--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/tools/jlink/asmplugin/IdentityPluginTest.java	Thu Mar 17 19:04:16 2016 +0000
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+/*
+ * Asm plugin testing.
+ * @test
+ * @summary Test basic functionality.
+ * @author Jean-Francois Denise
+ * @modules java.base/jdk.internal.org.objectweb.asm
+ *          jdk.jlink/jdk.tools.jlink.internal
+ *          jdk.jlink/jdk.tools.jlink.internal.plugins.asm
+ * @build AsmPluginTestBase
+ * @run main IdentityPluginTest
+ */
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+
+import jdk.internal.org.objectweb.asm.ClassReader;
+import jdk.internal.org.objectweb.asm.ClassVisitor;
+import jdk.internal.org.objectweb.asm.ClassWriter;
+import jdk.internal.org.objectweb.asm.Opcodes;
+import jdk.tools.jlink.internal.plugins.asm.AsmPool.WritableClassPool;
+import jdk.tools.jlink.plugin.Pool;
+import jdk.tools.jlink.plugin.Pool.ModuleData;
+
+public class IdentityPluginTest extends AsmPluginTestBase {
+
+    public static void main(String[] args) throws Exception {
+        if (!isImageBuild()) {
+            System.err.println("Test not run. Not image build.");
+            return;
+        }
+        new IdentityPluginTest().test();
+    }
+
+    public void test() throws Exception {
+        IdentityPlugin asm = new IdentityPlugin();
+        Pool resourcePool = asm.visit(getPool());
+        asm.test(getPool(), resourcePool);
+    }
+
+    private class IdentityPlugin extends TestPlugin {
+
+        @Override
+        public void visit() {
+            for (ModuleData res : getPools().getGlobalPool().getClasses()) {
+                if (res.getPath().endsWith("module-info.class")) {
+                    continue;
+                }
+                ClassReader reader = getPools().getGlobalPool().getClassReader(res);
+                ClassWriter writer = new ClassWriter(reader, ClassWriter.COMPUTE_FRAMES);
+                IdentityClassVisitor visitor = new IdentityClassVisitor(writer);
+                reader.accept(visitor, ClassReader.EXPAND_FRAMES);
+                getPools().getGlobalPool().getTransformedClasses().addClass(writer);
+            }
+        }
+
+        @Override
+        public void test(Pool inResources, Pool outResources) throws IOException {
+            if (outResources.isEmpty()) {
+                throw new AssertionError("Empty result");
+            }
+            if (!isVisitCalled()) {
+                throw new AssertionError("Resources not visited");
+            }
+            WritableClassPool transformedClasses = getPools().getGlobalPool().getTransformedClasses();
+            if (transformedClasses.getClasses().size() != getClasses().size()) {
+                throw new AssertionError("Number of transformed classes not equal to expected");
+            }
+            for (String className : getClasses()) {
+                if (transformedClasses.getClassReader(className) == null) {
+                    throw new AssertionError("Class not transformed " + className);
+                }
+            }
+            for (ModuleData r : outResources.getContent()) {
+                if (r.getPath().endsWith(".class") && !r.getPath().endsWith("module-info.class")) {
+                    ClassReader reader = new ClassReader(new ByteArrayInputStream(r.getBytes()));
+                    ClassWriter w = new ClassWriter(reader, ClassWriter.COMPUTE_FRAMES);
+                    reader.accept(w, ClassReader.EXPAND_FRAMES);
+                }
+            }
+        }
+
+        @Override
+        public String getName() {
+            return "identity-plugin";
+        }
+    }
+
+    private static class IdentityClassVisitor extends ClassVisitor {
+        public IdentityClassVisitor(ClassWriter cv) {
+            super(Opcodes.ASM5, cv);
+        }
+    }
+}