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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/**
 * @test
 * @bug 8344904
 * @summary make sure all interned strings in old classes are archived.
 * @requires vm.cds.write.archived.java.heap
 * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds
 * @build OldClassWithStaticString
 * @build StaticStringInOldClass
 * @run driver jdk.test.lib.helpers.ClassFileInstaller
 *                 -jar StaticStringInOldClass.jar StaticStringInOldClass StaticStringInOldClassApp OldClassWithStaticString
 * @run driver StaticStringInOldClass
 */

import java.lang.reflect.Field;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.helpers.ClassFileInstaller;

public class StaticStringInOldClass {
    static final String appClass = StaticStringInOldClassApp.class.getName();
    static String[] classes = {
        appClass,
        OldClassWithStaticString.class.getName(),
    };

    public static void main(String[] args) throws Exception {
        String appJar = ClassFileInstaller.getJarPath("StaticStringInOldClass.jar");
        OutputAnalyzer output;
        output = TestCommon.testDump(appJar, TestCommon.list(classes));
        output = TestCommon.exec(appJar, appClass);
        TestCommon.checkExec(output, "Hello");
    }
}

class StaticStringInOldClassApp {
    static String a = "xxxx123";
    public static void main(String args[]) throws Exception {
        System.out.println("Hello");
        String x = (a + "yyyy456").intern();
        Class c = OldClassWithStaticString.class;
        Field f = c.getField("s");
        String y = (String)(f.get(null));
        if (x != y) {
            throw new RuntimeException("Interned strings not equal: " +
                                       "\"" + x + "\" @ " + System.identityHashCode(x) + " vs " +
                                       "\"" + y + "\" @ " + System.identityHashCode(y));
        }
    }
}