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 doit(N n1)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 main(String[] args)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