undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

test/langtools/tools/javac/lambda/MethodReference04.java

@@ -0,0 +1,14 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  check that target type of a method ref is a SAM type
+ * @author  Maurizio Cimadamore
+ * @compile/fail/ref=MethodReference04.out -XDrawDiagnostics MethodReference04.java
+ */
+
+class MethodReference04 {
+    void m(Integer i) {}
+
+    Object o = this::m; //fail - not a valid target type
+}