/* * 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 * @run testng/othervm -Diters=20000 VarHandleTestMethodHandleAccessLong */ import org.testng.annotations.BeforeClass; import org.testng.annotations.DataProvider; import org.testng.annotations.Test; import java.lang.invoke.MethodHandles; import java.lang.invoke.VarHandle; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import static org.testng.Assert.*; public class VarHandleTestMethodHandleAccessLong extends VarHandleBaseTest { static final long static_final_v = 1L; static long static_v; final long final_v = 1L; long v; VarHandle vhFinalField; VarHandle vhField; VarHandle vhStaticField; VarHandle vhStaticFinalField; VarHandle vhArray; @BeforeClass public void setup() throws Exception { vhFinalField = MethodHandles.lookup().findVarHandle( VarHandleTestMethodHandleAccessLong.class, "final_v", long.class); vhField = MethodHandles.lookup().findVarHandle( VarHandleTestMethodHandleAccessLong.class, "v", long.class); vhStaticFinalField = MethodHandles.lookup().findStaticVarHandle( VarHandleTestMethodHandleAccessLong.class, "static_final_v", long.class); vhStaticField = MethodHandles.lookup().findStaticVarHandle( VarHandleTestMethodHandleAccessLong.class, "static_v", long.class); vhArray = MethodHandles.arrayElementVarHandle(long[].class); } @DataProvider public Object[][] accessTestCaseProvider() throws Exception { List> cases = new ArrayList<>(); for (VarHandleToMethodHandle f : VarHandleToMethodHandle.values()) { cases.add(new MethodHandleAccessTestCase("Instance field", vhField, f, hs -> testInstanceField(this, hs))); cases.add(new MethodHandleAccessTestCase("Instance field unsupported", vhField, f, hs -> testInstanceFieldUnsupported(this, hs), false)); cases.add(new MethodHandleAccessTestCase("Static field", vhStaticField, f, VarHandleTestMethodHandleAccessLong::testStaticField)); cases.add(new MethodHandleAccessTestCase("Static field unsupported", vhStaticField, f, VarHandleTestMethodHandleAccessLong::testStaticFieldUnsupported, false)); cases.add(new MethodHandleAccessTestCase("Array", vhArray, f, VarHandleTestMethodHandleAccessLong::testArray)); cases.add(new MethodHandleAccessTestCase("Array unsupported", vhArray, f, VarHandleTestMethodHandleAccessLong::testArrayUnsupported, false)); cases.add(new MethodHandleAccessTestCase("Array index out of bounds", vhArray, f, VarHandleTestMethodHandleAccessLong::testArrayIndexOutOfBounds, false)); } // Work around issue with jtreg summary reporting which truncates // the String result of Object.toString to 30 characters, hence // the first dummy argument return cases.stream().map(tc -> new Object[]{tc.toString(), tc}).toArray(Object[][]::new); } @Test(dataProvider = "accessTestCaseProvider") public void testAccess(String desc, AccessTestCase atc) throws Throwable { T t = atc.get(); int iters = atc.requiresLoop() ? ITERS : 1; for (int c = 0; c < iters; c++) { atc.testAccess(t); } } static void testInstanceField(VarHandleTestMethodHandleAccessLong recv, Handles hs) throws Throwable { // Plain { hs.get(TestAccessMode.SET).invokeExact(recv, 1L); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1L, "set long value"); } // Volatile { hs.get(TestAccessMode.SET_VOLATILE).invokeExact(recv, 2L); long x = (long) hs.get(TestAccessMode.GET_VOLATILE).invokeExact(recv); assertEquals(x, 2L, "setVolatile long value"); } // Lazy { hs.get(TestAccessMode.SET_RELEASE).invokeExact(recv, 1L); long x = (long) hs.get(TestAccessMode.GET_ACQUIRE).invokeExact(recv); assertEquals(x, 1L, "setRelease long value"); } // Opaque { hs.get(TestAccessMode.SET_OPAQUE).invokeExact(recv, 2L); long x = (long) hs.get(TestAccessMode.GET_OPAQUE).invokeExact(recv); assertEquals(x, 2L, "setOpaque long value"); } hs.get(TestAccessMode.SET).invokeExact(recv, 1L); // Compare { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(recv, 1L, 2L); assertEquals(r, true, "success compareAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2L, "success compareAndSet long value"); } { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(recv, 1L, 3L); assertEquals(r, false, "failing compareAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2L, "failing compareAndSet long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_VOLATILE).invokeExact(recv, 2L, 1L); assertEquals(r, 2L, "success compareAndExchangeVolatile long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1L, "success compareAndExchangeVolatile long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_VOLATILE).invokeExact(recv, 2L, 3L); assertEquals(r, 1L, "failing compareAndExchangeVolatile long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1L, "failing compareAndExchangeVolatile long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(recv, 1L, 2L); assertEquals(r, 1L, "success compareAndExchangeAcquire long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2L, "success compareAndExchangeAcquire long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(recv, 1L, 3L); assertEquals(r, 2L, "failing compareAndExchangeAcquire long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2L, "failing compareAndExchangeAcquire long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(recv, 2L, 1L); assertEquals(r, 2L, "success compareAndExchangeRelease long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1L, "success compareAndExchangeRelease