/*
 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 */


package org.graalvm.compiler.hotspot.test;

import org.junit.Test;

import org.graalvm.compiler.core.common.spi.ForeignCallsProvider;
import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.graalvm.compiler.hotspot.meta.HotSpotForeignCallsProviderImpl;
import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.extended.ForeignCallNode;
import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin;
import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins;

import jdk.vm.ci.meta.JavaKind;
import jdk.vm.ci.meta.ResolvedJavaMethod;

/**
 * Tests that deoptimization upon exception handling works.
 */
public class ForeignCallDeoptimizeTest extends GraalCompilerTest {

    @Override
    protected void registerInvocationPlugins(InvocationPlugins invocationPlugins) {
        ForeignCallsProvider foreignCalls = ((HotSpotProviders) getProviders()).getForeignCalls();
        invocationPlugins.register(new InvocationPlugin() {

            @Override
            public boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, Receiver receiver, ValueNode arg) {
                ForeignCallNode node = new ForeignCallNode(foreignCalls, HotSpotForeignCallsProviderImpl.TEST_DEOPTIMIZE_CALL_INT, arg);
                b.addPush(JavaKind.Int, node);
                return true;
            }
        }, ForeignCallDeoptimizeTest.class, "testCallInt", int.class);
        super.registerInvocationPlugins(invocationPlugins);
    }

    public static int testCallInt(int value) {
        return value;
    }

    public static int testForeignCall(int value) {
        if (testCallInt(value) != value) {
            throw new InternalError();
        }
        return value;
    }

    @Test
    public void test1() {
        test("testForeignCall", 0);
    }

    @Test
    public void test2() {
        test("testForeignCall", -1);
    }
}
