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/boxing/QualBoxedPostOp3.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2016, 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 8147527
+ * @summary Verifies the runtime behavior of "super", "this" and "this$n" optimization for boxed unary post-operations.
+ * @compile QualBoxedPostOp3.java QualBoxedPostOp3Parent.java
+ * @run main QualBoxedPostOp3
+ */
+public class QualBoxedPostOp3 extends p.QualBoxedPostOp3Parent {
+    public static void main(String[] args) {
+        new QualBoxedPostOp3().testAll();
+    }
+
+    private void testAll() {
+        equals(test(), 1);
+        equals(i, 2);
+
+        Inner in = new Inner();
+        equals(in.test(), 3);
+        equals(i, 4);
+
+        equals(testParent(), 21);
+        equals(super.j, 22);
+
+        equals(in.testParent(), 23);
+        equals(super.j, 24);
+    }
+
+    private void equals(int a, int b) {
+        if (a != b) throw new Error();
+    }
+
+    Integer i=0;
+
+    private Integer test() {
+        i++;
+        return this.i++;
+    }
+    private Integer testParent() {
+        j++;
+        return super.j++;
+    }
+
+    class Inner {
+        private Integer test() {
+            i++;
+            return QualBoxedPostOp3.this.i++;
+        }
+        private Integer testParent() {
+            j++;
+            return QualBoxedPostOp3.super.j++;
+        }
+    }
+}