--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/lambda/FunctionalInterfaceAnno.java	Wed Jan 16 16:30:11 2013 +0000
@@ -0,0 +1,33 @@
+/*
+ * @test /nodynamiccopyright/
+ * @summary smoke test for functional interface annotation
+ * @compile/fail/ref=FunctionalInterfaceAnno.out -XDrawDiagnostics FunctionalInterfaceAnno.java
+ */
+class FunctionalInterfaceAnno {
+    @FunctionalInterface
+    static class A { } //not an interface
+
+    @FunctionalInterface
+    static abstract class B { } //not an interface
+
+    @FunctionalInterface
+    enum C { } //not an interface
+
+    @FunctionalInterface
+    @interface D { } //not an interface
+
+    @FunctionalInterface
+    interface E { } //no abstracts
+
+    @FunctionalInterface
+    interface F { default void m() { } } //no abstracts
+
+    @FunctionalInterface
+    interface G { String toString(); } //no abstracts
+
+    @FunctionalInterface
+    interface H { void m(); void n(); } //incompatible abstracts
+
+    @FunctionalInterface
+    interface I { void m(); } //ok
+}