85 lines
3.3 KiB
Java
85 lines
3.3 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import annotations.BootstrapMethod;
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import annotations.CalledByIndy;
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import java.lang.invoke.CallSite;
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import java.lang.invoke.ConstantCallSite;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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public class TestLinkerMethodMinimalArguments extends TestBase {
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private static int forceFailureType = 0;
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static final int FAILURE_TYPE_NONE = 0;
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static final int FAILURE_TYPE_LINKER_METHOD_RETURNS_NULL = 1;
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static final int FAILURE_TYPE_LINKER_METHOD_THROWS = 2;
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static final int FAILURE_TYPE_TARGET_METHOD_THROWS = 3;
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@CalledByIndy(
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bootstrapMethod =
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@BootstrapMethod(
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enclosingType = TestLinkerMethodMinimalArguments.class,
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parameterTypes = {MethodHandles.Lookup.class, String.class, MethodType.class},
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name = "linkerMethod"
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),
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fieldOrMethodName = "_add",
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returnType = int.class,
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parameterTypes = {int.class, int.class}
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)
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private static int add(int a, int b) {
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assertNotReached();
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return -1;
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}
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@SuppressWarnings("unused")
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static int _add(int a, int b) {
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if (forceFailureType == FAILURE_TYPE_TARGET_METHOD_THROWS) {
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System.out.println("Throwing ArithmeticException in add()");
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throw new ArithmeticException("add");
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}
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return a + b;
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}
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@SuppressWarnings("unused")
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private static CallSite linkerMethod(
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MethodHandles.Lookup caller, String name, MethodType methodType) throws Throwable {
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System.out.println("linkerMethod failure type " + forceFailureType);
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MethodHandle mh_add =
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caller.findStatic(TestLinkerMethodMinimalArguments.class, name, methodType);
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switch (forceFailureType) {
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case FAILURE_TYPE_LINKER_METHOD_RETURNS_NULL:
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System.out.println(
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"Returning null instead of CallSite for " + name + " " + methodType);
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return null;
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case FAILURE_TYPE_LINKER_METHOD_THROWS:
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System.out.println("Throwing InstantiationException in linkerMethod()");
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throw new InstantiationException("linkerMethod");
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default:
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return new ConstantCallSite(mh_add);
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}
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}
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public static void test(int failureType, int x, int y) throws Throwable {
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assertTrue(failureType >= FAILURE_TYPE_NONE);
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assertTrue(failureType <= FAILURE_TYPE_TARGET_METHOD_THROWS);
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forceFailureType = failureType;
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assertEquals(x + y, add(x, y));
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System.out.println("Failure Type + " + failureType + " (" + x + y + ")");
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}
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}
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