1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64") 27 * @library /testlibrary /test/lib /compiler/jvmci/jdk.vm.ci.hotspot.test/src 28 * @modules jdk.vm.ci/jdk.vm.ci.meta 29 * jdk.vm.ci/jdk.vm.ci.common 30 * jdk.vm.ci/jdk.vm.ci.runtime 31 * jdk.vm.ci/jdk.vm.ci.hotspot 32 * @run testng/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 33 * jdk.vm.ci.hotspot.test.MemoryAccessProviderTest 34 */ 35 36 package jdk.vm.ci.hotspot.test; 37 38 import jdk.vm.ci.meta.Constant; 39 import org.testng.annotations.Test; 40 import org.testng.Assert; 41 import jdk.vm.ci.meta.JavaConstant; 42 import jdk.vm.ci.meta.JavaKind; 43 import jdk.vm.ci.meta.MemoryAccessProvider; 44 import jdk.vm.ci.runtime.JVMCI; 45 46 public class MemoryAccessProviderTest { 47 private static final MemoryAccessProvider PROVIDER = JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection().getMemoryAccessProvider(); 48 49 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class) 50 public void testPositiveReadUnsafeConstant(JavaKind kind, JavaConstant base, Long offset, Object expected, int bitsCount) { 51 Assert.assertEquals(PROVIDER.readUnsafeConstant(kind, base, offset), expected, "Failed to read constant"); 52 } 53 54 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) 55 public void testReadUnsafeConstantNullBase(JavaKind kind, JavaConstant base, Long offset, Object expected, int bitsCount) { 56 PROVIDER.readUnsafeConstant(kind, null, offset); 57 } 58 59 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) 60 public void testNegativeReadUnsafeConstantNullKind(JavaKind kind, JavaConstant base, Long offset, Object expected, int bitsCount) { 61 Assert.assertNull(PROVIDER.readUnsafeConstant(null, base, offset), "Expected null return"); 62 } 63 64 @Test(dataProvider = "negative", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) 65 public void testNegativeReadUnsafeConstant(JavaKind kind, JavaConstant base) { 66 PROVIDER.readUnsafeConstant(kind, base, 0L); 67 } 68 69 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class) 70 public void testPositiveReadPrimitiveConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { 71 Assert.assertEquals(PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount), expected, "Failed to read constant"); 72 } 73 74 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) 75 public void testReadPrimitiveConstantNullBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { 76 Assert.assertNull(PROVIDER.readPrimitiveConstant(kind, null, offset, bitsCount), "Unexpected value for null base"); 77 } 78 79 @Test(dataProvider = "negative", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) 80 public void testNegativeReadPrimitiveConstant(JavaKind kind, Constant base) { 81 PROVIDER.readPrimitiveConstant(kind, base, 0L, kind == null ? 0 : kind.getBitCount()); 82 } 83 84 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) 85 public void testObjectReadPrimitiveConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { 86 PROVIDER.readPrimitiveConstant(kind, base, 0L, bitsCount); 87 } 88 89 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class}) 90 public void testReadPrimitiveConstantLessBits(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { 91 PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount - 1); 92 } 93 94 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class) 95 public void testPositiveReadObjectConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { 96 Assert.assertEquals(PROVIDER.readObjectConstant(base, offset), expected, "Unexpected result"); 97 } 98 99 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class) 100 public void testNegativeReadObjectConstantNullBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { 101 Assert.assertNull(PROVIDER.readObjectConstant(null, offset), "Unexpected return"); 102 } 103 104 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class) 105 public void testNegativeReadObjectConstantWrongOffset(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { 106 Assert.assertNull(PROVIDER.readObjectConstant(base, offset + 1), "Expected null"); 107 } 108 109 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class) 110 public void testNegativeReadObjectConstantPrimitiveBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) { 111 Assert.assertNull(PROVIDER.readObjectConstant(base, offset), "Expected null"); 112 } 113 }