1 /* 2 * Copyright (C) 2024 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.lang.invoke.MethodHandle; 18 19 import annotations.ConstantMethodHandle; 20 21 public class InvokeInterface { 22 23 private int instanceField; 24 unreachable()25 private static void unreachable() { 26 throw new AssertionError("unreachable!"); 27 } 28 29 @ConstantMethodHandle( 30 kind = ConstantMethodHandle.INVOKE_INTERFACE, 31 owner = "InvokeInterface", 32 fieldOrMethodName = "unreachable", 33 descriptor = "()V") forStaticMethod()34 private static MethodHandle forStaticMethod() { 35 unreachable(); 36 return null; 37 } 38 39 @ConstantMethodHandle( 40 kind = ConstantMethodHandle.INVOKE_INTERFACE, 41 owner = "java/lang/Object", 42 fieldOrMethodName = "hashCode", 43 descriptor = "()I") forInstanceMethod()44 private static MethodHandle forInstanceMethod() { 45 unreachable(); 46 return null; 47 } 48 49 @ConstantMethodHandle( 50 kind = ConstantMethodHandle.INVOKE_INTERFACE, 51 owner = "Main$I", 52 fieldOrMethodName = "privateMethod", 53 descriptor = "()V", 54 ownerIsInterface = true) inaccessiblePrivateInterfaceMethod()55 private static MethodHandle inaccessiblePrivateInterfaceMethod() { 56 unreachable(); 57 return null; 58 } 59 runTests()60 public static void runTests() { 61 try { 62 InvokeInterfaceForStaticMethod.runTests(); 63 unreachable(); 64 } catch (IncompatibleClassChangeError | ClassFormatError expected) {} 65 66 try { 67 InvokeInterfaceForInstanceMethod.runTests(); 68 unreachable(); 69 } catch (IncompatibleClassChangeError | ClassFormatError expected) {} 70 71 try { 72 InvokeInterfaceForConstructor.runTests(); 73 unreachable(); 74 } catch (IncompatibleClassChangeError | ClassFormatError expected) {} 75 76 try { 77 InvokeInterfaceForClassInitializer.runTests(); 78 unreachable(); 79 } catch (IncompatibleClassChangeError | ClassFormatError expected) {} 80 81 try { 82 inaccessiblePrivateInterfaceMethod(); 83 unreachable(); 84 } catch (IncompatibleClassChangeError expected) {} 85 } 86 87 } 88