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/*
 * @test
 * @bug 8130399
 * @summary Make sure -Xpatch works for java.base.
 * @modules java.base/jdk.internal.misc
 * @library /testlibrary
 * @compile XpatchMain.java
 * @run main XpatchJavaBase
 */

import jdk.test.lib.*;

public class XpatchJavaBase {

    public static void main(String[] args) throws Exception {
        String source = "package java.lang; "                       +
                        "public class NewClass { "                  +
                        "    static { "                             +
                        "        System.out.println(\"I pass!\"); " +
                        "    } "                                    +
                        "}";

        ClassFileInstaller.writeClassToDisk("java/lang/NewClass",
             InMemoryJavaCompiler.compile("java.lang.NewClass", source, "-Xmodule:java.base"),
             "mods/java.base");

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xpatch:java.base=mods/java.base",
             "XpatchMain", "java.lang.NewClass");

        new OutputAnalyzer(pb.start())
            .shouldContain("I pass!")
            .shouldHaveExitValue(0);
    }
}