1 /*
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 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 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
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12  * version 2 for more details (a copy is included in the LICENSE file that
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24 
25 /*
26  * @test
27  * @requires vm.cds
28  * @requires vm.flagless
29  * @summary Disable CDS when incompatible options related to PreloadSharedClasses are used
30  * @library /test/jdk/lib/testlibrary
31  *          /test/lib
32  *          /test/hotspot/jtreg/runtime/cds/appcds
33  *          /test/hotspot/jtreg/runtime/cds/appcds/test-classes
34  * @build Hello
35  * @run driver jdk.test.lib.helpers.ClassFileInstaller -jar app.jar Hello
36  * @run driver PreloadedClassesVMOptions
37  */
38 
39 import jdk.test.lib.helpers.ClassFileInstaller;
40 
41 public class PreloadedClassesVMOptions {
42     static final String appJar = ClassFileInstaller.getJarPath("app.jar");
43 
44     static int testCaseNum = 0;
45     static void testCase(String s) {
46         testCaseNum++;
47         System.out.println("Test case " + testCaseNum + ": " + s);
48     }
49 
50     public static void main(String[] args) throws Exception {
51         TestCommon.testDump(appJar, TestCommon.list("Hello"),
52                             "-XX:+PreloadSharedClasses");
53 
54         testCase("Archived full module graph must be enabled at runtime");
55         TestCommon.run("-cp", appJar, "-Djdk.module.validation=1", "Hello")
56             .assertAbnormalExit("CDS archive has preloaded classes." +
57                                 " It cannot be used when archived full module graph is not used");
58 
59 
60         testCase("Dumptime/runtime GC must be the same");
61         TestCommon.run("-cp", appJar, "-XX:+UseSerialGC", "Hello")
62             .assertAbnormalExit("CDS archive has preloaded classes." +
63                                 " It cannot be used because GC used during dump time (G1) is not the same as runtime (Serial)");
64 
65         // NOTE: tests for ClassFileLoadHook + PreloadSharedClasses is in 
66         // ../jvmti/ClassFileLoadHookTest.java
67     }
68 }