ResolveConstantInPoolTest.java revision 9814:22fd02fad88b 
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.simpleArch == "aarch64")
29 * @library /testlibrary /test/lib /
30 * @compile ../common/CompilerToVMHelper.java
31 * @build compiler.jvmci.compilerToVM.ResolveConstantInPoolTest
32 * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper
33 * @run main/othervm -Xbootclasspath/a:.
34 *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
35 *                   compiler.jvmci.compilerToVM.ResolveConstantInPoolTest
36 */
37
38package compiler.jvmci.compilerToVM;
39
40import java.lang.invoke.MethodHandle;
41import java.lang.invoke.MethodType;
42import java.util.HashMap;
43import java.util.Map;
44import jdk.vm.ci.hotspot.CompilerToVMHelper;
45import jdk.test.lib.Asserts;
46import sun.reflect.ConstantPool;
47
48/**
49 * Test for {@code compiler.jvmci.CompilerToVM.resolveConstantInPool} method
50 */
51public class ResolveConstantInPoolTest {
52
53    public static void main(String[] args) throws Exception {
54        Map<ConstantPoolTestsHelper.ConstantTypes,
55                ConstantPoolTestCase.Validator> typeTests = new HashMap<>(2);
56        typeTests.put(ConstantPoolTestsHelper.ConstantTypes.CONSTANT_METHODHANDLE,
57                ResolveConstantInPoolTest::validateMethodHandle);
58        typeTests.put(ConstantPoolTestsHelper.ConstantTypes.CONSTANT_METHODTYPE,
59                ResolveConstantInPoolTest::validateMethodType);
60        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
61        testCase.test();
62    }
63
64    private static void validateMethodHandle(
65            jdk.vm.ci.meta.ConstantPool constantPoolCTVM,
66            ConstantPool constantPoolSS,
67            ConstantPoolTestsHelper.DummyClasses dummyClass, int index) {
68        Object constantInPool = CompilerToVMHelper
69                .resolveConstantInPool(constantPoolCTVM, index);
70        if (!(constantInPool instanceof MethodHandle)) {
71            String msg = String.format(
72                    "Wrong constant pool entry accessed by index"
73                            + " %d: %s, but should be subclass of %s",
74                    index + 1, constantInPool.getClass(),
75                    MethodHandle.class.getName());
76            throw new AssertionError(msg);
77        }
78    }
79
80    private static void validateMethodType(
81            jdk.vm.ci.meta.ConstantPool constantPoolCTVM,
82            ConstantPool constantPoolSS,
83            ConstantPoolTestsHelper.DummyClasses dummyClass, int index) {
84        Object constantInPool = CompilerToVMHelper
85                .resolveConstantInPool(constantPoolCTVM, index);
86        Class mtToVerify = constantInPool.getClass();
87        Class mtToRefer = MethodType.class;
88        String msg = String.format("Wrong %s accessed by constant pool index"
89                            + " %d: %s, but should be %s", "method type class",
90                            index, mtToVerify, mtToRefer);
91        Asserts.assertEQ(mtToRefer, mtToVerify, msg);
92    }
93}
94