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 
expectEquals(int expected, int result)21   public static void expectEquals(int expected, int result) {
22     if (expected != result) {
23       throw new Error("Expected: " + expected + ", found: " + result);
24     }
25   }
26 
expectEquals(long expected, long result)27   public static void expectEquals(long expected, long result) {
28     if (expected != result) {
29       throw new Error("Expected: " + expected + ", found: " + result);
30     }
31   }
32 
main(String[] args)33   public static void main(String[] args) throws Exception {
34     notInt();
35     notLong();
36   }
37 
notInt()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 
notLong()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 
smaliNotInt(int a)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 
smaliNotLong(long a)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