LookupKlassRefIndexInPoolTest.java revision 11517:c558d46c1af2 
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/*
26 * @test
27 * @bug 8138708
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 *          java.base/jdk.internal.org.objectweb.asm.tree
35 *          jdk.vm.ci/jdk.vm.ci.hotspot
36 *          jdk.vm.ci/jdk.vm.ci.runtime
37 *          jdk.vm.ci/jdk.vm.ci.meta
38 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
39 * @build sun.hotspot.WhiteBox
40 *        compiler.jvmci.compilerToVM.LookupKlassRefIndexInPoolTest
41 * @run main ClassFileInstaller sun.hotspot.WhiteBox
42 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
43 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
44 *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
45 *                   compiler.jvmci.compilerToVM.LookupKlassRefIndexInPoolTest
46 */
47
48package compiler.jvmci.compilerToVM;
49
50import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
51import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
52import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;
53import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
54import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
55import java.util.HashMap;
56import java.util.Map;
57import jdk.test.lib.Asserts;
58import jdk.vm.ci.hotspot.CompilerToVMHelper;
59import jdk.vm.ci.meta.ConstantPool;
60
61/**
62 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupKlassRefIndexInPool} method
63 */
64public class LookupKlassRefIndexInPoolTest {
65
66    public static void main(String[] args) throws Exception {
67        Map<ConstantTypes, Validator> typeTests = new HashMap<>();
68        typeTests.put(CONSTANT_METHODREF, LookupKlassRefIndexInPoolTest::validate);
69        typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupKlassRefIndexInPoolTest::validate);
70        typeTests.put(CONSTANT_FIELDREF, LookupKlassRefIndexInPoolTest::validate);
71        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
72        testCase.test();
73        // The next "Class.forName" and repeating "testCase.test()"
74        // are here for the following reason.
75        // The first test run is without dummy class initialization,
76        // which means no constant pool cache exists.
77        // The second run is with initialized class (with constant pool cache available).
78        // Some CompilerToVM methods require different input
79        // depending on whether CP cache exists or not.
80        for (DummyClasses dummy : DummyClasses.values()) {
81            Class.forName(dummy.klass.getName());
82        }
83        testCase.test();
84    }
85
86    private static void validate(ConstantPool constantPoolCTVM,
87                                 ConstantTypes cpType,
88                                 DummyClasses dummyClass,
89                                 int cpi) {
90        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
91        if (entry == null) {
92            return;
93        }
94        int index = cpi;
95        String cached = "";
96        int cpci = dummyClass.getCPCacheIndex(cpi);
97        if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
98            index = cpci;
99            cached = "cached ";
100        }
101        int indexToVerify = CompilerToVMHelper.lookupKlassRefIndexInPool(constantPoolCTVM, index);
102        int indexToRefer = dummyClass.constantPoolSS.getClassRefIndexAt(cpi);
103        String msg = String.format("Wrong class index returned by lookupKlassRefIndexInPool method "
104                                           + "applied to %sconstant pool index %d",
105                                   cached,
106                                   index);
107        Asserts.assertEQ(indexToRefer, indexToVerify, msg);
108    }
109}
110