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/beans/Statement/Test4530962.java

@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2003, 2007, 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 4530962
+ * @summary Tests method search using parameter classes in Statement
+ * @author Mark Davidson
+ */
+
+import java.beans.Statement;
+
+/**
+ * Ambiguous method signature should throw an exception.
+ * Statement should execute the most specific method.
+ */
+public class Test4530962 {
+    public static void main(String[] args) throws Exception {
+        try {
+            test(new A(), new Y(), new Y());
+            throw new Error("exception expected");
+        }
+        catch (NoSuchMethodException exception) {
+            // should throw an exception
+        }
+        catch (Exception exception) {
+            throw new Error("unexpected exception", exception);
+        }
+        test(new B(), new Y(), new Y());
+        test(new C(), new Z(), new Z());
+        test(new D(), new Z(), new Z());
+        test(new E(), new Z(), new Z());
+    }
+
+    private static void test(Object target, Object... params) throws Exception {
+        new Statement(target, "m", params).execute();
+    }
+
+    /**
+     * All ambiguous method declarations should fail.
+     */
+    public static class A {
+        public void m(X x1, X x2) {
+            throw new Error("A.m(X,X) should not be called");
+        }
+
+        public void m(X x1, Y y2) {
+            throw new Error("A.m(X,Y) should not be called");
+        }
+
+        public void m(Y y1, X x2) {
+            throw new Error("A.m(Y,X) should not be called");
+        }
+    }
+
+    /**
+     * The most specific method in this case would be the second declaration.
+     */
+    public static class B {
+        public void m(X x1, X x2) {
+            throw new Error("B.m(X,X) should not be called");
+        }
+
+        public void m(X x1, Y y2) {
+            // expected: B.m(X,Y) should be called
+        }
+    }
+
+    /**
+     * The most specific method in this case would be the first declaration.
+     */
+    public static class C {
+        public void m(Y y1, Y y2) {
+            // expected: C.m(Y,Y) should be called
+        }
+
+        public void m(X x1, X x2) {
+            throw new Error("C.m(X,X) should not be called");
+        }
+    }
+
+    /**
+     * Same as the previous case but flip methods.
+     */
+    public static class D {
+        public void m(X x1, X x2) {
+            throw new Error("D.m(X,X) should not be called");
+        }
+
+        public void m(Y y1, Y y2) {
+            // expected: D.m(Y,Y) should be called
+        }
+    }
+
+    /**
+     * The method should be called with (Z,Z).
+     */
+    public static class E {
+        public void m(X x1, X x2) {
+            // expected: E.m(X,X) should be called
+        }
+    }
+
+    public static class X {
+    }
+
+    public static class Y extends X {
+    }
+
+    public static class Z extends Y {
+    }
+}