diff -r 15f7116b57b6 -r 3a1f262311cf rt/emul/compacttest/src/test/java/org/apidesign/bck2brwsr/tck/ResourcesTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rt/emul/compacttest/src/test/java/org/apidesign/bck2brwsr/tck/ResourcesTest.java	Wed Nov 19 19:32:00 2014 +0100
@@ -0,0 +1,190 @@
+/**
+ * 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.tck;
+
+import java.io.ByteArrayInputStream;
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.Enumeration;
+import net.java.html.js.JavaScriptBody;
+import org.apidesign.bck2brwsr.vmtest.BrwsrTest;
+import org.apidesign.bck2brwsr.vmtest.Compare;
+import org.apidesign.bck2brwsr.vmtest.VMTest;
+import org.testng.annotations.Factory;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+public class ResourcesTest {
+    @Compare public String allManifests() throws Exception {
+        Enumeration<URL> en = ClassLoader.getSystemResources("META-INF/MANIFEST.MF");
+        assert en.hasMoreElements() : "Should have at least one manifest";
+        String first = readString(en.nextElement().openStream());
+        boolean different = false;
+        int cnt = 1;
+        while (en.hasMoreElements()) {
+            URL url = en.nextElement();
+            String now = readString(url.openStream());
+            if (!first.equals(now)) {
+                different = true;
+            }
+            cnt++;
+            if (cnt > 500) {
+                throw new IllegalStateException(
+                    "Giving up. First manifest:\n" + first + 
+                    "\nLast manifest:\n" + now
+                );
+            }
+        }
+        assert different : "Not all manifests should look like first one:\n" + first;
+        if (cnt > 40 && cnt < 50) {
+            return "OK";
+        } else {
+            return "" + cnt;
+        }
+    }
+    
+    @Compare public String readResourceAsStream() throws Exception {
+        InputStream is = getClass().getResourceAsStream("Resources.txt");
+        return readString(is);
+    }
+    
+    @Compare public String readResourceViaXMLHttpRequest() throws Exception {
+        return readResourceViaXHR("Resources.txt", null);
+    }
+    
+    @BrwsrTest public void xhrTestedInBrowser() throws Exception {
+        boolean[] run = { false };
+        readResourceViaXHR("Resources.txt", run);
+        assert run[0] : "XHR really used in browser";
+    }
+
+    @Compare public String readBinaryResourceViaXMLHttpRequest() throws Exception {
+        return readResourceViaXHR("0xfe", null);
+    }
+
+    private String readResourceViaXHR(final String res, boolean[] exec) throws IOException {
+        URL url = getClass().getResource(res);
+        URLConnection conn = url.openConnection();
+        String java = readBytes(url.openStream());
+        String java2 = readBytes(conn.getInputStream());
+        assert java.equals(java2) : "Java:\n" + java + "\nConn:\n" + java2;
+        
+        URL url2 = conn.getURL();
+        String java3 = readBytes(url.openStream());
+        assert java.equals(java3) : "Java:\n" + java + "\nConnURL:\n" + java3;
+        
+        
+        byte[] xhr = readXHR(url2.toExternalForm());
+        if (xhr != null) {
+            if (exec != null) {
+                exec[0] = true;
+            }
+            String s = readBytes(new ByteArrayInputStream(xhr));
+            assert java.equals(s) : "Java:\n" + java + "\nXHR:\n" + s;
+            
+            assert conn instanceof Closeable : "Can be closed";
+            
+            Closeable c = (Closeable) conn;
+            c.close();
+            
+            byte[] xhr2 = null;
+            try {
+                xhr2 = readXHR(url2.toExternalForm());
+            } catch (Throwable t) {
+                // OK, expecting error
+            }
+            assert xhr2 == null : "Cannot read the URL anymore";
+        }
+        return java;
+    }
+
+    @JavaScriptBody(args = { "url" }, body =
+        "if (typeof XMLHttpRequest === 'undefined') return null;\n" +
+        "var xhr = new XMLHttpRequest();\n" +
+        "xhr.overrideMimeType('text\\/plain; charset=x-user-defined');\n" +
+        "xhr.open('GET', url, false);\n" +
+        "xhr.send();\n" +
+        "if (xhr.status >= 300) throw 'Status: ' + xhr.status + ' ' + xhr.statusText;\n" +
+        "var ret = []\n" +
+        "for (var i = 0; i < xhr.responseText.length; i++) {\n" +
+        "  var b = xhr.responseText.charCodeAt(i) & 0xff;\n" +
+        "  if (b > 127) b -= 256;\n" +
+        "  ret.push(b);\n" +
+        "}\n" +
+        "return ret;\n"
+    )
+    private static byte[] readXHR(String url) {
+        return null;
+    }
+    
+    @Compare public String readResourceViaConnection() throws Exception {
+        final URL url = getClass().getResource("Resources.txt");
+        String str = url.toExternalForm();
+        int idx = str.indexOf("org/apidesign/bck2brwsr/tck");
+        assert idx >= 0 : "Package name found in the URL name: " + str;
+        InputStream is = url.openConnection().getInputStream();
+        return readString(is);
+    }
+
+    private String readString(InputStream is) throws IOException {
+        StringBuilder sb = new StringBuilder();
+        byte[] b = new byte[512];
+        for (;;) { 
+            int len = is.read(b);
+            if (len == -1) {
+                return sb.toString();
+            }
+            for (int i = 0; i < len; i++) {
+                sb.append((char)b[i]);
+            }
+        }
+    }
+
+    private String readBytes(InputStream is) throws IOException {
+        StringBuilder sb = new StringBuilder();
+        byte[] b = new byte[512];
+        for (;;) { 
+            int len = is.read(b);
+            if (len == -1) {
+                return sb.toString();
+            }
+            for (int i = 0; i < len; i++) {
+                sb.append((int)b[i]).append(" ");
+            }
+        }
+    }
+
+    @Compare public String readResourceAsStreamFromClassLoader() throws Exception {
+        InputStream is = getClass().getClassLoader().getResourceAsStream("org/apidesign/bck2brwsr/tck/Resources.txt");
+        return readString(is);
+    }
+    
+    @Compare public String toURIFromURL() throws Exception {
+        URL u = new URL("http://apidesign.org");
+        return u.toURI().toString();
+    }
+    
+    @Factory public static Object[] create() {
+        return VMTest.create(ResourcesTest.class);
+    }
+}