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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/java/lang/LazyConstant/DemoMapTest.java
+++ b/test/jdk/java/lang/LazyConstant/DemoMapTest.java
@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2025, 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
+ * @summary Test of a lazy map application
+ * @enablePreview
+ * @run junit DemoMapTest
+ */
+
+import org.junit.jupiter.api.*;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Map;
+import java.util.Set;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+final class DemoMapTest {
+
+    static class OrderController{}
+
+    // NEW:
+    static final Map<String, OrderController> ORDERS
+            = Map.ofLazy(
+                    Set.of("Customers", "Internal", "Testing"),
+                    _ -> new OrderController()
+    );
+
+    public static OrderController orders() {
+        String groupName = Thread.currentThread().getThreadGroup().getName();
+        return ORDERS.get(groupName);
+    }
+
+    @Test
+    void orderController() throws InterruptedException {
+        Thread t = Thread.ofPlatform()
+                .group(new ThreadGroup("Customers"))
+                .start(() -> {
+                    String groupName = Thread.currentThread().getThreadGroup().getName();
+                    OrderController orderController = ORDERS.get(groupName);
+                    assertNotNull(orderController);
+                });
+        t.join();
+    }
+
+    private static final Map<Integer, String> SERVER_ERROR_PAGES = Map.ofLazy(
+            Set.of(500, 501, 502, 503, 504, 505, 506, 507, 508, 510, 511),
+            e -> {
+                try {
+                    return Files.readString(Path.of("server_error_" + e + ".html"));
+                } catch (IOException ioe) {
+                    throw new RuntimeException(ioe);
+                }
+            });
+
+    private static String htmlServerErrorPage(int errorCode) {
+        return SERVER_ERROR_PAGES.get(errorCode); // Eligible for constant folding
+    }
+
+    @Test
+    void page500() {
+        String page = htmlServerErrorPage(500); // Constant folds
+        assertEquals(DEFAULT_FS_MSG, page);
+    }
+
+    static final String DEFAULT_FS_MSG = """
+            <!DOCTYPE html>
+            <html lang="en">
+              <head>
+                <meta charset="utf-8">
+                <title>Internal Server Error (500)</title>
+                <link rel="stylesheet" href="style.css">
+                <script src="script.js"></script>
+              </head>
+              <body>
+                There was a general problem with the server, code 500
+              </body>
+            </html>
+            """;
+
+    @BeforeAll
+    public static void setup() throws IOException {
+        var file = Path.of("server_error_500.html");
+        if (Files.notExists(file)) {
+            Files.createFile(file);
+            Files.writeString(file, DEFAULT_FS_MSG);
+        }
+        assertEquals(DEFAULT_FS_MSG, Files.readString(file));
+    }
+
+    @AfterAll
+    public static void cleanUp() throws IOException {
+        var file = Path.of("server_error_500.html");
+        Files.deleteIfExists(file);
+    }
+
+}