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/langtools/jdk/jshell/MultipleDocumentationTest.java
+++ b/test/langtools/jdk/jshell/MultipleDocumentationTest.java
@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2021, 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.
+ */
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.util.List;
+import java.util.stream.Collectors;
+import jdk.jshell.JShell;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import org.junit.jupiter.api.Test;
+
+/*
+ * @test
+ * @bug 8274734
+ * @summary Verify multiple SourceCodeAnalysis instances can concurrently provide documentation.
+ * @library /tools/lib
+ * @modules jdk.compiler/com.sun.tools.javac.api
+ *          jdk.compiler/com.sun.tools.javac.main
+ *          jdk.jdeps/com.sun.tools.javap
+ *          jdk.jshell/jdk.internal.jshell.tool
+ * @build Compiler toolbox.ToolBox
+ * @run junit MultipleDocumentationTest
+ */
+public class MultipleDocumentationTest {
+
+    @Test
+    public void testMultipleDocumentation() {
+        String input = "java.lang.String";
+
+        try (var state1 = JShell.builder()
+                                .out(new PrintStream(new ByteArrayOutputStream()))
+                                .err(new PrintStream(new ByteArrayOutputStream()))
+                                .build()) {
+            var sca1 = state1.sourceCodeAnalysis();
+            List<String> javadocs1 =
+                    sca1.documentation(input, input.length(), true)
+                        .stream()
+                        .map(d -> d.javadoc())
+                        .collect(Collectors.toList());
+
+            try (var state2 = JShell.builder()
+                                    .out(new PrintStream(new ByteArrayOutputStream()))
+                                    .err(new PrintStream(new ByteArrayOutputStream()))
+                                    .build()) {
+                var sca2 = state2.sourceCodeAnalysis();
+                List<String> javadocs2 = sca2.documentation(input, input.length(), true)
+                                             .stream()
+                                             .map(d -> d.javadoc())
+                                             .collect(Collectors.toList());
+
+                assertEquals(javadocs1, javadocs2);
+            }
+        }
+    }
+
+}