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/*
* Copyright (C) 2024 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.lang.invoke.WrongMethodTypeException;
import java.util.Optional;
public class Multi {
public static MethodHandle $noinline$getMethodHandle() {
return OPTIONAL_GET;
}
// MethodHandle comes from a different dex file.
public static void $noinline$testMHFromMain(MethodHandle mh) throws Throwable {
Optional<Integer> nonEmpty = Optional.<Integer>of(1001);
Object result = (Object) mh.invokeExact(nonEmpty);
System.out.println("Multi: mh.invokeExact(nonEmpty)=" + result);
try {
mh.invokeExact(nonEmpty);
fail("mh.type() is (Optional)Object, but callsite is (Optional)V");
} catch (WrongMethodTypeException expected) {}
}
private static void fail(String msg) {
throw new AssertionError(msg);
}
private static final MethodHandle OPTIONAL_GET;
static {
try {
OPTIONAL_GET = MethodHandles.lookup()
.findVirtual(Optional.class, "get", MethodType.methodType(Object.class));
} catch (Throwable t) {
throw new RuntimeException(t);
}
}
}
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