Home | History | Annotate | Download | only in src
      1 /*
      2  * Copyright (C) 2018 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.io.*;
     18 
     19 /**
     20  * Regression test for b/75971227 (code sinking with exceptions).
     21  */
     22 public class Main {
     23 
     24   public static class N {
     25     int x;
     26   }
     27 
     28   private int f;
     29 
     30   public int doit(N n1) throws FileNotFoundException {
     31     int x = 1;
     32     N n3 = new N();
     33     try {
     34       if (n1.x == 0) {
     35         f = 11;
     36         x = 3;
     37       } else {
     38         f = x;
     39       }
     40       throw new FileNotFoundException("n3" + n3.x);
     41     } catch (NullPointerException e) {
     42     }
     43     return x;
     44   }
     45 
     46 
     47   public static void main(String[] args) {
     48     N n = new N();
     49     Main t = new Main();
     50     int x = 0;
     51 
     52     // Main 1, null pointer argument.
     53     t.f = 0;
     54     try {
     55       x = t.doit(null);
     56     } catch (FileNotFoundException e) {
     57       x = -1;
     58     }
     59     if (x != 1 || t.f != 0) {
     60       throw new Error("Main 1: x=" + x + " f=" + t.f);
     61     }
     62 
     63     // Main 2, n.x is 0.
     64     n.x = 0;
     65     try {
     66       x = t.doit(n);
     67     } catch (FileNotFoundException e) {
     68       x = -1;
     69     }
     70     if (x != -1 || t.f != 11) {
     71       throw new Error("Main 2: x=" + x + " f=" + t.f);
     72     }
     73 
     74     // Main 3, n.x is not 0.
     75     n.x = 1;
     76     try {
     77       x = t.doit(n);
     78     } catch (FileNotFoundException e) {
     79       x = -1;
     80     }
     81     if (x != -1 || t.f != 1) {
     82       throw new Error("Main 3: x=" + x + " f=" + t.f);
     83     }
     84 
     85     System.out.println("passed");
     86   }
     87 }
     88