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/module/Packages/GetPackagesTest.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2020, 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
+ * @library /test/lib
+ * @build m/*
+ * @run main/othervm --add-modules m test.GetPackagesTest
+ * @summary test the packages returned by Module::getPackages for an unnamed
+ *          module does not include the packages for named modules
+ */
+
+package test;
+
+import java.util.Set;
+import static jdk.test.lib.Asserts.*;
+
+public class GetPackagesTest {
+    public static void main(String... args) throws Exception {
+        // module m contains the package "p"
+        Class<?> c = Class.forName("p.Main");
+        Module m = c.getModule();
+        Module test = GetPackagesTest.class.getModule();
+
+        // module m and unnamed module are defined by the same class loader
+        assertTrue(m.isNamed());
+        assertFalse(test.isNamed());
+        assertTrue(m.getClassLoader() == test.getClassLoader());
+
+        // verify Module::getPackages on an unnamed module only contains
+        // the packages defined to the unnamed module
+        assertEquals(m.getPackages(), Set.of("p"));
+
+        Set<String> pkgs = test.getPackages();
+        assertTrue(pkgs.contains("test"));
+        assertFalse(pkgs.contains("p"));
+    }
+}