1 files changed, 20 insertions, 0 deletions
diff --git a/test/junit/scala/tools/testing/ClearAfterClass.java b/test/junit/scala/tools/testing/ClearAfterClass.java
new file mode 100644
index 0000000000..232d459c4e
--- /dev/null
+++ b/test/junit/scala/tools/testing/ClearAfterClass.java
@@ -0,0 +1,20 @@
+package scala.tools.testing;
+
+import org.junit.AfterClass;
+
+/**
+ * Extend this class to use JUnit's @AfterClass. This annotation only works on static methods,
+ * which cannot be written in Scala.
+ *
+ * Example: {@link scala.tools.nsc.backend.jvm.opt.InlinerTest}
+ */
+public class ClearAfterClass {
+    public static interface Clearable {
+        void clear();
+    }
+
+    public static Clearable stateToClear;
+
+    @AfterClass
+    public static void clearState() { stateToClear.clear(); }
+}