diff -r 000000000000 -r 3485327d3080 vmtest/src/main/java/org/apidesign/bck2brwsr/vmtest/impl/Bck2BrwsrCase.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vmtest/src/main/java/org/apidesign/bck2brwsr/vmtest/impl/Bck2BrwsrCase.java	Sun Dec 23 23:30:06 2012 +0100
@@ -0,0 +1,130 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.vmtest.impl;
+
+import java.lang.reflect.Method;
+import java.util.Map;
+import java.util.WeakHashMap;
+import javax.script.Invocable;
+import org.apidesign.bck2brwsr.launcher.MethodInvocation;
+import org.testng.ITest;
+import org.testng.annotations.Test;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public final class Bck2BrwsrCase implements ITest {
+    private final Method m;
+    private final Launchers l;
+    private final int type;
+    Object value;
+    private Invocable code;
+    private CharSequence codeSeq;
+    private static final Map<Class, Object[]> compiled = new WeakHashMap<>();
+    private Object inst;
+
+    Bck2BrwsrCase(Method m, int type, Launchers l) {
+        this.l = l;
+        this.m = m;
+        this.type = type;
+    }
+
+    @Test(groups = "run")
+    public void executeCode() throws Throwable {
+        if (type == 1) {
+            MethodInvocation c = l.addMethod(m.getDeclaringClass(), m.getName(), false);
+            value = c.toString();
+        } else if (type == 2) {
+            MethodInvocation c = l.addMethod(m.getDeclaringClass(), m.getName(), true);
+            value = c.toString();
+        } else {
+            value = m.invoke(m.getDeclaringClass().newInstance());
+        }
+    }
+
+    @Override
+    public String getTestName() {
+        return m.getName() + "[" + typeName() + "]";
+    }
+
+    final String typeName() {
+        switch (type) {
+            case 0:
+                return "Java";
+            case 1:
+                return "JavaScript";
+            case 2:
+                return "Browser";
+            default:
+                return "Unknown type " + type;
+        }
+    }
+
+    private static String computeSignature(Method m) {
+        StringBuilder sb = new StringBuilder();
+        appendType(sb, m.getReturnType());
+        for (Class<?> c : m.getParameterTypes()) {
+            appendType(sb, c);
+        }
+        return sb.toString();
+    }
+
+    private static void appendType(StringBuilder sb, Class<?> t) {
+        if (t == null) {
+            sb.append('V');
+            return;
+        }
+        if (t.isPrimitive()) {
+            int ch = -1;
+            if (t == int.class) {
+                ch = 'I';
+            }
+            if (t == short.class) {
+                ch = 'S';
+            }
+            if (t == byte.class) {
+                ch = 'B';
+            }
+            if (t == boolean.class) {
+                ch = 'Z';
+            }
+            if (t == long.class) {
+                ch = 'J';
+            }
+            if (t == float.class) {
+                ch = 'F';
+            }
+            if (t == double.class) {
+                ch = 'D';
+            }
+            assert ch != -1 : "Unknown primitive type " + t;
+            sb.append((char) ch);
+            return;
+        }
+        if (t.isArray()) {
+            sb.append("_3");
+            appendType(sb, t.getComponentType());
+            return;
+        }
+        sb.append('L');
+        sb.append(t.getName().replace('.', '_'));
+        sb.append("_2");
+    }
+    
+}