LookupKlassInPoolTest.java revision 9111:a41fe5ffa839 
1/*
2 * Copyright (c) 2015, 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.arch != "aarch64"
29 * @summary Testing compiler.jvmci.CompilerToVM.lookupKlassInPool method
30 * @library /testlibrary /../../test/lib /
31 * @compile ../common/CompilerToVMHelper.java
32 * @build compiler.jvmci.common.testcases.MultipleImplementersInterface
33 *        compiler.jvmci.common.testcases.MultipleImplementer2
34 *        compiler.jvmci.compilerToVM.ConstantPoolTestsHelper
35 *        compiler.jvmci.compilerToVM.ConstantPoolTestCase
36 *        compiler.jvmci.compilerToVM.LookupKlassInPoolTest
37 * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper
38 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockExperimentalVMOptions
39 *                   -XX:+EnableJVMCI compiler.jvmci.compilerToVM.LookupKlassInPoolTest
40 */
41
42package compiler.jvmci.compilerToVM;
43
44import java.util.HashMap;
45import java.util.Map;
46import jdk.vm.ci.hotspot.CompilerToVMHelper;
47import jdk.vm.ci.hotspot.HotSpotConstantPool;
48import jdk.vm.ci.hotspot.HotSpotResolvedObjectTypeImpl;
49import sun.reflect.ConstantPool;
50
51/**
52 * Test for {@code compiler.jvmci.CompilerToVM.lookupKlassInPool} method
53 */
54public class LookupKlassInPoolTest {
55
56    public static void main(String[] args)  {
57        Map<ConstantPoolTestsHelper.ConstantTypes,
58                ConstantPoolTestCase.Validator> typeTests = new HashMap<>(1);
59        typeTests.put(ConstantPoolTestsHelper.ConstantTypes.CONSTANT_CLASS,
60                LookupKlassInPoolTest::validate);
61        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
62        testCase.test();
63    }
64
65    public static void validate(HotSpotConstantPool constantPoolCTVM,
66            ConstantPool constantPoolSS,
67            ConstantPoolTestsHelper.DummyClasses dummyClass, int i) {
68        Object classToVerify = CompilerToVMHelper
69                .lookupKlassInPool(constantPoolCTVM, i);
70        if (!(classToVerify instanceof HotSpotResolvedObjectTypeImpl)
71                && !(classToVerify instanceof String)) {
72            String msg = String.format("Output of method"
73                    + " CTVM.lookupKlassInPool is neither"
74                    + " a HotSpotResolvedObjectTypeImpl, nor a String");
75            throw new AssertionError(msg);
76        }
77        int classNameIndex = (int) dummyClass.cp.get(i).value;
78        String classNameToRefer
79                = constantPoolSS.getUTF8At(classNameIndex);
80        String outputToVerify = classToVerify.toString();
81        if (!outputToVerify.contains(classNameToRefer)) {
82            String msg = String.format("Wrong class accessed by constant"
83                    + " pool index %d: %s, but should be %s",
84                    i, outputToVerify, classNameToRefer);
85            throw new AssertionError(msg);
86        }
87    }
88}
89