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 23 
 24 /**
 25  * @test
 26  * @bug 8316969
 27  * @summary Test handling of module option (-m).
 28  * @requires vm.cds.write.archived.java.heap
 29  * @requires vm.flagless
 30  * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
 31  * @run driver ModuleOption
 32  */
 33 
 34 import jdk.test.lib.process.OutputAnalyzer;
 35 
 36 public class ModuleOption {
 37     public static void main(String[] args) throws Exception {
 38         final String moduleOption = "jdk.httpserver/sun.net.httpserver.simpleserver.Main";
 39         final String incubatorModule = "jdk.incubator.vector";
 40         final String loggingOption = "-Xlog:cds=debug,cds+module=debug,cds+heap=info,module=trace";
 41         // Pattern of a module version string.
 42         // e.g. JDK 22:     "java 22"
 43         //      JDK 22.0.1: "java 22.0.1"
 44         final String versionPattern = "java.[0-9][0-9].*";
 45         final String subgraphCannotBeUsed = "subgraph jdk.internal.module.ArchivedBootLayer cannot be used because full module graph is disabled";
 46         final String noOptimizedModuleHandling = "optimized module handling: disabled because archive was created without optimized module handling";
 47         String archiveName = TestCommon.getNewArchiveName("module-option");
 48         TestCommon.setCurrentArchiveName(archiveName);
 49 
 50         // dump a base archive with -m jdk.httpserver
 51         OutputAnalyzer oa = TestCommon.dumpBaseArchive(
 52             archiveName,
 53             loggingOption,
 54             "-m", moduleOption,
 55             "-version");
 56         oa.shouldHaveExitValue(0);
 57 
 58         // same module specified during runtime
 59         oa = TestCommon.execCommon(
 60             loggingOption,
 61             "-m", moduleOption,
 62             "-version");
 63         oa.shouldHaveExitValue(0)
 64           // version of the jdk.httpserver module, e.g. java 22-ea
 65           .shouldMatch(versionPattern);
 66         if (!oa.contains(noOptimizedModuleHandling)) {
 67             oa.shouldMatch("cds,module.*Restored from archive: entry.0x.*name jdk.httpserver");
 68         }
 69 
 70         // different module specified during runtime
 71         oa = TestCommon.execCommon(
 72             loggingOption,
 73             "-m", "jdk.compiler/com.sun.tools.javac.Main",
 74             "-version");
 75         oa.shouldHaveExitValue(0)
 76           .shouldContain("Mismatched modules: runtime jdk.compiler dump time jdk.httpserver");
 77         if (!oa.contains(noOptimizedModuleHandling)) {
 78             oa.shouldContain(subgraphCannotBeUsed);
 79         }
 80 
 81         // no module specified during runtime
 82         oa = TestCommon.execCommon(
 83             loggingOption,
 84             "-version");
 85         oa.shouldHaveExitValue(0)
 86           .shouldContain("Module jdk.httpserver specified during dump time but not during runtime");
 87         if (!oa.contains(noOptimizedModuleHandling)) {
 88             oa.shouldContain(subgraphCannotBeUsed);
 89         }
 90 
 91         // dump an archive without the module option
 92         archiveName = TestCommon.getNewArchiveName("no-module-option");
 93         TestCommon.setCurrentArchiveName(archiveName);
 94         oa = TestCommon.dumpBaseArchive(
 95             archiveName,
 96             loggingOption,
 97             "-version");
 98         oa.shouldHaveExitValue(0);
 99 
100         // run with module option
101         oa = TestCommon.execCommon(
102             loggingOption,
103             "-m", moduleOption,
104             "-version");
105         oa.shouldHaveExitValue(0)
106           .shouldContain("Module jdk.httpserver specified during runtime but not during dump time")
107           // version of the jdk.httpserver module, e.g. java 22-ea
108           .shouldMatch(versionPattern);
109         if (!oa.contains(noOptimizedModuleHandling)) {
110             oa.shouldContain(subgraphCannotBeUsed);
111         }
112 
113         // dump an archive with an incubator module, -m jdk.incubator.vector
114         archiveName = TestCommon.getNewArchiveName("incubator-module");
115         TestCommon.setCurrentArchiveName(archiveName);
116         oa = TestCommon.dumpBaseArchive(
117             archiveName,
118             loggingOption,
119             "-m", incubatorModule,
120             "-version");
121         oa.shouldHaveExitValue(0)
122           // module graph won't be archived with an incubator module
123           .shouldContain("archivedBootLayer not available, disabling full module graph");
124 
125         // run with the same incubator module
126         oa = TestCommon.execCommon(
127             loggingOption,
128             "-m", incubatorModule,
129             "-version");
130         oa.shouldContain("full module graph: disabled")
131           // module is not restored from archive
132           .shouldContain("define_module(): creation of module: jdk.incubator.vector")
133           .shouldContain("WARNING: Using incubator modules: jdk.incubator.vector")
134           .shouldContain("subgraph jdk.internal.module.ArchivedBootLayer is not recorde")
135           .shouldContain("module jdk.incubator.vector does not have a ModuleMainClass attribute, use -m <module>/<main-class>")
136           .shouldHaveExitValue(1);
137     }
138 }