| /* |
| * Copyright (c) 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 |
| * @bug 8152341 |
| * @requires vm.jvmci |
| * @library /test/lib /compiler/jvmci/jdk.vm.ci.hotspot.test/src |
| * @modules jdk.vm.ci/jdk.vm.ci.meta |
| * jdk.vm.ci/jdk.vm.ci.common |
| * jdk.vm.ci/jdk.vm.ci.runtime |
| * jdk.vm.ci/jdk.vm.ci.hotspot |
| * java.base/jdk.internal.misc |
| * @run testng/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * jdk.vm.ci.hotspot.test.MemoryAccessProviderTest |
| */ |
| |
| package jdk.vm.ci.hotspot.test; |
| |
| import jdk.vm.ci.meta.Constant; |
| import jdk.vm.ci.meta.JavaKind; |
| import jdk.vm.ci.meta.MemoryAccessProvider; |
| import jdk.vm.ci.runtime.JVMCI; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class MemoryAccessProviderTest { |
| private static final MemoryAccessProvider PROVIDER = JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection().getMemoryAccessProvider(); |
| |
| @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class) |
| public void testPositiveReadPrimitiveConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { |
| Assert.assertEquals(PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount), expected, "Failed to read constant"); |
| } |
| |
| @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) |
| public void testReadPrimitiveConstantNullBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { |
| Assert.assertNull(PROVIDER.readPrimitiveConstant(kind, null, offset, bitsCount), "Unexpected value for null base"); |
| } |
| |
| @Test(dataProvider = "negative", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) |
| public void testNegativeReadPrimitiveConstant(JavaKind kind, Constant base) { |
| PROVIDER.readPrimitiveConstant(kind, base, 0L, kind == null ? 0 : kind.getBitCount()); |
| } |
| |
| @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) |
| public void testObjectReadPrimitiveConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { |
| PROVIDER.readPrimitiveConstant(kind, base, 0L, bitsCount); |
| } |
| |
| @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) |
| public void testReadPrimitiveConstantLessBits(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { |
| PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount - 1); |
| } |
| |
| @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class) |
| public void testPositiveReadObjectConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { |
| Assert.assertEquals(PROVIDER.readObjectConstant(base, offset), expected, "Unexpected result"); |
| } |
| |
| @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class) |
| public void testNegativeReadObjectConstantNullBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { |
| Assert.assertNull(PROVIDER.readObjectConstant(null, offset), "Unexpected return"); |
| } |
| |
| @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class) |
| public void testNegativeReadObjectConstantWrongOffset(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { |
| Assert.assertNull(PROVIDER.readObjectConstant(base, offset + 1), "Expected null"); |
| } |
| |
| @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class) |
| public void testNegativeReadObjectConstantPrimitiveBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { |
| Assert.assertNull(PROVIDER.readObjectConstant(base, offset), "Expected null"); |
| } |
| } |