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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 import static art.Redefinition.*;
     18 import java.lang.reflect.*;
     19 import java.util.Base64;
     20 
     21 class Main {
     22   public static String TEST_NAME = "938-load-transform-bcp";
     23 
     24   /**
     25    * base64 encoded class/dex file for
     26    *
     27    * // Yes this version of OptionalLong is not compatible with the real one but since it isn't used
     28    * // for anything in the runtime initialization it should be fine.
     29    *
     30    * package java.util;
     31    * public final class OptionalLong {
     32    *   private long val;
     33    *
     34    *   private OptionalLong(long abc) {
     35    *     this.val = abc;
     36    *   }
     37    *
     38    *   public static OptionalLong of(long abc) {
     39    *     return new OptionalLong(abc);
     40    *   }
     41    *
     42    *   public String foo() {
     43    *     return "This is foo for val=" + val;
     44    *   }
     45    *
     46    *   public String toString() {
     47    *     return "This is toString() for val=" + val;
     48    *   }
     49    * }
     50    */
     51   private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
     52     "yv66vgAAADQAKQoADAAaCQADABsHABwKAAMAHQcAHgoABQAaCAAfCgAFACAKAAUAIQoABQAiCAAj" +
     53     "BwAkAQADdmFsAQABSgEABjxpbml0PgEABChKKVYBAARDb2RlAQAPTGluZU51bWJlclRhYmxlAQAC" +
     54     "b2YBABsoSilMamF2YS91dGlsL09wdGlvbmFsTG9uZzsBAANmb28BABQoKUxqYXZhL2xhbmcvU3Ry" +
     55     "aW5nOwEACHRvU3RyaW5nAQAKU291cmNlRmlsZQEAEU9wdGlvbmFsTG9uZy5qYXZhDAAPACUMAA0A" +
     56     "DgEAFmphdmEvdXRpbC9PcHRpb25hbExvbmcMAA8AEAEAF2phdmEvbGFuZy9TdHJpbmdCdWlsZGVy" +
     57     "AQAUVGhpcyBpcyBmb28gZm9yIHZhbD0MACYAJwwAJgAoDAAXABYBABtUaGlzIGlzIHRvU3RyaW5n" +
     58     "KCkgZm9yIHZhbD0BABBqYXZhL2xhbmcvT2JqZWN0AQADKClWAQAGYXBwZW5kAQAtKExqYXZhL2xh" +
     59     "bmcvU3RyaW5nOylMamF2YS9sYW5nL1N0cmluZ0J1aWxkZXI7AQAcKEopTGphdmEvbGFuZy9TdHJp" +
     60     "bmdCdWlsZGVyOwAxAAMADAAAAAEAAgANAA4AAAAEAAIADwAQAAEAEQAAACoAAwADAAAACiq3AAEq" +
     61     "H7UAArEAAAABABIAAAAOAAMAAAAFAAQABgAJAAcACQATABQAAQARAAAAIQAEAAIAAAAJuwADWR63" +
     62     "AASwAAAAAQASAAAABgABAAAACgABABUAFgABABEAAAAvAAMAAQAAABe7AAVZtwAGEge2AAgqtAAC" +
     63     "tgAJtgAKsAAAAAEAEgAAAAYAAQAAAA4AAQAXABYAAQARAAAALwADAAEAAAAXuwAFWbcABhILtgAI" +
     64     "KrQAArYACbYACrAAAAABABIAAAAGAAEAAAASAAEAGAAAAAIAGQ==");
     65   private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
     66     "ZGV4CjAzNQAOe/TYJCvVthTToFA3tveMDhwTo7uDf0IcBAAAcAAAAHhWNBIAAAAAAAAAAHwDAAAU" +
     67     "AAAAcAAAAAYAAADAAAAABgAAANgAAAABAAAAIAEAAAkAAAAoAQAAAQAAAHABAACMAgAAkAEAAFYC" +
     68     "AABeAgAAYQIAAGQCAABoAgAAbAIAAIACAACUAgAArwIAAMkCAADcAgAA8gIAAA8DAAASAwAAFgMA" +
     69     "AB4DAAAyAwAANwMAADsDAABFAwAAAQAAAAUAAAAGAAAABwAAAAgAAAAMAAAAAgAAAAIAAAAAAAAA" +
