diff -r 5652acd48509 -r d382dacfd73f rt/vm/src/test/java/org/apidesign/vm4brwsr/SystemTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/SystemTest.java	Tue Feb 26 16:54:16 2013 +0100
@@ -0,0 +1,56 @@
+/**
+ * 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 org.testng.annotations.BeforeClass;
+import static org.testng.Assert.*;
+import org.testng.annotations.Test;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public class SystemTest {
+    private static TestVM code;
+    
+    @Test public void verifyJSTime() throws Exception {
+        long now = System.currentTimeMillis();
+        
+        Object js = code.execCode("Get js time", 
+            org.apidesign.bck2brwsr.emul.lang.System.class, "currentTimeMillisDouble__D",
+            null
+        );
+        
+        assertTrue(js instanceof Double, "Double " + js);
+        long time = ((Double)js).longValue();
+        
+        long later = System.currentTimeMillis();
+        
+        assertTrue(now <= time, "Lower bound is OK: " + now + " <= " + time);
+        assertTrue(time <= later, "Upper bound is OK: " + time + " <= " + later);
+    }
+    
+    
+    @BeforeClass 
+    public static void compileTheCode() throws Exception {
+        code = TestVM.compileClass(
+            "org/apidesign/bck2brwsr/emul/lang/System");
+    }
+    
+}
+