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      1 /*
      2  * Copyright (C) 2014 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 java.lang.reflect.Method;
     18 
     19 public class Main {
     20 
     21   public static void expectEquals(int expected, int result) {
     22     if (expected != result) {
     23       throw new Error("Expected: " + expected + ", found: " + result);
     24     }
     25   }
     26 
     27   public static void expectEquals(long expected, long result) {
     28     if (expected != result) {
     29       throw new Error("Expected: " + expected + ", found: " + result);
     30     }
     31   }
     32 
     33   public static void main(String[] args) throws Exception {
     34     notInt();
     35     notLong();
     36   }
     37 
     38   private static void notInt() throws Exception {
     39     expectEquals(1, smaliNotInt(-2));
     40     expectEquals(0, smaliNotInt(-1));
     41     expectEquals(-1, smaliNotInt(0));
     42     expectEquals(-2, smaliNotInt(1));
     43     expectEquals(2147483647, smaliNotInt(-2147483648));  // -(2^31)
     44     expectEquals(2147483646, smaliNotInt(-2147483647));  // -(2^31 - 1)
     45     expectEquals(-2147483647, smaliNotInt(2147483646));  // 2^31 - 2
     46     expectEquals(-2147483648, smaliNotInt(2147483647));  // 2^31 - 1
     47   }
     48 
     49   private static void notLong() throws Exception {
     50     expectEquals(1L, smaliNotLong(-2L));
     51     expectEquals(0L, smaliNotLong(-1L));
     52     expectEquals(-1L, smaliNotLong(0L));
     53     expectEquals(-2L, smaliNotLong(1L));
     54     expectEquals(2147483647L, smaliNotLong(-2147483648L));  // -(2^31)
     55     expectEquals(2147483646L, smaliNotLong(-2147483647L));  // -(2^31 - 1)
     56     expectEquals(-2147483647L, smaliNotLong(2147483646L));  // 2^31 - 2
     57     expectEquals(-2147483648L, smaliNotLong(2147483647L));  // 2^31 - 1
     58     expectEquals(9223372036854775807L, smaliNotLong(-9223372036854775808L));  // -(2^63)
     59     expectEquals(9223372036854775806L, smaliNotLong(-9223372036854775807L));  // -(2^63 - 1)
     60     expectEquals(-9223372036854775807L, smaliNotLong(9223372036854775806L));  // 2^63 - 2
     61     expectEquals(-9223372036854775808L, smaliNotLong(9223372036854775807L));  // 2^63 - 1
     62   }
     63 
     64   // Wrappers around methods located in file not.smali.
     65 
     66   private static int smaliNotInt(int a) throws Exception {
     67     Class<?> c = Class.forName("TestNot");
     68     Method m = c.getMethod("$opt$NotInt", int.class);
     69     int result = (Integer)m.invoke(null, a);
     70     return result;
     71   }
     72 
     73   private static long smaliNotLong(long a) throws Exception {
     74     Class<?> c = Class.forName("TestNot");
     75     Method m = c.getMethod("$opt$NotLong", long.class);
     76     long result = (Long)m.invoke(null, a);
     77     return result;
     78   }
     79 }
     80