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

 *

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 *

 * 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.

 *

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package org.graalvm.compiler.replacements.jdk9;

import jdk.vm.ci.amd64.AMD64;

import jdk.vm.ci.code.TargetDescription;

import jdk.vm.ci.meta.ResolvedJavaMethod;

import org.graalvm.compiler.api.test.Graal;

import org.graalvm.compiler.replacements.test.MethodSubstitutionTest;

import org.graalvm.compiler.runtime.RuntimeProvider;

import org.graalvm.compiler.test.AddExports;

import org.junit.Test;

@AddExports("java.base/jdk.internal.misc")

public class UnsafeReplacementsTest extends MethodSubstitutionTest {

    // See GR-9819.

    @SuppressWarnings("unused") ResolvedJavaMethod method = null;

    static class Container {

        public volatile boolean booleanField;

        public volatile byte byteField = 17;

        public volatile char charField = 1025;

        public volatile short shortField = 2232;

        public volatile int intField = 0xcafebabe;

        public volatile long longField = 0xdedababafafaL;

        public volatile float floatField = 0.125f;

        public volatile double doubleField = 0.125;

        public volatile Object objectField = dummyValue;

    }

    static jdk.internal.misc.Unsafe unsafe = jdk.internal.misc.Unsafe.getUnsafe();

    static Container dummyValue = new Container();

    static Container newDummyValue = new Container();

    static long booleanOffset;

    static long byteOffset;

    static long charOffset;

    static long shortOffset;

    static long intOffset;

    static long longOffset;

    static long floatOffset;

    static long doubleOffset;

    static long objectOffset;

    static {

        try {

            booleanOffset = unsafe.objectFieldOffset(Container.class.getDeclaredField("booleanField"));

            byteOffset = unsafe.objectFieldOffset(Container.class.getDeclaredField("byteField"));

            charOffset = unsafe.objectFieldOffset(Container.class.getDeclaredField("charField"));

            shortOffset = unsafe.objectFieldOffset(Container.class.getDeclaredField("shortField"));

            intOffset = unsafe.objectFieldOffset(Container.class.getDeclaredField("intField"));

            longOffset = unsafe.objectFieldOffset(Container.class.getDeclaredField("longField"));

            floatOffset = unsafe.objectFieldOffset(Container.class.getDeclaredField("floatField"));

            doubleOffset = unsafe.objectFieldOffset(Container.class.getDeclaredField("doubleField"));

            objectOffset = unsafe.objectFieldOffset(Container.class.getDeclaredField("objectField"));

        } catch (NoSuchFieldException e) {

            throw new RuntimeException(e);

        }

    }

    public static boolean unsafeCompareAndSetBoolean() {

        Container container = new Container();

        return unsafe.compareAndSetBoolean(container, booleanOffset, false, true);

    }

    public static boolean unsafeCompareAndSetByte() {

        Container container = new Container();

        return unsafe.compareAndSetByte(container, byteOffset, (byte) 17, (byte) 121);

    }

    public static boolean unsafeCompareAndSetChar() {

        Container container = new Container();

        return unsafe.compareAndSetChar(container, charOffset, (char) 1025, (char) 1777);

    }

    public static boolean unsafeCompareAndSetShort() {

        Container container = new Container();

        return unsafe.compareAndSetShort(container, shortOffset, (short) 2232, (short) 12111);

    }

    public static boolean unsafeCompareAndSetInt() {

        Container container = new Container();

        return unsafe.compareAndSetInt(container, intOffset, 0xcafebabe, 0xbabefafa);

    }

    public static boolean unsafeCompareAndSetLong() {

        Container container = new Container();

        return unsafe.compareAndSetLong(container, longOffset, 0xdedababafafaL, 0xfafacecafafadedaL);

    }

    public static boolean unsafeCompareAndSetFloat() {

        Container container = new Container();

        return unsafe.compareAndSetFloat(container, floatOffset, 0.125f, 0.25f);

    }

    public static boolean unsafeCompareAndSetDouble() {

        Container container = new Container();

        return unsafe.compareAndSetDouble(container, doubleOffset, 0.125, 0.25);

    }

    public static boolean unsafeCompareAndSetObject() {

        Container container = new Container();

        return unsafe.compareAndSetObject(container, objectOffset, dummyValue, newDummyValue);

    }

    public static boolean unsafeCompareAndExchangeBoolean() {

        Container container = new Container();

        return unsafe.compareAndExchangeBoolean(container, booleanOffset, false, true);

    }

    public static byte unsafeCompareAndExchangeByte() {

        Container container = new Container();

        return unsafe.compareAndExchangeByte(container, byteOffset, (byte) 17, (byte) 31);

    }

    public static char unsafeCompareAndExchangeChar() {

        Container container = new Container();

        return unsafe.compareAndExchangeChar(container, charOffset, (char) 1025, (char) 4502);

    }

    public static short unsafeCompareAndExchangeShort() {

        Container container = new Container();

        return unsafe.compareAndExchangeShort(container, shortOffset, (short) 2232, (short) 8121);

    }

    public static int unsafeCompareAndExchangeInt() {

        Container container = new Container();

        return unsafe.compareAndExchangeInt(container, intOffset, 0xcafebabe, 0xbabefafa);

    }

    public static long unsafeCompareAndExchangeLong() {

        Container container = new Container();

        return unsafe.compareAndExchangeLong(container, longOffset, 0xdedababafafaL, 0xfafacecafafadedaL);

    }

    public static float unsafeCompareAndExchangeFloat() {

        Container container = new Container();

        return unsafe.compareAndExchangeFloat(container, floatOffset, 0.125f, 0.25f);

