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/EnumAccessible.java

@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2022, 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 8178701
+ * @summary Check javac can generate code for protected enums accessible through subclassing.
+ * @library /tools/lib
+ * @modules jdk.compiler/com.sun.tools.javac.api
+ *          jdk.compiler/com.sun.tools.javac.main
+ *          jdk.compiler/com.sun.tools.javac.util
+ * @build toolbox.ToolBox toolbox.JavacTask
+ * @run main EnumAccessible
+*/
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.Objects;
+
+import toolbox.TestRunner;
+import toolbox.JavacTask;
+import toolbox.JavaTask;
+import toolbox.Task;
+import toolbox.ToolBox;
+
+public class EnumAccessible extends TestRunner {
+
+    ToolBox tb;
+
+    public static void main(String... args) throws Exception {
+        new EnumAccessible().runTests();
+    }
+
+    EnumAccessible() {
+        super(System.err);
+        tb = new ToolBox();
+    }
+
+    public void runTests() throws Exception {
+        runTests(m -> new Object[] { Paths.get(m.getName()) });
+    }
+
+    @Test
+    public void testPattern(Path base) throws Exception {
+        Path current = base.resolve(".");
+        Path src = current.resolve("src");
+        Path classes = current.resolve("classes");
+        tb.writeJavaFiles(src,
+                          """
+                          package foo;
+                          import bar.D.E;
+                          public class A {
+                              public static class B {
+                                  protected enum C {
+                                      X, Y, Z
+                                  }
+                              }
+                              public static void main(String... args) {
+                                  new E().run(B.C.X);
+                              }
+                          }
+                          """,
+                          """
+                          package bar;
+                          import foo.A.B;
+                          public class D {
+                              public static class E extends B {
+                                  public void run(C arg) {
+                                      switch (arg) {
+                                          default: System.out.println("OK");
+                                      }
+                                  }
+                              }
+                          }
+                          """);
+
+        Files.createDirectories(classes);
+
+        new JavacTask(tb)
+            .options("-doe")
+            .outdir(classes)
+            .files(tb.findJavaFiles(src))
+            .run(Task.Expect.SUCCESS)
+            .writeAll();
+
+        var out = new JavaTask(tb)
+                .classpath(classes.toString())
+                .className("foo.A")
+                .run()
+                .writeAll()
+                .getOutputLines(Task.OutputKind.STDOUT);
+
+        var expectedOut = List.of("OK");
+
+        if (!Objects.equals(expectedOut, out)) {
+            throw new AssertionError("Incorrect Output, expected: " + expectedOut +
+                                      ", actual: " + out);
+
+        }
+    }
+
+}