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/javac/modules/HelloWorldTest.java

@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2013, 2016, 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 simple tests of javac compilation modes
+ * @library /tools/lib
+ * @modules
+ *      jdk.compiler/com.sun.tools.javac.api
+ *      jdk.compiler/com.sun.tools.javac.main
+ * @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask ModuleTestBase
+ * @run main HelloWorldTest
+ */
+
+import java.nio.file.*;
+import javax.tools.*;
+
+import toolbox.JarTask;
+import toolbox.JavacTask;
+import toolbox.Task;
+import toolbox.ToolBox;
+
+public class HelloWorldTest extends ModuleTestBase {
+    public static void main(String... args) throws Exception {
+        HelloWorldTest t = new HelloWorldTest();
+        t.runTests();
+    }
+
+    public static final String HELLO_WORLD =
+          """
+              class HelloWorld {
+                  public static void main(String... args) {
+                      System.out.println("Hello World!");
+                  }
+              }""";
+
+    public static final String PKG_HELLO_WORLD =
+          "package p;\n"
+        + HELLO_WORLD;
+
+    @Test
+    public void testLegacyMode(Path base) throws Exception {
+        Path src = base.resolve("src");
+        tb.writeJavaFiles(src, HELLO_WORLD);
+
+        Path classes = base.resolve("classes");
+        Files.createDirectories(classes);
+
+        Path smallRtJar = base.resolve("small-rt.jar");
+        try (JavaFileManager fm = ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null)) {
+            new JarTask(tb, smallRtJar)
+                .files(fm, StandardLocation.PLATFORM_CLASS_PATH,
+                    "java.lang.**", "java.io.*", "java.util.*")
+                .run();
+        }
+
+        new JavacTask(tb)
+            .options("-source", "8",
+                "-target", "8",
+                "--boot-class-path", smallRtJar.toString())
+            .outdir(classes)
+            .files(src.resolve("HelloWorld.java"))
+            .run();
+
+        checkFiles(classes.resolve("HelloWorld.class"));
+    }
+
+    @Test
+    public void testUnnamedModule(Path base) throws Exception {
+        Path src = base.resolve("src");
+        tb.writeJavaFiles(src, HELLO_WORLD);
+
+        Path classes = base.resolve("classes");
+        Files.createDirectories(classes);
+
+        new JavacTask(tb)
+            .outdir(classes)
+            .files(src.resolve("HelloWorld.java"))
+            .run();
+
+        checkFiles(classes.resolve("HelloWorld.class"));
+    }
+
+    @Test
+    public void testSingleModule(Path base) throws Exception {
+        Path src = base.resolve("src");
+        tb.writeFile(src.resolve("module-info.java"), "module m { }");
+        tb.writeJavaFiles(src, PKG_HELLO_WORLD);
+
+        Path classes = base.resolve("classes");
+        Files.createDirectories(classes);
+
+        new JavacTask(tb, Task.Mode.CMDLINE)
+            .outdir(classes)
+            .files(src.resolve("module-info.java"), src.resolve("p/HelloWorld.java"))
+            .run()
+            .writeAll();
+
+        checkFiles(
+            classes.resolve("module-info.class"),
+            classes.resolve("p/HelloWorld.class"));
+    }
+
+    @Test
+    public void testModuleSourcePath(Path base) throws Exception {
+        Path src = base.resolve("src");
+        Path src_m = src.resolve("m");
+        tb.writeFile(src_m.resolve("module-info.java"), "module m { }");
+        tb.writeJavaFiles(src_m, PKG_HELLO_WORLD);
+
+        Path classes = base.resolve("classes");
+        Files.createDirectories(classes);
+
+        new JavacTask(tb)
+            .options("--module-source-path", src.toString())
+            .outdir(classes)
+            .files(src_m.resolve("p/HelloWorld.java"))
+            .run()
+            .writeAll();
+
+        checkFiles(
+            classes.resolve("m/module-info.class"),
+            classes.resolve("m/p/HelloWorld.class"));
+    }
+
+    void checkFiles(Path... files) throws Exception {
+        for (Path f: files) {
+            if (!Files.exists(f))
+                throw new Exception("expected file not found: " + f);
+        }
+    }
+}