Main.java revision 0f45f22eb3c52f0ece4c56989180e79c6680d825
1/*
2 * Copyright (C) 2007 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/**
18 * generate a stack overflow condition and catch it
19 */
20public class Main {
21    public static void main(String args[]) {
22        testSelfRecursion();
23        testMutualRecursion();
24        System.out.println("SOE test done");
25    }
26
27    private static void testSelfRecursion() {
28//        try {
29//            stackOverflowTestSub0();
30//        }
31//        catch (StackOverflowError soe) {
32//            System.out.println("caught SOE0 in testSelfRecursion");
33//        }
34        try {
35            stackOverflowTestSub3(0.0, 1.0, 2.0);
36        }
37        catch (StackOverflowError soe) {
38            System.out.println("caught SOE3 in testSelfRecursion");
39        }
40        try {
41            stackOverflowTestSub10(0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0);
42        }
43        catch (StackOverflowError soe) {
44            System.out.println("caught SOE10 in testSelfRecursion");
45        }
46    }
47
48    private static void stackOverflowTestSub0() {
49        stackOverflowTestSub0();
50    }
51
52    private static void stackOverflowTestSub3(double pad1, double pad2, double pad3) {
53        stackOverflowTestSub3(pad1, pad2, pad3);
54    }
55
56    private static void stackOverflowTestSub10(double pad1, double pad2, double pad3, double pad4,
57                                               double pad5, double pad6, double pad7, double pad8,
58                                               double pad9, double pad10) {
59        stackOverflowTestSub10(pad1, pad2, pad3, pad4, pad5, pad6, pad7, pad8, pad9, pad10);
60    }
61
62    private static void testMutualRecursion() {
63        try {
64            foo(0.0, 0.0, 0.0);
65        }
66        catch (StackOverflowError soe) {
67            System.out.println("caught SOE in testMutualRecursion");
68        }
69    }
70
71    private static void foo(double pad1, double pad2, double pad3) {
72        bar(pad1, pad2, pad3);
73    }
74
75    private static void bar(double pad1, double pad2, double pad3) {
76        baz(pad1, pad2, pad3);
77    }
78
79    private static void baz(double pad1, double pad2, double pad3) {
80        qux(pad1, pad2, pad3);
81    }
82
83    private static void qux(double pad1, double pad2, double pad3) {
84        foo(pad1, pad2, pad3);
85    }
86}
87