long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(recv, 2L, 3L); assertEquals(r, 1L, "failing compareAndExchangeRelease long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1L, "failing compareAndExchangeRelease long value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact(recv, 1L, 2L); } assertEquals(success, true, "weakCompareAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2L, "weakCompareAndSet long value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact(recv, 2L, 1L); } assertEquals(success, true, "weakCompareAndSetAcquire long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1L, "weakCompareAndSetAcquire long"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact(recv, 1L, 2L); } assertEquals(success, true, "weakCompareAndSetRelease long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 2L, "weakCompareAndSetRelease long"); } // Compare set and get { long o = (long) hs.get(TestAccessMode.GET_AND_SET).invokeExact(recv, 1L); assertEquals(o, 2L, "getAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(recv); assertEquals(x, 1L, "getAndSet long value"); } hs.get(TestAccessMode.SET).invokeExact(recv, 1L); // get and add, add and get { long o = (long) hs.get(TestAccessMode.GET_AND_ADD).invokeExact(recv, 3L); assertEquals(o, 1L, "getAndAdd long"); long c = (long) hs.get(TestAccessMode.ADD_AND_GET).invokeExact(recv, 3L); assertEquals(c, 1L + 3L + 3L, "getAndAdd long value"); } } static void testInstanceFieldUnsupported(VarHandleTestMethodHandleAccessLong recv, Handles hs) throws Throwable { } static void testStaticField(Handles hs) throws Throwable { // Plain { hs.get(TestAccessMode.SET).invokeExact(1L); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1L, "set long value"); } // Volatile { hs.get(TestAccessMode.SET_VOLATILE).invokeExact(2L); long x = (long) hs.get(TestAccessMode.GET_VOLATILE).invokeExact(); assertEquals(x, 2L, "setVolatile long value"); } // Lazy { hs.get(TestAccessMode.SET_RELEASE).invokeExact(1L); long x = (long) hs.get(TestAccessMode.GET_ACQUIRE).invokeExact(); assertEquals(x, 1L, "setRelease long value"); } // Opaque { hs.get(TestAccessMode.SET_OPAQUE).invokeExact(2L); long x = (long) hs.get(TestAccessMode.GET_OPAQUE).invokeExact(); assertEquals(x, 2L, "setOpaque long value"); } hs.get(TestAccessMode.SET).invokeExact(1L); // Compare { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(1L, 2L); assertEquals(r, true, "success compareAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2L, "success compareAndSet long value"); } { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(1L, 3L); assertEquals(r, false, "failing compareAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2L, "failing compareAndSet long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_VOLATILE).invokeExact(2L, 1L); assertEquals(r, 2L, "success compareAndExchangeVolatile long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1L, "success compareAndExchangeVolatile long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_VOLATILE).invokeExact(2L, 3L); assertEquals(r, 1L, "failing compareAndExchangeVolatile long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1L, "failing compareAndExchangeVolatile long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(1L, 2L); assertEquals(r, 1L, "success compareAndExchangeAcquire long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2L, "success compareAndExchangeAcquire long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(1L, 3L); assertEquals(r, 2L, "failing compareAndExchangeAcquire long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2L, "failing compareAndExchangeAcquire long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(2L, 1L); assertEquals(r, 2L, "success compareAndExchangeRelease long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1L, "success compareAndExchangeRelease long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(2L, 3L); assertEquals(r, 1L, "failing compareAndExchangeRelease long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1L, "failing compareAndExchangeRelease long value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact(1L, 2L); } assertEquals(success, true, "weakCompareAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2L, "weakCompareAndSet long value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact(2L, 1L); } assertEquals(success, true, "weakCompareAndSetAcquire long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1L, "weakCompareAndSetAcquire long"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact(1L, 2L); } assertEquals(success, true, "weakCompareAndSetRelease long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 2L, "weakCompareAndSetRelease long"); } // Compare set and get { long o = (long) hs.get(TestAccessMode.GET_AND_SET).invokeExact( 1L); assertEquals(o, 2L, "getAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(); assertEquals(x, 1L, "getAndSet long value"); } hs.get(TestAccessMode.SET).invokeExact(1L); // get and add, add and get { long o = (long) hs.get(TestAccessMode.GET_AND_ADD).invokeExact( 3L); assertEquals(o, 1L, "getAndAdd long"); long c = (long) hs.get(TestAccessMode.ADD_AND_GET).invokeExact(3L); assertEquals(c, 1L + 3L + 3L, "getAndAdd long value"); } } static void testStaticFieldUnsupported(Handles hs) throws Throwable { } static void testArray(Handles