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