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/MethodReference60.java

@@ -0,0 +1,32 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8004102
+ * @summary Add support for array constructor references
+ * @compile/fail/ref=MethodReference60.out -XDrawDiagnostics MethodReference60.java
+ */
+public class MethodReference60 {
+
+    interface ArrayFactory<X> {
+        X make(int size);
+    }
+
+    interface BadArrayFactory1<X> {
+        X make();
+    }
+
+    interface BadArrayFactory2<X> {
+        X make(int i1, int i2);
+    }
+
+    interface BadArrayFactory3<X> {
+        X make(String s);
+    }
+
+    public static void meth() {
+        BadArrayFactory1<int[]> factory1 = int[]::new; //param mismatch
+        BadArrayFactory2<int[]> factory2 = int[]::new; //param mismatch
+        BadArrayFactory3<int[]> factory3 = int[]::new; //param mismatch
+        ArrayFactory<Integer> factory4 = int[]::new; //return type mismatch
+        ArrayFactory<Integer[]> factory5 = int[]::new; //return type mismatch
+    }
+}