """
+    package stuberrors
+
+    abstract class C extends App {
+      val b = new B
+
+      // Use other symbols in the meanwhile
+      val aa = new AA
+      val dummy = 1
+      println(dummy)
+
+      // Should blow up
+      b.foo[D]
+    }
+  """
+
+  def removeFromClasspath(): Unit = {
+    removeClasses("stuberrors", List("A"))
+  }
+}