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/jdk/java/lang/Class/getMethods/StarInheritance.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 4654698
+ * @summary Verify that expected methods are returned for star inheritance.
+ */
+
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.ArrayList;
+
+// D.m
+interface A1 extends B1, C1 {}
+interface B1 extends D1 {}
+interface C1 extends D1 {}
+interface D1 { void m(); }
+
+// A.m
+interface A2 extends B2, C2 { void m(); }
+interface B2 extends D2 {}
+interface C2 extends D2 {}
+interface D2 { void m(); }
+
+// B.m, C.m
+interface A3 extends B3, C3 {}
+interface B3 extends D3 { void m(); }
+interface C3 extends D3 { void m(); }
+interface D3 { void m() ; }
+
+// B.m
+interface A4 extends B4, C4 {}
+interface B4 extends D4 { void m(); }
+interface C4 extends D4 {}
+interface D4 { void m(); }
+
+public class StarInheritance {
+    private static int n = 1;
+
+    private static void test(Method [] ma, ArrayList expect) {
+        System.out.println("Test " + n++);
+
+        if (expect.size() != ma.length) {
+            System.err.println("  found methods: " + Arrays.asList(ma));
+            System.err.println("  expected locations: " + expect);
+            throw new RuntimeException("found = " + ma.length
+                                       +"; expected = " + expect.size());
+        }
+
+        for (int i = 0; i < ma.length; i++) {
+            Method m = ma[i];
+            System.out.println("  " + m.toString());
+            int n;
+            if (m.getName().equals("m")
+                && (n = expect.indexOf(m.getDeclaringClass())) != -1) {
+                expect.remove(n);
+            } else {
+                throw new RuntimeException("unable to locate method in class: "
+                                           + m.getDeclaringClass());
+            }
+        }
+    }
+
+    public static void main(String [] args) {
+        Class [] l1 = {D1.class};
+        test(A1.class.getMethods(), new ArrayList(Arrays.asList(l1)));
+
+        Class [] l2 = {A2.class};
+        test(A2.class.getMethods(), new ArrayList(Arrays.asList(l2)));
+
+        Class [] l3 = {B3.class, C3.class};
+        test(A3.class.getMethods(), new ArrayList(Arrays.asList(l3)));
+
+        Class [] l4 = {B4.class};
+        test(A4.class.getMethods(), new ArrayList(Arrays.asList(l4)));
+    }
+}