LookupSignatureInPoolTest.java revision 12651:6ef01bd40ce2 
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 * @bug 8138708
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 *          java.base/jdk.internal.org.objectweb.asm.tree
34 *          jdk.internal.vm.ci/jdk.vm.ci.hotspot
35 *          jdk.internal.vm.ci/jdk.vm.ci.runtime
36 *          jdk.internal.vm.ci/jdk.vm.ci.meta
37 *
38 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
39 * @build sun.hotspot.WhiteBox
40 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
41 *                                sun.hotspot.WhiteBox$WhiteBoxPermission
42 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
43 *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
44 *                   compiler.jvmci.compilerToVM.LookupSignatureInPoolTest
45 */
46
47package compiler.jvmci.compilerToVM;
48
49import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
50import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
51import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
52import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
53import jdk.test.lib.Asserts;
54import jdk.vm.ci.hotspot.CompilerToVMHelper;
55import jdk.vm.ci.meta.ConstantPool;
56
57import java.util.HashMap;
58import java.util.Map;
59
60import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_FIELDREF;
61import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INTERFACEMETHODREF;
62import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INVOKEDYNAMIC;
63import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODREF;
64
65/**
66 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupSignatureInPool} method
67 */
68public class LookupSignatureInPoolTest {
69
70    public static void main(String[] args) throws Exception {
71        Map<ConstantTypes, Validator> typeTests = new HashMap<>();
72        typeTests.put(CONSTANT_METHODREF, LookupSignatureInPoolTest::validate);
73        typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupSignatureInPoolTest::validate);
74        typeTests.put(CONSTANT_FIELDREF, LookupSignatureInPoolTest::validate);
75        typeTests.put(CONSTANT_INVOKEDYNAMIC, LookupSignatureInPoolTest::validate);
76        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
77        testCase.test();
78        // The next "Class.forName" and repeating "testCase.test()"
79        // are here for the following reason.
80        // The first test run is without dummy class initialization,
81        // which means no constant pool cache exists.
82        // The second run is with initialized class (with constant pool cache available).
83        // Some CompilerToVM methods require different input
84        // depending on whether CP cache exists or not.
85        for (DummyClasses dummy : DummyClasses.values()) {
86            Class.forName(dummy.klass.getName());
87        }
88        testCase.test();
89    }
90
91    private static void validate(ConstantPool constantPoolCTVM,
92                                 ConstantTypes cpType,
93                                 DummyClasses dummyClass,
94                                 int cpi) {
95        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
96        if (entry == null) {
97            return;
98        }
99        int index = cpi;
100        String cached = "";
101        int cpci = dummyClass.getCPCacheIndex(cpi);
102        if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
103            index = cpci;
104            cached = "cached ";
105        }
106        String sigToVerify = CompilerToVMHelper.lookupSignatureInPool(constantPoolCTVM, index);
107        String sigToRefer = entry.type;
108        String msg = String.format("Wrong signature accessed by %sconstant pool index %d",
109                                   cached,
110                                   index);
111        Asserts.assertEQ(sigToVerify, sigToRefer, msg);
112    }
113}
114