hs) throws Throwable { long[] array = new long[10]; for (int i = 0; i < array.length; i++) { // Plain { hs.get(TestAccessMode.SET).invokeExact(array, i, 1L); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1L, "get long value"); } // Volatile { hs.get(TestAccessMode.SET_VOLATILE).invokeExact(array, i, 2L); long x = (long) hs.get(TestAccessMode.GET_VOLATILE).invokeExact(array, i); assertEquals(x, 2L, "setVolatile long value"); } // Lazy { hs.get(TestAccessMode.SET_RELEASE).invokeExact(array, i, 1L); long x = (long) hs.get(TestAccessMode.GET_ACQUIRE).invokeExact(array, i); assertEquals(x, 1L, "setRelease long value"); } // Opaque { hs.get(TestAccessMode.SET_OPAQUE).invokeExact(array, i, 2L); long x = (long) hs.get(TestAccessMode.GET_OPAQUE).invokeExact(array, i); assertEquals(x, 2L, "setOpaque long value"); } hs.get(TestAccessMode.SET).invokeExact(array, i, 1L); // Compare { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(array, i, 1L, 2L); assertEquals(r, true, "success compareAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2L, "success compareAndSet long value"); } { boolean r = (boolean) hs.get(TestAccessMode.COMPARE_AND_SET).invokeExact(array, i, 1L, 3L); assertEquals(r, false, "failing compareAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2L, "failing compareAndSet long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_VOLATILE).invokeExact(array, i, 2L, 1L); assertEquals(r, 2L, "success compareAndExchangeVolatile long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1L, "success compareAndExchangeVolatile long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_VOLATILE).invokeExact(array, i, 2L, 3L); assertEquals(r, 1L, "failing compareAndExchangeVolatile long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1L, "failing compareAndExchangeVolatile long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(array, i, 1L, 2L); assertEquals(r, 1L, "success compareAndExchangeAcquire long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2L, "success compareAndExchangeAcquire long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_ACQUIRE).invokeExact(array, i, 1L, 3L); assertEquals(r, 2L, "failing compareAndExchangeAcquire long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2L, "failing compareAndExchangeAcquire long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(array, i, 2L, 1L); assertEquals(r, 2L, "success compareAndExchangeRelease long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1L, "success compareAndExchangeRelease long value"); } { long r = (long) hs.get(TestAccessMode.COMPARE_AND_EXCHANGE_RELEASE).invokeExact(array, i, 2L, 3L); assertEquals(r, 1L, "failing compareAndExchangeRelease long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1L, "failing compareAndExchangeRelease long value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact(array, i, 1L, 2L); } assertEquals(success, true, "weakCompareAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2L, "weakCompareAndSet long value"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact(array, i, 2L, 1L); } assertEquals(success, true, "weakCompareAndSetAcquire long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1L, "weakCompareAndSetAcquire long"); } { boolean success = false; for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) { success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact(array, i, 1L, 2L); } assertEquals(success, true, "weakCompareAndSetRelease long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 2L, "weakCompareAndSetRelease long"); } // Compare set and get { long o = (long) hs.get(TestAccessMode.GET_AND_SET).invokeExact(array, i, 1L); assertEquals(o, 2L, "getAndSet long"); long x = (long) hs.get(TestAccessMode.GET).invokeExact(array, i); assertEquals(x, 1L, "getAndSet long value"); } hs.get(TestAccessMode.SET).invokeExact(array, i, 1L); // get and add, add and get { long o = (long) hs.get(TestAccessMode.GET_AND_ADD).invokeExact(array, i, 3L); assertEquals(o, 1L, "getAndAdd long"); long c = (long) hs.get(TestAccessMode.ADD_AND_GET).invokeExact(array, i, 3L); assertEquals(c, 1L + 3L + 3L, "getAndAdd long value"); } } } static void testArrayUnsupported(Handles hs) throws Throwable { long[] array = new long[10]; final int i = 0; } static void testArrayIndexOutOfBounds(Handles hs) throws Throwable { long[] array = new long[10]; for (int i : new int[]{-1, Integer.MIN_VALUE, 10, 11, Integer.MAX_VALUE}) { final int ci = i; for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET)) { checkIOOBE(am, () -> { long x = (long) hs.get(am).invokeExact(array, ci); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.SET)) { checkIOOBE(am, () -> { hs.get(am).invokeExact(array, ci, 1L); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.COMPARE_AND_SET)) { checkIOOBE(am, () -> { boolean r = (boolean) hs.get(am).invokeExact(array, ci, 1L, 2L); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.COMPARE_AND_EXCHANGE)) { checkIOOBE(am, () -> { long r = (long) hs.get(am).invokeExact(array, ci, 2L, 1L); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_SET)) { checkIOOBE(am, () -> { long o = (long) hs.get(am).invokeExact(array, ci, 1L); }); } for (TestAccessMode am : testAccessModesOfType(TestAccessType.GET_AND_ADD)) { checkIOOBE(am, () -> { long o = (long) hs.get(am).invokeExact(array, ci, 3L); }); } } } }