jdk-24/test/hotspot/jtreg/runtime/cds/appcds/sharedStrings/ResolvedReferencesNotNullTest.java

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/**
 * @test ResolvedReferencesNotNullTest
 * @bug 8313638
 * @summary Testing resolved references array to ensure elements are non-null
 * @requires vm.cds.write.archived.java.heap
 * @requires vm.flagless
 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
 * @build jdk.test.whitebox.WhiteBox ResolvedReferencesWb ResolvedReferencesTestApp
 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
 * @run driver ResolvedReferencesNotNullTest
 */

import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.whitebox.WhiteBox;

public class ResolvedReferencesNotNullTest {
    public static void main(String[] args) throws Exception {
        SharedStringsUtils.buildJarAndWhiteBox("ResolvedReferencesWb", "ResolvedReferencesTestApp");
        String appJar = TestCommon.getTestJar(SharedStringsUtils.TEST_JAR_NAME_FULL);
        String whiteboxParam = SharedStringsUtils.getWbParam();

        ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder("-cp",
                                                                             appJar,
                                                                             whiteboxParam,
                                                                             "-XX:+UnlockDiagnosticVMOptions",
                                                                             "-XX:+WhiteBoxAPI",
                                                                             "ResolvedReferencesWb",
                                                                             "false" // ResolvedReferencesTestApp is not archived
                                                                             );
        OutputAnalyzer output = new OutputAnalyzer(pb.start());
        output.shouldHaveExitValue(0);

        TestCommon.dump(appJar,
                        TestCommon.list("ResolvedReferencesWb", "ResolvedReferencesTestApp"),
                        TestCommon.concat("-XX:SharedArchiveFile=ResolvedRef.jsa",
                                          "-XX:+UnlockDiagnosticVMOptions",
                                          "-XX:+WhiteBoxAPI",
                                          whiteboxParam));

        // Since ResolvedReferencesTestApp is now archived, all of the strings should be in the resolved
        // references array
        TestCommon.run("-cp",
                       appJar,
                       whiteboxParam,
                       "-XX:SharedArchiveFile=ResolvedRef.jsa",
                       "-XX:+UnlockDiagnosticVMOptions",
                       "-XX:+WhiteBoxAPI",
                       "ResolvedReferencesWb",
                       "true" // ResolvedReferencesTestApp is archived
                       ).assertNormalExit();
    }
}