/*

 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/**

 * @test

 * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")

 * @modules jdk.vm.ci/jdk.vm.ci.hotspot

 *          jdk.vm.ci/jdk.vm.ci.code

 *          jdk.vm.ci/jdk.vm.ci.code.site

 *          jdk.vm.ci/jdk.vm.ci.meta

 *          jdk.vm.ci/jdk.vm.ci.runtime

 *          jdk.vm.ci/jdk.vm.ci.common

 * @compile CodeInstallerTest.java

 * @run junit/othervm -da:jdk.vm.ci... -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI compiler.jvmci.errors.TestInvalidOopMap

 */

package compiler.jvmci.errors;

import jdk.vm.ci.code.BytecodePosition;

import jdk.vm.ci.code.DebugInfo;

import jdk.vm.ci.code.Location;

import jdk.vm.ci.code.ReferenceMap;

import jdk.vm.ci.code.Register;

import jdk.vm.ci.code.StackSlot;

import jdk.vm.ci.code.site.DataPatch;

import jdk.vm.ci.code.site.Infopoint;

import jdk.vm.ci.code.site.InfopointReason;

import jdk.vm.ci.code.site.Site;

import jdk.vm.ci.common.JVMCIError;

import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment;

import jdk.vm.ci.hotspot.HotSpotReferenceMap;

import jdk.vm.ci.meta.Assumptions.Assumption;

import jdk.vm.ci.meta.JavaKind;

import jdk.vm.ci.meta.PlatformKind;

import org.junit.Test;

/**

 * Tests for errors in oop maps.

 */

public class TestInvalidOopMap extends CodeInstallerTest {

    private static class InvalidReferenceMap extends ReferenceMap {

    }

    private void test(ReferenceMap refMap) {

        BytecodePosition pos = new BytecodePosition(null, dummyMethod, 0);

        DebugInfo info = new DebugInfo(pos);

        info.setReferenceMap(refMap);

        installEmptyCode(new Site[]{new Infopoint(0, info, InfopointReason.SAFEPOINT)}, new Assumption[0], new Comment[0], 16, new DataPatch[0], StackSlot.get(null, 0, true));

    }

    @Test(expected = NullPointerException.class)

    public void testMissingReferenceMap() {

        test(null);

    }

    @Test(expected = JVMCIError.class)

    public void testInvalidReferenceMap() {

        test(new InvalidReferenceMap());

    }

    @Test(expected = NullPointerException.class)

    public void testNullOops() {

        test(new HotSpotReferenceMap(null, new Location[0], new int[0], 8));

    }

    @Test(expected = NullPointerException.class)

    public void testNullBase() {

        test(new HotSpotReferenceMap(new Location[0], null, new int[0], 8));

    }

    @Test(expected = NullPointerException.class)

    public void testNullSize() {

        test(new HotSpotReferenceMap(new Location[0], new Location[0], null, 8));

    }

    @Test(expected = JVMCIError.class)

    public void testInvalidLength() {

        test(new HotSpotReferenceMap(new Location[1], new Location[2], new int[3], 8));

    }

    @Test(expected = JVMCIError.class)

    public void testInvalidShortOop() {

        PlatformKind kind = arch.getPlatformKind(JavaKind.Short);

        Register reg = getRegister(kind, 0);

        Location[] oops = new Location[]{Location.register(reg)};

        Location[] base = new Location[]{null};

        int[] size = new int[]{kind.getSizeInBytes()};

        test(new HotSpotReferenceMap(oops, base, size, 8));

    }

}