Main.java revision 647b96f29cb81832e698f863884fdba06674c9de 
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
17import java.lang.reflect.Method;
18
19public 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