HasFinalizableSubclassTest.java revision 9287:40bd4478a362 
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 * @test
26 * @bug 8136421
27 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
28 * @library / /testlibrary /../../test/lib
29 * @compile ../common/CompilerToVMHelper.java
30 * @build compiler.jvmci.compilerToVM.HasFinalizableSubclassTest
31 * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper
32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockExperimentalVMOptions
33 *     -XX:+EnableJVMCI compiler.jvmci.compilerToVM.HasFinalizableSubclassTest
34 */
35
36package compiler.jvmci.compilerToVM;
37
38import compiler.jvmci.common.testcases.AbstractClass;
39import compiler.jvmci.common.testcases.AbstractClassExtender;
40import compiler.jvmci.common.testcases.DoNotImplementInterface;
41import compiler.jvmci.common.testcases.MultipleImplementer1;
42import compiler.jvmci.common.testcases.MultipleImplementersInterface;
43import compiler.jvmci.common.testcases.SingleImplementerInterface;
44import java.util.HashSet;
45import java.util.Set;
46import java.util.stream.Stream;
47import jdk.vm.ci.hotspot.CompilerToVMHelper;
48import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
49import jdk.test.lib.Asserts;
50import jdk.test.lib.Utils;
51
52public class HasFinalizableSubclassTest {
53    public static void main(String args[]) {
54        HasFinalizableSubclassTest test = new HasFinalizableSubclassTest();
55        for (TestCase tcase : createTestCases()) {
56            test.runTest(tcase);
57        }
58    }
59
60    private static Set<TestCase> createTestCases() {
61        Stream.of(
62                    AbstractClassExtender.class,
63                    SingleImplementerInterface.class,
64                    MultipleImplementersInterface.class,
65                    MultipleImplementer1.class,
66                    DoNotImplementInterface.class)
67                .forEach(Utils::ensureClassIsLoaded);
68        Set<TestCase> result = new HashSet<>();
69        // iface with finalize method
70        result.add(new TestCase(SingleImplementerInterface.class, false));
71        // iface with default finalize method
72        result.add(new TestCase(MultipleImplementersInterface.class, false));
73        // class which implements iface w/ default finalize method
74        result.add(new TestCase(MultipleImplementer1.class, true));
75        // abstract class with finalizeable subclass
76        result.add(new TestCase(AbstractClass.class, true));
77        // non-implemented iface
78        result.add(new TestCase(DoNotImplementInterface.class, false));
79        return result;
80    }
81
82    private void runTest(TestCase tcase) {
83        System.out.println(tcase);
84        HotSpotResolvedObjectType metaspaceKlass = CompilerToVMHelper
85                .lookupType(Utils.toJVMTypeSignature(tcase.aClass),
86                        getClass(), /* resolve = */ true);
87        Asserts.assertEQ(tcase.expected,
88                CompilerToVMHelper.hasFinalizableSubclass(metaspaceKlass),
89                        "Unexpected finalizableSubclass state for "
90                                + tcase.aClass.getName());
91    }
92
93    private static class TestCase {
94        public final Class<?> aClass;
95        public final boolean expected;
96
97        public TestCase(Class<?> clazz, boolean expected) {
98            this.aClass = clazz;
99            this.expected = expected;
100        }
101        @Override
102        public String toString() {
103            return "CASE: class= " + aClass.getName() + ", expected=" + expected;
104        }
105    }
106}
107