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 * @bug 8152341
27 * @requires vm.jvmci
28 * @library /compiler/jvmci/common/patches /test/lib /compiler/jvmci/jdk.vm.ci.hotspot.test/src
29 * @modules jdk.internal.vm.ci/jdk.vm.ci.meta
30 * jdk.internal.vm.ci/jdk.vm.ci.common
31 * jdk.internal.vm.ci/jdk.vm.ci.runtime
32 * jdk.internal.vm.ci/jdk.vm.ci.hotspot
33 * java.base/jdk.internal.misc
34 * @build sun.hotspot.WhiteBox
35 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
36 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
37 * sun.hotspot.WhiteBox$WhiteBoxPermission
38 * @run testng/othervm -Xbootclasspath/a:.
39 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
40 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
41 * -Djvmci.Compiler=null jdk.vm.ci.hotspot.test.MemoryAccessProviderTest
42 */
43
44 package jdk.vm.ci.hotspot.test;
45
46 import sun.hotspot.WhiteBox;
47
48 import jdk.vm.ci.meta.Constant;
49 import jdk.vm.ci.meta.JavaKind;
50 import jdk.vm.ci.meta.MemoryAccessProvider;
51 import jdk.vm.ci.runtime.JVMCI;
52 import org.testng.Assert;
53 import org.testng.annotations.Test;
54
55 public class MemoryAccessProviderTest {
56 private static final MemoryAccessProvider PROVIDER = JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection().getMemoryAccessProvider();
57
58 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class)
59 public void testPositiveReadPrimitiveConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
60 Assert.assertEquals(PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount), expected, "Failed to read constant");
61 }
62
63 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
64 public void testReadPrimitiveConstantNullBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
65 Assert.assertNull(PROVIDER.readPrimitiveConstant(kind, null, offset, bitsCount), "Unexpected value for null base");
66 }
67
68 @Test(dataProvider = "negative", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
69 public void testNegativeReadPrimitiveConstant(JavaKind kind, Constant base) {
70 PROVIDER.readPrimitiveConstant(kind, base, 0L, kind == null ? 0 : kind.getByteCount() / 8);
71 }
72
73 @Test(dataProvider = "outOfBoundsInstanceFields", dataProviderClass = MemoryAccessProviderData.class)
74 public void testReadPrimitiveInstanceFieldOutOfBounds(JavaKind kind, Constant base, Long offset, boolean isOutOfBounds) {
75 try {
76 PROVIDER.readPrimitiveConstant(kind, base, offset, kind.getByteCount() * 8);
77 Assert.assertFalse(isOutOfBounds);
78 } catch (IllegalArgumentException iae) {
79 Assert.assertTrue(isOutOfBounds);
80 }
81 }
82
83 @Test(dataProvider = "outOfBoundsStaticFields", dataProviderClass = MemoryAccessProviderData.class)
84 public void testReadPrimitiveStaticFieldOutOFBounds(JavaKind kind, Constant base, Long offset, boolean isOutOfBounds) {
85 try {
86 PROVIDER.readPrimitiveConstant(kind, base, offset, kind.getByteCount() * 8);
87 Assert.assertFalse(isOutOfBounds);
88 } catch (IllegalArgumentException iae) {
89 Assert.assertTrue(isOutOfBounds);
90 }
91 }
92
93 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
94 public void testObjectReadPrimitiveConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
95 PROVIDER.readPrimitiveConstant(kind, base, 0L, bitsCount);
96 }
97
98 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
99 public void testReadPrimitiveConstantLessBits(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
100 PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount - 1);
101 }
102
103 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
104 public void testPositiveReadObjectConstant(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
105 Assert.assertEquals(PROVIDER.readObjectConstant(base, offset), expected, "Unexpected result");
106 }
107
108 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
109 public void testNegativeReadObjectConstantNullBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
110 Assert.assertNull(PROVIDER.readObjectConstant(null, offset), "Unexpected return");
111 }
112
113 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
114 public void testNegativeReadObjectConstantWrongOffset(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
115 Assert.assertNull(PROVIDER.readObjectConstant(base, offset + 1), "Expected null");
116 }
117
118 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class})
119 public void testNegativeReadObjectConstantPrimitiveBase(JavaKind kind, Constant base, Long offset, Object expected, int bitsCount) {
120 Assert.assertNull(PROVIDER.readObjectConstant(base, offset), "Expected null");
121 }
122 }