LookupMethodInPoolTest.java revision 11707:ad7af1afda7a 
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 (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.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.meta
37 *          jdk.vm.ci/jdk.vm.ci.runtime
38 *
39 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
40 * @build sun.hotspot.WhiteBox
41 *        compiler.jvmci.compilerToVM.LookupMethodInPoolTest
42 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
43 *                                sun.hotspot.WhiteBox$WhiteBoxPermission
44 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
45 *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
46 *                   compiler.jvmci.compilerToVM.LookupMethodInPoolTest
47 */
48
49package compiler.jvmci.compilerToVM;
50
51import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
52import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
53import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
54import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
55import jdk.test.lib.Asserts;
56import jdk.vm.ci.hotspot.CompilerToVMHelper;
57import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
58import jdk.vm.ci.meta.ConstantPool;
59
60import java.util.HashMap;
61import java.util.Map;
62
63import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INTERFACEMETHODREF;
64import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODREF;
65
66/**
67 * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupMethodInPool} method
68 */
69public class LookupMethodInPoolTest {
70
71    public static void main(String[] args) throws Exception {
72        Map<ConstantTypes, Validator> typeTests = new HashMap<>();
73        typeTests.put(CONSTANT_METHODREF, LookupMethodInPoolTest::validate);
74        typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupMethodInPoolTest::validate);
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 validate(ConstantPool constantPoolCTVM,
91                                 ConstantTypes cpType,
92                                 DummyClasses dummyClass,
93                                 int cpi) {
94        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
95        if (entry == null) {
96            return;
97        }
98        int index = cpi;
99        String cached = "";
100        int cpci = dummyClass.getCPCacheIndex(cpi);
101        if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
102            index = cpci;
103            cached = "cached ";
104        }
105        for (int j = 0; j < entry.opcodes.length; j++) {
106            HotSpotResolvedJavaMethod methodToVerify = CompilerToVMHelper
107                    .lookupMethodInPool(constantPoolCTVM, index, entry.opcodes[j]);
108            String msg = String.format("Object returned by lookupMethodInPool method"
109                                               + " for %sindex %d should not be null",
110                                       cached,
111                                       index);
112            Asserts.assertNotNull(methodToVerify, msg);
113            String[] classNameSplit = entry.klass.split("/");
114            String classNameToRefer = classNameSplit[classNameSplit.length - 1];
115            String methodNameToRefer = entry.name;
116            String methodToVerifyToString = methodToVerify.toString();
117            if (!methodToVerifyToString.contains(classNameToRefer)
118                    || !methodToVerifyToString.contains(methodNameToRefer)) {
119                msg = String.format("String representation \"%s\" of the object"
120                                            + " returned by lookupMethodInPool method"
121                                            + " for index %d does not contain a method's class name"
122                                            + " or method's name, should contain %s.%s",
123                                    methodToVerifyToString,
124                                    index,
125                                    classNameToRefer,
126                                    methodNameToRefer);
127                throw new AssertionError(msg);
128            }
129        }
130    }
131}
132