--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/tools/javac/modules/PluginsInModulesTest.java	Thu Mar 17 19:04:28 2016 +0000
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2015, 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 Verify that plugins inside modules works
+ * @library /tools/lib
+ * @modules
+ *      jdk.compiler/com.sun.tools.javac.api
+ *      jdk.compiler/com.sun.tools.javac.main
+ *      jdk.jdeps/com.sun.tools.javap
+ * @build ToolBox ModuleTestBase
+ * @run main PluginsInModulesTest
+ */
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.List;
+
+public class PluginsInModulesTest extends ModuleTestBase {
+
+    public static void main(String... args) throws Exception {
+        new PluginsInModulesTest().runTests();
+    }
+
+    private static final String pluginModule1 =
+            "module pluginMod1 {\n" +
+            "    requires jdk.compiler;\n" +
+            "\n" +
+            "    provides com.sun.source.util.Plugin\n" +
+            "      with mypkg1.SimplePlugin1;\n" +
+            "}";
+
+    private static final String plugin1 =
+            "package mypkg1;\n" +
+            "import com.sun.source.util.JavacTask;\n" +
+            "import com.sun.source.util.Plugin;\n" +
+            "import com.sun.source.util.TaskEvent;\n" +
+            "import com.sun.source.util.TaskListener;\n" +
+            "\n" +
+            "public class SimplePlugin1 implements Plugin {\n" +
+            "\n" +
+            "    @Override\n" +
+            "    public String getName() {\n" +
+            "        return \"simpleplugin1\";\n" +
+            "    }\n" +
+            "\n" +
+            "    @Override\n" +
+            "    public void init(JavacTask task, String... args) {\n" +
+            "        task.addTaskListener(new PostAnalyzeTaskListener());\n" +
+            "    }\n" +
+            "\n" +
+            "    private static class PostAnalyzeTaskListener implements TaskListener {\n" +
+            "        @Override\n" +
+            "        public void started(TaskEvent taskEvent) { \n" +
+            "            if (taskEvent.getKind().equals(TaskEvent.Kind.COMPILATION)) {\n" +
+            "                System.out.println(\"simpleplugin1 started for event \" + taskEvent.getKind());\n" +
+            "            }\n" +
+            "        }\n" +
+            "\n" +
+            "        @Override\n" +
+            "        public void finished(TaskEvent taskEvent) {\n" +
+            "            if (taskEvent.getKind().equals(TaskEvent.Kind.COMPILATION)) {\n" +
+            "                System.out.println(\"simpleplugin1 finished for event \" + taskEvent.getKind());\n" +
+            "            }\n" +
+            "        }\n" +
+            "    }\n" +
+            "}";
+
+    private static final String testClass = "class Test { }";
+
+    void initialization(Path base) throws Exception {
+        moduleSrc = base.resolve("plugin_mods_src");
+        Path pluginMod1 = moduleSrc.resolve("pluginMod1");
+
+        processorCompiledModules = base.resolve("mods");
+
+        Files.createDirectories(processorCompiledModules);
+
+        tb.writeJavaFiles(
+                pluginMod1,
+                pluginModule1,
+                plugin1);
+
+        String log = tb.new JavacTask()
+                .options("-modulesourcepath", moduleSrc.toString())
+                .outdir(processorCompiledModules)
+                .files(findJavaFiles(moduleSrc))
+                .run()
+                .writeAll()
+                .getOutput(ToolBox.OutputKind.DIRECT);
+
+        if (!log.isEmpty()) {
+            throw new AssertionError("Unexpected output: " + log);
+        }
+
+        classes = base.resolve("classes");
+        Files.createDirectories(classes);
+    }
+
+    Path processorCompiledModules;
+    Path moduleSrc;
+    Path classes;
+
+    @Test
+    void testUseOnlyOneProcessor(Path base) throws Exception {
+        initialization(base);
+        List<String> log = tb.new JavacTask()
+                .options("-processormodulepath", processorCompiledModules.toString(),
+                        "-Xplugin:simpleplugin1")
+                .outdir(classes)
+                .sources(testClass)
+                .run()
+                .writeAll()
+                .getOutputLines(ToolBox.OutputKind.STDOUT);
+        if (!log.equals(Arrays.asList("simpleplugin1 started for event COMPILATION",
+                                      "simpleplugin1 finished for event COMPILATION"))) {
+            throw new AssertionError("Unexpected output: " + log);
+        }
+    }
+}