     70     "AwAAAAMAAABIAgAABAAAAAMAAABQAgAAAwAAAAQAAABIAgAADAAAAAUAAAAAAAAADQAAAAUAAABI" +
     71     "AgAABAAAABMAAAABAAQAAAAAAAMABAAAAAAAAwABAA4AAAADAAIADgAAAAMAAAASAAAABAAFAAAA" +
     72     "AAAEAAAAEAAAAAQAAwARAAAABAAAABIAAAAEAAAAEQAAAAEAAAAAAAAACQAAAAAAAABiAwAAAAAA" +
     73     "AAQAAwABAAAASgMAAAYAAABwEAAAAQBaEgAADgAEAAIAAwAAAFIDAAAGAAAAIgAEAHAwBQAgAxEA" +
     74     "BQABAAMAAABYAwAAFwAAACIAAwBwEAEAAAAbAQoAAABuIAMAEAAMAFNCAABuMAIAIAMMAG4QBAAA" +
     75     "AAwAEQAAAAUAAQADAAAAXQMAABcAAAAiAAMAcBABAAAAGwELAAAAbiADABAADABTQgAAbjACACAD" +
     76     "DABuEAQAAAAMABEAAAABAAAAAAAAAAEAAAACAAY8aW5pdD4AAUoAAUwAAkxKAAJMTAASTGphdmEv" +
     77     "bGFuZy9PYmplY3Q7ABJMamF2YS9sYW5nL1N0cmluZzsAGUxqYXZhL2xhbmcvU3RyaW5nQnVpbGRl" +
     78     "cjsAGExqYXZhL3V0aWwvT3B0aW9uYWxMb25nOwART3B0aW9uYWxMb25nLmphdmEAFFRoaXMgaXMg" +
     79     "Zm9vIGZvciB2YWw9ABtUaGlzIGlzIHRvU3RyaW5nKCkgZm9yIHZhbD0AAVYAAlZKAAZhcHBlbmQA" +
     80     "EmVtaXR0ZXI6IGphY2stNC4yMgADZm9vAAJvZgAIdG9TdHJpbmcAA3ZhbAAFAQAHDjwtAAoBAAcO" +
     81     "AA4ABw4AEgAHDgAAAQICAAIFgoAEkAMCCawDBgHIAwIBiAQAAA0AAAAAAAAAAQAAAAAAAAABAAAA" +
     82     "FAAAAHAAAAACAAAABgAAAMAAAAADAAAABgAAANgAAAAEAAAAAQAAACABAAAFAAAACQAAACgBAAAG" +
     83     "AAAAAQAAAHABAAABIAAABAAAAJABAAABEAAAAgAAAEgCAAACIAAAFAAAAFYCAAADIAAABAAAAEoD" +
     84     "AAAAIAAAAQAAAGIDAAAAEAAAAQAAAHwDAAA=");
     85 
     86   public static ClassLoader getClassLoaderFor(String location) throws Exception {
     87     try {
     88       Class<?> class_loader_class = Class.forName("dalvik.system.PathClassLoader");
     89       Constructor<?> ctor = class_loader_class.getConstructor(String.class, ClassLoader.class);
     90       return (ClassLoader)ctor.newInstance(location + "/" + TEST_NAME + "-ex.jar",
     91                                            Main.class.getClassLoader());
     92     } catch (ClassNotFoundException e) {
     93       // Running on RI. Use URLClassLoader.
     94       return new java.net.URLClassLoader(
     95           new java.net.URL[] { new java.net.URL("file://" + location + "/classes-ex/") });
     96     }
     97   }
     98 
     99   public static void main(String[] args) {
    100     setPopRetransformations(false);
    101     addCommonTransformationResult("java/util/OptionalLong", CLASS_BYTES, DEX_BYTES);
    102     enableCommonRetransformation(true);
    103     try {
    104       /* this is the "alternate" DEX/Jar file */
    105       ClassLoader new_loader = getClassLoaderFor(System.getenv("DEX_LOCATION"));
    106       Class<?> klass = (Class<?>)new_loader.loadClass("TestMain");
    107       if (klass == null) {
    108         throw new AssertionError("loadClass failed");
    109       }
    110       Method run_test = klass.getMethod("runTest");
    111       run_test.invoke(null);
    112     } catch (Exception e) {
    113       System.out.println(e.toString());
    114       e.printStackTrace(System.out);
    115     }
    116   }
    117 }
    118