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