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/tools/javac/processing/errors/TestErrorOrder.java
+++ b/test/langtools/tools/javac/processing/errors/TestErrorOrder.java
@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2024, 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 8323057
+ * @summary javac should print not-recoverable errors before recoverable errors
+ * @library /tools/lib
+ * @modules jdk.compiler/com.sun.tools.javac.api
+ *          jdk.compiler/com.sun.tools.javac.main
+ * @build toolbox.TestRunner toolbox.ToolBox TestErrorOrder
+ * @run main TestErrorOrder
+ */
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.Set;
+
+import javax.annotation.processing.AbstractProcessor;
+import javax.annotation.processing.RoundEnvironment;
+import javax.annotation.processing.SupportedAnnotationTypes;
+import javax.lang.model.SourceVersion;
+import javax.lang.model.element.TypeElement;
+
+import toolbox.JavacTask;
+import toolbox.Task;
+import toolbox.Task.Expect;
+import toolbox.TestRunner;
+import toolbox.TestRunner.Test;
+import toolbox.ToolBox;
+
+public class TestErrorOrder extends TestRunner {
+    public static void main(String... args) throws Exception {
+        new TestErrorOrder().runTests(m -> new Object[] { Paths.get(m.getName()) });
+    }
+
+    private final ToolBox tb = new ToolBox();
+
+    public TestErrorOrder() {
+        super(System.err);
+    }
+
+    @Test
+    public void testErrorsAfter(Path outerBase) throws Exception {
+        Path src = outerBase.resolve("src");
+        tb.writeJavaFiles(src,
+                          "package t;\n" +
+                          "public class T {\n" +
+                          "    public void test(Undefined u) { }\n" +
+                          "    \n" +
+                          "    @SuppressWarnings(\"\")\n" +
+                          "    @SuppressWarnings(\"\")\n" +
+                          "    public void test() { }\n" +
+                          "}");
+        Path classes = outerBase.resolve("classes");
+        Files.createDirectories(classes);
+        List<String> actual = new JavacTask(tb)
+                .outdir(classes.toString())
+                .options("-XDrawDiagnostics",
+                         "-processor", "TestErrorOrder$P",
+                         "-processorpath", System.getProperty("test.classes"))
+                .files(tb.findJavaFiles(src))
+                .run(Expect.FAIL)
+                .writeAll()
+                .getOutputLines(Task.OutputKind.DIRECT);
+        List<String> expected = List.of(
+                "T.java:6:5: compiler.err.duplicate.annotation.missing.container: java.lang.SuppressWarnings",
+                "T.java:3:22: compiler.err.cant.resolve.location: kindname.class, Undefined, , , (compiler.misc.location: kindname.class, t.T, null)",
+                "2 errors"
+        );
+
+        tb.checkEqual(expected, actual);
+    }
+
+    @SupportedAnnotationTypes("*")
+    public static class P extends AbstractProcessor {
+        @Override
+        public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
+            return false;
+        }
+
+        @Override
+        public SourceVersion getSupportedSourceVersion() {
+            return SourceVersion.latest();
+        }
+    }
+
+}