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 import java.lang.invoke.WrongMethodTypeException; 19 import java.util.Objects; 20 import java.util.Optional; 21 22 public class Main { 23 main(String[] args)24 public static void main(String[] args) throws Throwable { 25 $noinline$testMethodHandleFromOtherDex(); 26 27 new ConstMethodHandleTest().runAll(); 28 new JavaApiTest().runAll(); 29 } 30 $noinline$testMethodHandleFromOtherDex()31 private static void $noinline$testMethodHandleFromOtherDex() throws Throwable { 32 MethodHandle mh = Multi.$noinline$getMethodHandle(); 33 Optional<String> nonEmpty = Optional.<String>of("hello"); 34 Object returnedObject = mh.invokeExact(nonEmpty); 35 assertEquals("hello", returnedObject); 36 37 try { 38 mh.invokeExact(nonEmpty); 39 unreachable("mh.type() is (Optional)Object, but callsite is (Optional)V"); 40 } catch (WrongMethodTypeException expected) {} 41 } 42 assertEquals(Object expected, Object actual)43 private static void assertEquals(Object expected, Object actual) { 44 if (!Objects.equals(expected, actual)) { 45 throw new AssertionError("Expected: " + expected + ", got: " + actual); 46 } 47 } 48 unreachable(String msg)49 private static void unreachable(String msg) { 50 throw new AssertionError("Unexpectedly reached this point, but shouldn't: " + msg); 51 } 52 } 53