--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/tools/jlink/JLinkReproducibleTest.java	Tue Dec 04 09:30:10 2018 +0100
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2018, 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.File;
+import java.nio.file.*;
+import java.util.*;
+
+import static jdk.test.lib.Asserts.*;
+import jdk.test.lib.JDKToolFinder;
+import jdk.test.lib.process.ProcessTools;
+
+/*
+ * @test
+ * @bug 8214230
+ * @summary Test that jlinks generates reproducible modules files
+ * @library /test/lib
+ * @run driver JLinkReproducibleTest
+ */
+public class JLinkReproducibleTest {
+    private static void run(List<String> cmd) throws Exception {
+        var pb = new ProcessBuilder(cmd.toArray(new String[0]));
+        var res = ProcessTools.executeProcess(pb);
+        res.shouldHaveExitValue(0);
+    }
+
+    private static void jlink(Path image) throws Exception {
+        var cmd = new ArrayList<String>();
+        cmd.add(JDKToolFinder.getJDKTool("jlink"));
+        cmd.addAll(List.of(
+            "--module-path", JMODS_DIR.toString() + File.pathSeparator + CLASS_DIR.toString(),
+            "--add-modules", "main",
+            "--compress=2",
+            "--output", image.toString()
+        ));
+        run(cmd);
+    }
+
+    private static void javac(String... args) throws Exception {
+        var cmd = new ArrayList<String>();
+        cmd.add(JDKToolFinder.getJDKTool("javac"));
+        cmd.addAll(Arrays.asList(args));
+        run(cmd);
+    }
+
+    private static final List<String> MODULE_INFO = List.of(
+        "module main {",
+        "    exports org.test.main;",
+        "}"
+    );
+
+    private static final List<String> MAIN_CLASS = List.of(
+        "package org.test.main;",
+        "public class Main {",
+        "    public static void main(String[] args) {",
+        "        System.out.println(\"Hello, world\");",
+        "    }",
+        "}"
+    );
+
+    private static final Path CLASS_DIR = Path.of("classes");
+    private static final Path JMODS_DIR = Path.of(System.getProperty("java.home"), "jmods");
+
+    public static void main(String[] args) throws Exception {
+        // Write the source code
+        var srcDir = Path.of("main", "org", "test", "main");
+        Files.createDirectories(srcDir.toAbsolutePath());
+
+        var srcFile = srcDir.resolve("Main.java");
+        Files.write(srcFile, MAIN_CLASS);
+
+        var moduleFile = Path.of("main").resolve("module-info.java");
+        Files.write(moduleFile, MODULE_INFO);
+
+        // Compile the source code to class files
+        javac("--module-source-path", ".",
+              "--module", "main",
+              "-d", CLASS_DIR.toString());
+
+        // Link the first image
+        var firstImage = Path.of("image-first");
+        jlink(firstImage);
+        var firstModulesFile = firstImage.resolve("lib")
+                                         .resolve("modules");
+
+        // Link the second image
+        var secondImage = Path.of("image-second");
+        jlink(secondImage);
+        var secondModulesFile = secondImage.resolve("lib")
+                                           .resolve("modules");
+
+        // Ensure module files are identical
+        assertEquals(-1L, Files.mismatch(firstModulesFile, secondModulesFile));
+    }
+}