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/defaultMethods/Neg08.java

@@ -0,0 +1,20 @@
+/* @test /nodynamiccopyright/
+ * @bug 7192246
+ * @summary check that default overrides are properly type-checked
+ * @compile/fail/ref=Neg08.out -XDrawDiagnostics Neg08.java
+ */
+class Neg08 {
+    interface I {
+        default void m() { }
+    }
+
+    static class C1 {
+        void m() { } //weaker modifier
+    }
+
+    static class C2 extends C1 implements I { }
+
+    static class C3 implements I {
+        void m() { } //weaker modifier
+    }
+}