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import java.lang.reflect.Method;

import java.util.HashMap;

import java.util.Map;

import javax.management.loading.MLet;

import org.testng.annotations.Test;

import org.testng.annotations.BeforeClass;

import org.testng.annotations.BeforeTest;

import static org.testng.Assert.*;

/*

 * @test

 * @bug 8058089

 * @summary Tests various internal functions provided by MLet for correctness

 * @author Jaroslav Bachorik

 * @run testng MLetInternalsTest

 */

public class MLetInternalsTest {

    private final static String CONSTRUCT_PARAMETER = "constructParameter";

    private final static Map<String, Method> testedMethods = new HashMap<>();

    @BeforeClass

    public static void setupClass() {

        testedMethods.clear();

        try {

            Method m = MLet.class.getDeclaredMethod(

                    CONSTRUCT_PARAMETER,

                    String.class, String.class

            );

            m.setAccessible(true);

            testedMethods.put(CONSTRUCT_PARAMETER, m);

        } catch (Exception ex) {

            throw new Error(ex);

        }

    }

    private MLet mlet;

    @BeforeTest

    public void setupTest() {

        mlet = new MLet();

    }

    @Test

    public void testConstructParameter() throws Exception {

        assertEquals(constructParameter("120", "int"), 120);

        assertEquals(constructParameter("120", "java.lang.Integer"), Integer.valueOf(120));

        assertEquals(constructParameter("120", "long"), 120L);

        assertEquals(constructParameter("120", "java.lang.Long"), Long.valueOf(120));

        assertEquals(constructParameter("120.0", "float"), 120.0f);

        assertEquals(constructParameter("120.0", "java.lang.Float"), Float.valueOf(120.0f));

        assertEquals(constructParameter("120.0", "double"), 120.0d);

        assertEquals(constructParameter("120", "java.lang.Double"), Double.valueOf(120d));

        assertEquals(constructParameter("120", "java.lang.String"), "120");

        assertEquals(constructParameter("120", "byte"), (byte)120);

        assertEquals(constructParameter("120", "java.lang.Byte"), (byte)120);

        assertEquals(constructParameter("120", "short"), (short)120);

        assertEquals(constructParameter("120", "java.lang.Short"), (short)120);

        assertEquals(constructParameter("true", "boolean"), true);

        assertEquals(constructParameter("true", "java.lang.Boolean"), Boolean.valueOf(true));

    }

    private Object constructParameter(String param, String type) throws Exception {

        return testedMethods.get(CONSTRUCT_PARAMETER).invoke(mlet, param, type);

    }

}