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