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()
48 .getHostJVMCIBackend().getConstantReflection()
49 .getMemoryAccessProvider();
50
51 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class)
52 public void testPositiveReadUnsafeConstant(JavaKind kind,
53 JavaConstant base, Long offset, Object expected, int bitsCount) {
54 Assert.assertEquals(PROVIDER.readUnsafeConstant(kind, base, offset),
55 expected, "Failed to read constant");
56 }
57
58 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class })
59 public void testReadUnsafeConstantNullBase(JavaKind kind,
60 JavaConstant base, Long offset, Object expected, int bitsCount) {
61 PROVIDER.readUnsafeConstant(kind, null, offset);
62 }
63
64 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class })
65 public void testNegativeReadUnsafeConstantNullKind(JavaKind kind,
66 JavaConstant base, Long offset, Object expected, int bitsCount) {
67 Assert.assertNull(PROVIDER.readUnsafeConstant(null, base, offset),
68 "Expected null return");
69 }
70
71 @Test(dataProvider = "negative", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class })
72 public void testNegativeReadUnsafeConstant(JavaKind kind, JavaConstant base) {
73 PROVIDER.readUnsafeConstant(kind, base, 0L);
74 }
75
76 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class)
77 public void testPositiveReadPrimitiveConstant(JavaKind kind, Constant base,
78 Long offset, Object expected, int bitsCount) {
79 Assert.assertEquals(
80 PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount),
81 expected, "Failed to read constant");
82 }
83
84 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class })
85 public void testReadPrimitiveConstantNullBase(JavaKind kind, Constant base,
86 Long offset, Object expected, int bitsCount) {
87 Assert.assertNull(
88 PROVIDER.readPrimitiveConstant(kind, null, offset, bitsCount),
89 "Unexpected value for null base");
90 }
91
92 @Test(dataProvider = "negative", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class })
93 public void testNegativeReadPrimitiveConstant(JavaKind kind, Constant base) {
94 PROVIDER.readPrimitiveConstant(kind, base, 0L,
95 kind == null ? 0 : kind.getBitCount());
96 }
97
98 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class })
99 public void testObjectReadPrimitiveConstant(JavaKind kind, Constant base,
100 Long offset, Object expected, int bitsCount) {
101 PROVIDER.readPrimitiveConstant(kind, base, 0L, bitsCount);
102 }
103
104 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class, expectedExceptions = {IllegalArgumentException.class })
105 public void testReadPrimitiveConstantLessBits(JavaKind kind, Constant base,
106 Long offset, Object expected, int bitsCount) {
107 PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount - 1);
108 }
109
110 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
111 public void testPositiveReadObjectConstant(JavaKind kind, Constant base,
112 Long offset, Object expected, int bitsCount) {
113 Assert.assertEquals(PROVIDER.readObjectConstant(base, offset),
114 expected, "Unexpected result");
115 }
116
117 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
118 public void testNegativeReadObjectConstantNullBase(JavaKind kind,
119 Constant base, Long offset, Object expected, int bitsCount) {
120 Assert.assertNull(PROVIDER.readObjectConstant(null, offset),
121 "Unexpected return");
122 }
123
124 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
125 public void testNegativeReadObjectConstantWrongOffset(JavaKind kind,
126 Constant base, Long offset, Object expected, int bitsCount) {
127 Assert.assertNull(PROVIDER.readObjectConstant(base, offset + 1),
128 "Expected null");
129 }
130
131 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class)
132 public void testNegativeReadObjectConstantPrimitiveBase(JavaKind kind,
133 Constant base, Long offset, Object expected, int bitsCount) {
134 Assert.assertNull(PROVIDER.readObjectConstant(base, offset),
135 "Expected null");
136 }
137 }