1 /* 2 * Copyright (C) 2015 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 other.InaccessibleClass; 18 import other.InaccessibleClassProxy; 19 20 public class Main { 21 public static void main(String[] args) { 22 try { 23 testInstanceOf(); 24 } catch (IllegalAccessError e) { 25 System.out.println("Got expected error instanceof"); 26 } 27 28 try { 29 testInstanceOfNull(); 30 } catch (IllegalAccessError e) { 31 System.out.println("Got expected error instanceof null"); 32 } 33 34 try { 35 testCheckCastNull(); 36 } catch (IllegalAccessError e) { 37 System.out.println("Got expected error checkcast null"); 38 } 39 40 try { 41 testDontGvnLoadClassWithAccessChecks(new Object()); 42 } catch (IllegalAccessError e) { 43 System.out.println("Got expected error instanceof (keep LoadClass with access check)"); 44 } 45 } 46 47 /// CHECK-START: boolean Main.testInstanceOf() register (after) 48 /// CHECK: InstanceOf 49 public static boolean testInstanceOf() { 50 return ic instanceof InaccessibleClass; 51 } 52 53 /// CHECK-START: boolean Main.testInstanceOfNull() register (after) 54 /// CHECK: InstanceOf 55 public static boolean testInstanceOfNull() { 56 return null instanceof InaccessibleClass; 57 } 58 59 // TODO: write a test for for CheckCast with not null constant (after RTP can parse arguments). 60 61 /// CHECK-START: other.InaccessibleClass Main.testCheckCastNull() register (after) 62 /// CHECK: CheckCast 63 public static InaccessibleClass testCheckCastNull() { 64 return (InaccessibleClass) null; 65 } 66 67 /// CHECK-START: boolean Main.testDontGvnLoadClassWithAccessChecks(java.lang.Object) inliner (before) 68 /// CHECK: InvokeStaticOrDirect 69 70 /// CHECK-START: boolean Main.testDontGvnLoadClassWithAccessChecks(java.lang.Object) inliner (after) 71 /// CHECK-NOT: InvokeStaticOrDirect 72 73 /// CHECK-START: boolean Main.testDontGvnLoadClassWithAccessChecks(java.lang.Object) GVN (after) 74 /// CHECK: LoadClass needs_access_check:false 75 /// CHECK: LoadClass needs_access_check:true 76 public static boolean testDontGvnLoadClassWithAccessChecks(Object o) { 77 InaccessibleClassProxy.test(o); 78 return ic instanceof InaccessibleClass; 79 } 80 81 public static InaccessibleClass ic; 82 } 83
