diff -r 1ee59fe94653 -r d382dacfd73f rt/vmtest/src/test/java/org/apidesign/bck2brwsr/vmtest/impl/ZipFileTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rt/vmtest/src/test/java/org/apidesign/bck2brwsr/vmtest/impl/ZipFileTest.java	Tue Feb 26 16:54:16 2013 +0100
@@ -0,0 +1,108 @@
+/**
+ * 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.vmtest.impl;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Objects;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+import org.apidesign.bck2brwsr.core.JavaScriptBody;
+import org.apidesign.bck2brwsr.vmtest.BrwsrTest;
+import org.apidesign.bck2brwsr.vmtest.Compare;
+import org.apidesign.bck2brwsr.vmtest.Http;
+import org.apidesign.bck2brwsr.vmtest.VMTest;
+import org.testng.annotations.Factory;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+@GenerateZip(name = "readAnEntry.zip", contents = { 
+    "my/main/file.txt", "Hello World!"
+})
+public class ZipFileTest {
+    
+    @Compare public String readAnEntry() throws IOException {
+        InputStream is = ZipFileTest.class.getResourceAsStream("readAnEntry.zip");
+        ZipInputStream zip = new ZipInputStream(is);
+        ZipEntry entry = zip.getNextEntry();
+        assertEquals(entry.getName(), "my/main/file.txt", "Correct entry");
+
+        byte[] arr = new byte[4096];
+        int len = zip.read(arr);
+        
+        assertEquals(zip.getNextEntry(), null, "No next entry");
+        
+        final String ret = new String(arr, 0, len, "UTF-8");
+        return ret;
+    }
+    
+    @JavaScriptBody(args = { "res", "path" }, body = 
+          "var myvm = bck2brwsr.apply(null, path);\n"
+        + "var cls = myvm.loadClass('java.lang.String');\n"
+        + "return cls.getClass__Ljava_lang_Class_2().getResourceAsStream__Ljava_io_InputStream_2Ljava_lang_String_2(res);\n"
+    )
+    private static native Object loadVMResource(String res, String...path);
+
+    @Http({
+        @Http.Resource(path = "/readAnEntry.jar", mimeType = "x-application/zip", content = "", resource="readAnEntry.zip")
+    })
+    @BrwsrTest  public void canVmLoadResourceFromZip() throws IOException {
+        Object res = loadVMResource("/my/main/file.txt", "/readAnEntry.jar");
+        assert res instanceof InputStream : "Got array of bytes: " + res;
+        InputStream is = (InputStream)res;
+        
+        byte[] arr = new byte[4096];
+        int len = is.read(arr);
+        
+        final String ret = new String(arr, 0, len, "UTF-8");
+
+        assertEquals(ret, "Hello World!", "Can read the bytes");
+    }
+    
+    @GenerateZip(name = "cpattr.zip", contents = { 
+        "META-INF/MANIFEST.MF", "Manifest-Version: 1.0\n"
+        + "Created-By: hand\n"
+        + "Class-Path: realJar.jar\n\n\n"
+    })
+    @Http({
+        @Http.Resource(path = "/readComplexEntry.jar", mimeType = "x-application/zip", content = "", resource="cpattr.zip"),
+        @Http.Resource(path = "/realJar.jar", mimeType = "x-application/zip", content = "", resource="readAnEntry.zip"),
+    })
+    @BrwsrTest  public void understandsClassPathAttr() throws IOException {
+        Object res = loadVMResource("/my/main/file.txt", "/readComplexEntry.jar");
+        assert res instanceof InputStream : "Got array of bytes: " + res;
+        InputStream is = (InputStream)res;
+        
+        byte[] arr = new byte[4096];
+        int len = is.read(arr);
+        
+        final String ret = new String(arr, 0, len, "UTF-8");
+
+        assertEquals(ret, "Hello World!", "Can read the bytes from secondary JAR");
+    }
+    
+    private static void assertEquals(Object real, Object exp, String msg) {
+        assert Objects.equals(exp, real) : msg + " exp: " + exp + " real: " + real;
+    }
+    
+    @Factory public static Object[] create() {
+        return VMTest.create(ZipFileTest.class);
+    }
+}