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/MethodReference51.java

@@ -0,0 +1,46 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  certain cases of erroneous member reference lookup are not handled by Attr.visitReference
+ * @compile/fail/ref=MethodReference51.out -XDrawDiagnostics MethodReference51.java
+ */
+class MethodReference51 {
+
+    private static class Foo {
+        static int j(int i) { return i; }
+    }
+
+    static Foo foo = new Foo();
+
+    static void m(String s) { }
+    static void m(Integer i) { }
+
+    static int f(String s) { return 1; }
+
+    static int g(Integer i, Number n) { return 1; }
+    static int g(Number n, Integer i) { return 1; }
+
+    int h(int i) { return i; }
+}
+
+class TestMethodReference51 {
+
+    interface IntSam {
+        int m(int i);
+    }
+
+    interface IntegerIntegerSam {
+        int m(Integer i1, Integer i2);
+    }
+
+
+    static void test() {
+        IntSam s1 = MethodReference51::unknown; //fail
+        IntSam s2 = MethodReference51::f; //fail
+        IntSam s3 = MethodReference51::g; //fail
+        IntegerIntegerSam s4 = MethodReference51::g; //fail
+        IntSam s5 = MethodReference51::h; //fail
+        IntSam s6 = MethodReference51.foo::j; //fail
+    }
+}