diff -r a5f8cb32549e -r 590958fcb7d7 javaquery/api/src/test/java/org/apidesign/bck2brwsr/htmlpage/ProcessPageTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaquery/api/src/test/java/org/apidesign/bck2brwsr/htmlpage/ProcessPageTest.java	Fri Nov 09 11:47:00 2012 +0100
@@ -0,0 +1,148 @@
+/**
+ * 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.htmlpage;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.reflect.Method;
+import java.util.Set;
+import javax.script.Invocable;
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
+import org.testng.annotations.Test;
+import static org.testng.Assert.*;
+
+public class ProcessPageTest {
+    
+    
+    @Test public void findsThreeIds() throws IOException {
+        InputStream is = ProcessPageTest.class.getResourceAsStream("TestPage.html");
+        assertNotNull(is, "Sample HTML page found");
+        ProcessPage res = ProcessPage.readPage(is);
+        final Set<String> ids = res.ids();
+        assertEquals(ids.size(), 3, "Three ids found: " + ids);
+        
+        assertEquals(res.tagNameForId("pg.title"), "title");
+        assertEquals(res.tagNameForId("pg.button"), "button");
+        assertEquals(res.tagNameForId("pg.text"), "input");
+    }
+    
+    @Test public void testCompileAndRunPageController() throws Exception {
+        StringBuilder sb = new StringBuilder();
+        sb.append(
+              "var window = new Object();\n"
+            + "var doc = new Object();\n"
+            + "doc.button = new Object();\n"
+            + "doc.title = new Object();\n"
+            + "doc.title.innerHTML = 'nothing';\n"
+            + "doc.text = new Object();\n"
+            + "doc.text.value = 'something';\n"
+            + "doc.getElementById = function(id) {\n"
+            + "    switch(id) {\n"
+            + "      case 'pg.button': return doc.button;\n"
+            + "      case 'pg.title': return doc.title;\n"
+            + "      case 'pg.text': return doc.text;\n"
+            + "    }\n"
+            + "    throw id;\n"
+            + "  }\n"
+            + "\n"
+            + "function clickAndCheck() {\n"
+            + "  doc.button.onclick();\n"
+            + "  return doc.title.innerHTML.toString();\n"
+            + "};\n"
+            + "\n"
+            + "window.document = doc;\n"
+        );
+        Invocable i = compileClass(sb, "org/apidesign/bck2brwsr/htmlpage/PageController");
+
+        Object ret = null;
+        try {
+            ret = i.invokeFunction("clickAndCheck");
+        } catch (ScriptException ex) {
+            fail("Execution failed in " + sb, ex);
+        } catch (NoSuchMethodException ex) {
+            fail("Cannot find method in " + sb, ex);
+        }
+        assertEquals(ret, "You want this window to be named something", "We expect that the JavaCode performs all the wiring");
+    }
+    
+    @Test public void clickWithArgumentCalled() throws Exception {
+        StringBuilder sb = new StringBuilder();
+        sb.append(
+              "var window = new Object();\n"
+            + "var doc = new Object();\n"
+            + "doc.button = new Object();\n"
+            + "doc.title = new Object();\n"
+            + "doc.title.innerHTML = 'nothing';\n"
+            + "doc.text = new Object();\n"
+            + "doc.text.value = 'something';\n"
+            + "doc.getElementById = function(id) {\n"
+            + "    switch(id) {\n"
+            + "      case 'pg.button': return doc.button;\n"
+            + "      case 'pg.title': return doc.title;\n"
+            + "      case 'pg.text': return doc.text;\n"
+            + "    }\n"
+            + "    throw id;\n"
+            + "  }\n"
+            + "\n"
+            + "function clickAndCheck() {\n"
+            + "  doc.title.onclick();\n"
+            + "  return doc.title.innerHTML.toString();\n"
+            + "};\n"
+            + "\n"
+            + "window.document = doc;\n"
+        );
+        Invocable i = compileClass(sb, "org/apidesign/bck2brwsr/htmlpage/PageController");
+
+        Object ret = null;
+        try {
+            ret = i.invokeFunction("clickAndCheck");
+        } catch (ScriptException ex) {
+            fail("Execution failed in " + sb, ex);
+        } catch (NoSuchMethodException ex) {
+            fail("Cannot find method in " + sb, ex);
+        }
+        assertEquals(ret, "pg.title", "Title has been passed to the method argument");
+    }
+
+    static Invocable compileClass(StringBuilder sb, String... names) throws ScriptException, IOException {
+        if (sb == null) {
+            sb = new StringBuilder();
+        }
+        try {
+            Method m;
+            Class<?> genJS = Class.forName("org.apidesign.vm4brwsr.GenJS");
+            m = genJS.getDeclaredMethod("compile", Appendable.class, String[].class);
+            m.setAccessible(true);
+            m.invoke(null, sb, names);
+        } catch (Exception exception) {
+            throw new IOException(exception);
+        }
+        ScriptEngineManager sem = new ScriptEngineManager();
+        ScriptEngine js = sem.getEngineByExtension("js");
+        try {
+            Object res = js.eval(sb.toString());
+            assertTrue(js instanceof Invocable, "It is invocable object: " + res);
+            return (Invocable) js;
+        } catch (ScriptException ex) {
+            fail("Could not compile:\n" + sb, ex);
+            return null;
+        }
+    }
+}