diff -r 000000000000 -r 1f4a029d2826 vm/src/test/java/org/apidesign/vm4brwsr/ClassTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/ClassTest.java	Thu Nov 29 21:42:25 2012 +0100
@@ -0,0 +1,65 @@
+/**
+ * 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.vm4brwsr;
+
+import javax.script.Invocable;
+import org.testng.annotations.Test;
+import static org.testng.Assert.*;
+import org.testng.annotations.BeforeClass;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public class ClassTest {
+
+    @Test public void superClassEqualsGetSuperclass() {
+        assertTrue(Classes.equalsClassesOfExceptions(), "Classes are equal");
+    }
+
+    @Test public void jsSuperClassEqualsGetSuperclass() throws Exception {
+        assertExec("Classes are equal", Classes.class, "equalsClassesOfExceptionsZ", Double.valueOf(1.0));
+    }
+
+    @Test public void classesAreDifferent() {
+        assertTrue(Classes.differenceInClasses(), "Classes are not equal");
+    }
+
+    @Test public void jsClassesAreDifferent() throws Exception {
+        assertExec("Classes are not equal", Classes.class, "differenceInClassesZ", Double.valueOf(1.0));
+    }
+    
+    private static CharSequence codeSeq;
+    private static Invocable code;
+    
+    @BeforeClass
+    public void compileTheCode() throws Exception {
+        if (codeSeq == null) {
+            StringBuilder sb = new StringBuilder();
+            code = StaticMethodTest.compileClass(sb, "org/apidesign/vm4brwsr/Classes");
+            codeSeq = sb;
+        }
+    }
+    
+    private void assertExec(
+        String msg, Class clazz, String method, Object expRes, Object... args
+    ) throws Exception {
+        StaticMethodTest.assertExec(code, codeSeq, msg, clazz, method, expRes, args);
+    }
+    
+}