JvmciNotifyInstallEventTest.java revision 12772:fbb9c8026495 
1/*
2 * Copyright (c) 2015, 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 * @test
26 * @bug 8136421
27 * @requires vm.jvmci
28 * @library / /test/lib
29 * @library ../common/patches
30 * @modules java.base/jdk.internal.misc
31 * @modules java.base/jdk.internal.org.objectweb.asm
32 *          java.base/jdk.internal.org.objectweb.asm.tree
33 *          jdk.internal.vm.ci/jdk.vm.ci.hotspot
34 *          jdk.internal.vm.ci/jdk.vm.ci.code
35 *          jdk.internal.vm.ci/jdk.vm.ci.code.site
36 *          jdk.internal.vm.ci/jdk.vm.ci.meta
37 *          jdk.internal.vm.ci/jdk.vm.ci.runtime
38 *          jdk.internal.vm.ci/jdk.vm.ci.services
39 *
40 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
41 * @build compiler.jvmci.common.JVMCIHelpers
42 * @run driver jdk.test.lib.FileInstaller ./JvmciNotifyInstallEventTest.config
43 *     ./META-INF/services/jdk.vm.ci.services.JVMCIServiceLocator
44 * @run driver ClassFileInstaller
45 *      compiler.jvmci.common.JVMCIHelpers$EmptyHotspotCompiler
46 *      compiler.jvmci.common.JVMCIHelpers$EmptyCompilerFactory
47 *      compiler.jvmci.common.JVMCIHelpers$EmptyCompilationRequestResult
48 *      compiler.jvmci.common.JVMCIHelpers$EmptyVMEventListener
49 * @run main/othervm -XX:+UnlockExperimentalVMOptions
50 *     -Xbootclasspath/a:. -Xmixed
51 *     -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI
52 *     compiler.jvmci.events.JvmciNotifyInstallEventTest
53 * @run main/othervm -XX:+UnlockExperimentalVMOptions
54 *     -Djvmci.Compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed
55 *     -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI
56 *     compiler.jvmci.events.JvmciNotifyInstallEventTest
57 * @run main/othervm -XX:+UnlockExperimentalVMOptions
58 *     -Djvmci.Compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed
59 *     -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI -XX:JVMCINMethodSizeLimit=0
60 *     compiler.jvmci.events.JvmciNotifyInstallEventTest
61 */
62
63package compiler.jvmci.events;
64
65import compiler.jvmci.common.CTVMUtilities;
66import compiler.jvmci.common.testcases.SimpleClass;
67import jdk.test.lib.Asserts;
68import jdk.test.lib.Utils;
69import jdk.vm.ci.services.JVMCIServiceLocator;
70import jdk.vm.ci.code.CompiledCode;
71import jdk.vm.ci.code.InstalledCode;
72import jdk.vm.ci.code.site.DataPatch;
73import jdk.vm.ci.code.site.Site;
74import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
75import jdk.vm.ci.hotspot.HotSpotCompiledCode;
76import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment;
77import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
78import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
79import jdk.vm.ci.hotspot.HotSpotVMEventListener;
80import jdk.vm.ci.meta.Assumptions.Assumption;
81import jdk.vm.ci.meta.ResolvedJavaMethod;
82
83import java.lang.reflect.Method;
84
85public class JvmciNotifyInstallEventTest extends JVMCIServiceLocator implements HotSpotVMEventListener {
86    private static final String METHOD_NAME = "testMethod";
87    private static volatile int gotInstallNotification = 0;
88
89    public static void main(String args[]) {
90        new JvmciNotifyInstallEventTest().runTest();
91    }
92
93    @Override
94    public <S> S getProvider(Class<S> service) {
95        if (service == HotSpotVMEventListener.class) {
96            return service.cast(this);
97        }
98        return null;
99    }
100
101    private void runTest() {
102        if (gotInstallNotification != 0) {
103            throw new Error("Got install notification before test actions");
104        }
105        HotSpotCodeCacheProvider codeCache;
106        try {
107            codeCache = (HotSpotCodeCacheProvider) HotSpotJVMCIRuntime.runtime()
108                    .getHostJVMCIBackend().getCodeCache();
109        } catch (InternalError ie) {
110            // passed
111            return;
112        }
113        Method testMethod;
114        try {
115            testMethod = SimpleClass.class.getDeclaredMethod(METHOD_NAME);
116        } catch (NoSuchMethodException e) {
117            throw new Error("TEST BUG: Can't find " + METHOD_NAME, e);
118        }
119        HotSpotResolvedJavaMethod method = CTVMUtilities
120                .getResolvedMethod(SimpleClass.class, testMethod);
121        HotSpotCompiledCode compiledCode = new HotSpotCompiledCode(METHOD_NAME,
122                new byte[0], 0, new Site[0], new Assumption[0],
123                new ResolvedJavaMethod[]{method}, new Comment[0], new byte[0],
124                16, new DataPatch[0], false, 0, null);
125        codeCache.installCode(method, compiledCode, /* installedCode = */ null,
126                /* speculationLog = */ null, /* isDefault = */ false);
127        Asserts.assertEQ(gotInstallNotification, 1,
128                "Got unexpected event count after 1st install attempt");
129        // since "empty" compilation result is ok, a second attempt should be ok
130        codeCache.installCode(method, compiledCode, /* installedCode = */ null,
131                /* speculationLog = */ null, /* isDefault = */ false);
132        Asserts.assertEQ(gotInstallNotification, 2,
133                "Got unexpected event count after 2nd install attempt");
134        // and an incorrect cases
135        Utils.runAndCheckException(() -> {
136            codeCache.installCode(method, null, null, null, true);
137        }, NullPointerException.class);
138        Asserts.assertEQ(gotInstallNotification, 2,
139                "Got unexpected event count after 3rd install attempt");
140        Utils.runAndCheckException(() -> {
141            codeCache.installCode(null, null, null, null, true);
142        }, NullPointerException.class);
143        Asserts.assertEQ(gotInstallNotification, 2,
144                "Got unexpected event count after 4th install attempt");
145    }
146
147    @Override
148    public void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider,
149            InstalledCode installedCode, CompiledCode compiledCode) {
150        gotInstallNotification++;
151    }
152}
153