    }

    public static double unsafeCompareAndExchangeDouble() {

        Container container = new Container();

        return unsafe.compareAndExchangeDouble(container, doubleOffset, 0.125, 0.25);

    }

    public static Object unsafeCompareAndExchangeObject() {

        Container container = new Container();

        return unsafe.compareAndExchangeObject(container, objectOffset, dummyValue, newDummyValue);

    }

    @Test

    public void testCompareAndSet() {

        TargetDescription target = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend().getTarget();

        if (target.arch instanceof AMD64) {

            testGraph("unsafeCompareAndSetBoolean");

            testGraph("unsafeCompareAndSetByte");

            testGraph("unsafeCompareAndSetChar");

            testGraph("unsafeCompareAndSetShort");

            testGraph("unsafeCompareAndSetInt");

            testGraph("unsafeCompareAndSetLong");

            testGraph("unsafeCompareAndSetFloat");

            testGraph("unsafeCompareAndSetDouble");

            testGraph("unsafeCompareAndSetObject");

            testGraph("unsafeCompareAndExchangeBoolean");

            testGraph("unsafeCompareAndExchangeByte");

            testGraph("unsafeCompareAndExchangeChar");

            testGraph("unsafeCompareAndExchangeShort");

            testGraph("unsafeCompareAndExchangeInt");

            testGraph("unsafeCompareAndExchangeLong");

            testGraph("unsafeCompareAndExchangeFloat");

            testGraph("unsafeCompareAndExchangeDouble");

            testGraph("unsafeCompareAndExchangeObject");

        }

        test("unsafeCompareAndSetBoolean");

        test("unsafeCompareAndSetByte");

        test("unsafeCompareAndSetChar");

        test("unsafeCompareAndSetShort");

        test("unsafeCompareAndSetInt");

        test("unsafeCompareAndSetLong");

        test("unsafeCompareAndSetFloat");

        test("unsafeCompareAndSetDouble");

        test("unsafeCompareAndSetObject");

        test("unsafeCompareAndExchangeBoolean");

        test("unsafeCompareAndExchangeByte");

        test("unsafeCompareAndExchangeChar");

        test("unsafeCompareAndExchangeShort");

        test("unsafeCompareAndExchangeInt");

        test("unsafeCompareAndExchangeLong");

        test("unsafeCompareAndExchangeFloat");

        test("unsafeCompareAndExchangeDouble");

        test("unsafeCompareAndExchangeObject");

    }

    public static int unsafeGetAndAddByte() {

        Container container = new Container();

        return unsafe.getAndAddByte(container, byteOffset, (byte) 2);

    }

    public static int unsafeGetAndAddChar() {

        Container container = new Container();

        return unsafe.getAndAddChar(container, charOffset, (char) 250);

    }

    public static int unsafeGetAndAddShort() {

        Container container = new Container();

        return unsafe.getAndAddShort(container, shortOffset, (short) 1250);

    }

    public static int unsafeGetAndAddInt() {

        Container container = new Container();

        return unsafe.getAndAddInt(container, intOffset, 104501);

    }

    public static long unsafeGetAndAddLong() {

        Container container = new Container();

        return unsafe.getAndAddLong(container, longOffset, 0x123456abcdL);

    }

    @Test

    public void testGetAndAdd() {

        TargetDescription target = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend().getTarget();

        if (target.arch instanceof AMD64) {

            testGraph("unsafeGetAndAddByte");

            testGraph("unsafeGetAndAddChar");

            testGraph("unsafeGetAndAddShort");

            testGraph("unsafeGetAndAddInt");

            testGraph("unsafeGetAndAddLong");

        }

        test("unsafeGetAndAddByte");

        test("unsafeGetAndAddChar");

        test("unsafeGetAndAddShort");

        test("unsafeGetAndAddInt");

        test("unsafeGetAndAddLong");

    }

    public static boolean unsafeGetAndSetBoolean() {

        Container container = new Container();

        return unsafe.getAndSetBoolean(container, booleanOffset, true);

    }

    public static byte unsafeGetAndSetByte() {

        Container container = new Container();

        return unsafe.getAndSetByte(container, byteOffset, (byte) 129);

    }

    public static char unsafeGetAndSetChar() {

        Container container = new Container();

        return unsafe.getAndSetChar(container, charOffset, (char) 21111);

    }

    public static short unsafeGetAndSetShort() {

        Container container = new Container();

        return unsafe.getAndSetShort(container, shortOffset, (short) 21111);

    }

    public static int unsafeGetAndSetInt() {

        Container container = new Container();

        return unsafe.getAndSetInt(container, intOffset, 0x1234af);

    }

    public static long unsafeGetAndSetLong() {

        Container container = new Container();

        return unsafe.getAndSetLong(container, longOffset, 0x12345678abL);

    }

    public static Object unsafeGetAndSetObject() {

        Container container = new Container();

        container.objectField = null;

        Container other = new Container();

        return unsafe.getAndSetObject(container, objectOffset, other);

    }

    @Test

    public void testGetAndSet() {

        TargetDescription target = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend().getTarget();

        if (target.arch instanceof AMD64) {

            testGraph("unsafeGetAndSetBoolean");

            testGraph("unsafeGetAndSetByte");

            testGraph("unsafeGetAndSetChar");

            testGraph("unsafeGetAndSetShort");

            testGraph("unsafeGetAndSetInt");

            testGraph("unsafeGetAndSetLong");

            testGraph("unsafeGetAndSetObject");

        }

        test("unsafeGetAndSetBoolean");

        test("unsafeGetAndSetByte");

        test("unsafeGetAndSetChar");

        test("unsafeGetAndSetShort");

        test("unsafeGetAndSetInt");

        test("unsafeGetAndSetLong");

        test("unsafeGetAndSetObject");

    }

}