1 /*
2 * Copyright (c) 2015, 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 /*
26 * @test
27 * @bug 8136421
28 * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")
29 * @library /testlibrary /test/lib /
30 * @library ../common/patches
31 * @modules java.base/jdk.internal.misc
32 * java.base/jdk.internal.reflect
33 * java.base/jdk.internal.org.objectweb.asm
34 * jdk.vm.ci/jdk.vm.ci.hotspot
35 * jdk.vm.ci/jdk.vm.ci.runtime
36 * jdk.vm.ci/jdk.vm.ci.meta
37 *
38 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
39 * @build sun.hotspot.WhiteBox
40 * compiler.jvmci.compilerToVM.ResolveConstantInPoolTest
41 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
42 * sun.hotspot.WhiteBox$WhiteBoxPermission
43 * @run main/othervm -Xbootclasspath/a:.
44 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
45 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
46 * compiler.jvmci.compilerToVM.ResolveConstantInPoolTest
47 */
48
49 package compiler.jvmci.compilerToVM;
50
51 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
52 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
53 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
54 import jdk.test.lib.Asserts;
55 import jdk.vm.ci.hotspot.CompilerToVMHelper;
56 import jdk.vm.ci.meta.ConstantPool;
57
58 import java.lang.invoke.MethodHandle;
59 import java.lang.invoke.MethodType;
60 import java.util.HashMap;
61 import java.util.Map;
62
63 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODHANDLE;
64 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODTYPE;
65
66 /**
67 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveConstantInPool} method
68 */
69 public class ResolveConstantInPoolTest {
70
71 private static final String NOT_NULL_MSG
72 = "Object returned by resolveConstantInPool method should not be null";
73
74 public static void main(String[] args) throws Exception {
75 Map<ConstantTypes, Validator> typeTests = new HashMap<>();
76 typeTests.put(CONSTANT_METHODHANDLE, ResolveConstantInPoolTest::validateMethodHandle);
77 typeTests.put(CONSTANT_METHODTYPE, ResolveConstantInPoolTest::validateMethodType);
78 ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
79 testCase.test();
80 // The next "Class.forName" and repeating "testCase.test()"
81 // are here for the following reason.
82 // The first test run is without dummy class initialization,
83 // which means no constant pool cache exists.
84 // The second run is with initialized class (with constant pool cache available).
85 // Some CompilerToVM methods require different input
86 // depending on whether CP cache exists or not.
87 for (DummyClasses dummy : DummyClasses.values()) {
88 Class.forName(dummy.klass.getName());
89 }
90 testCase.test();
91 }
92
93 private static void validateMethodHandle(ConstantPool constantPoolCTVM,
94 ConstantTypes cpType,
95 DummyClasses dummyClass,
96 int index) {
97 Object constantInPool = CompilerToVMHelper.resolveConstantInPool(constantPoolCTVM, index);
98 String msg = String.format("%s for index %d", NOT_NULL_MSG, index);
99 Asserts.assertNotNull(constantInPool, msg);
100 if (!(constantInPool instanceof MethodHandle)) {
101 msg = String.format("Wrong constant pool entry accessed by index"
102 + " %d: %s, but should be subclass of %s",
103 index,
104 constantInPool.getClass(),
105 MethodHandle.class.getName());
106 throw new AssertionError(msg);
107 }
108 }
109
110 private static void validateMethodType(ConstantPool constantPoolCTVM,
111 ConstantTypes cpType,
112 DummyClasses dummyClass,
113 int index) {
114 Object constantInPool = CompilerToVMHelper.resolveConstantInPool(constantPoolCTVM, index);
115 String msg = String.format("%s for index %d", NOT_NULL_MSG, index);
116 Asserts.assertNotNull(constantInPool, msg);
117 Class mtToVerify = constantInPool.getClass();
118 Class mtToRefer = MethodType.class;
119 msg = String.format("Wrong method type class accessed by"
120 + " constant pool index %d",
121 index);
122 Asserts.assertEQ(mtToRefer, mtToVerify, msg);
123 }
124 }