diff -r aa8587804f92 -r 73c0973e8e0a ko/bck2brwsr/src/test/java/org/apidesign/html/ko2brwsr/Bck2BrwsrKnockoutTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ko/bck2brwsr/src/test/java/org/apidesign/html/ko2brwsr/Bck2BrwsrKnockoutTest.java	Mon Jun 24 17:50:44 2013 +0200
@@ -0,0 +1,124 @@
+/**
+ * HTML via Java(tm) Language Bindings
+ * Copyright (C) 2013 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. apidesign.org
+ * designates this particular file as subject to the
+ * "Classpath" exception as provided by apidesign.org
+ * in the License file that accompanied this code.
+ *
+ * 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://wiki.apidesign.org/wiki/GPLwithClassPathException
+ */
+package org.apidesign.html.ko2brwsr;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.Map;
+import net.java.html.BrwsrCtx;
+import org.apidesign.bck2brwsr.core.JavaScriptBody;
+import org.apidesign.bck2brwsr.vmtest.VMTest;
+import org.apidesign.html.context.spi.Contexts;
+import org.apidesign.html.json.spi.Technology;
+import org.apidesign.html.json.spi.Transfer;
+import org.apidesign.html.json.tck.KOTest;
+import org.apidesign.html.json.tck.KnockoutTCK;
+import org.openide.util.lookup.ServiceProvider;
+import org.testng.annotations.Factory;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+@ServiceProvider(service = KnockoutTCK.class)
+public final class Bck2BrwsrKnockoutTest extends KnockoutTCK {
+    @Factory public static Object[] create() {
+        return VMTest.newTests().
+            withClasses(testClasses()).
+            withLaunchers("bck2brwsr").
+            withTestAnnotation(KOTest.class).
+            build();
+    }
+    
+    @Override
+    public BrwsrCtx createContext() {
+        return Contexts.newBuilder().
+            register(Transfer.class, BrwsrCtxImpl.DEFAULT, 9).
+            register(Technology.class, BrwsrCtxImpl.DEFAULT, 9).build();
+    }
+
+
+    
+    @Override
+    public Object createJSON(Map<String, Object> values) {
+        Object json = createJSON();
+        
+        for (Map.Entry<String, Object> entry : values.entrySet()) {
+            putValue(json, entry.getKey(), entry.getValue());
+        }
+        return json;
+    }
+
+    @JavaScriptBody(args = {}, body = "return new Object();")
+    private static native Object createJSON();
+
+    @JavaScriptBody(args = { "json", "key", "value" }, body = "json[key] = value;")
+    private static native void putValue(Object json, String key, Object value);
+
+    @Override
+    public Object executeScript(String script, Object[] arguments) {
+        return execScript(script, arguments);
+    }
+    
+    @JavaScriptBody(args = { "s", "args" }, body = 
+        "var f = new Function(s); return f.apply(null, args);"
+    )
+    private static native Object execScript(String s, Object[] arguments);
+    
+    @JavaScriptBody(args = {  }, body = 
+          "var h;"
+        + "if (!!window && !!window.location && !!window.location.href)\n"
+        + "  h = window.location.href;\n"
+        + "else "
+        + "  h = null;"
+        + "return h;\n"
+    )
+    private static native String findBaseURL();
+    
+    @Override
+    public URI prepareURL(String content, String mimeType, String[] parameters) {
+        try {
+            final URL baseURL = new URL(findBaseURL());
+            StringBuilder sb = new StringBuilder();
+            sb.append("/dynamic?mimeType=").append(mimeType);
+            for (int i = 0; i < parameters.length; i++) {
+                sb.append("&param" + i).append("=").append(parameters[i]);
+            }
+            String mangle = content.replace("\n", "%0a")
+                .replace("\"", "\\\"").replace(" ", "%20");
+            sb.append("&content=").append(mangle);
+
+            URL query = new URL(baseURL, sb.toString());
+            String uri = (String) query.getContent(new Class[] { String.class });
+            URI connectTo = new URI(uri.trim());
+            return connectTo;
+        } catch (IOException ex) {
+            throw new IllegalStateException(ex);
+        } catch (URISyntaxException ex) {
+            throw new IllegalStateException(ex);
+        }
+    }    
+}