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/* @test
   @bug 8181205
   @summary JRE fails to load/register security providers when started from UNC pathname
*/

import java.io.File;
import java.lang.reflect.Method;
import java.lang.reflect.Constructor;

    public class FindLibrary {
        public static void main(String[] args) throws Exception {
            // this test is most relevant to windows. should pass silently on
            // other OSes

            Class<?> innerClazz = Class.forName("sun.misc.Launcher$ExtClassLoader");
            Class<?>[] ctorArgTypes = {File[].class};

            File tmpFile = new File(System.getProperty("java.home"));
            File[] f = new File[1];
            String uncFileName = "\\\\127.0.0.1\\" + tmpFile.getAbsolutePath().replace(':', '$');
            System.out.println("Testing UNC path of :" + uncFileName);

            f[0] = new File(uncFileName); // a UNC path that must exist
            Object[] ctorArgs = {f};
            Constructor constructor = innerClazz.getDeclaredConstructor(File[].class);
            constructor.setAccessible(true);
            Object o = constructor.newInstance(ctorArgs);
            Method m = innerClazz.getMethod("findLibrary", String.class);
            m.setAccessible(true);
            //buggy JDK will throw IllegalArgumentException with next call
            m.invoke(o, "test");
        }
    }