import java.util.HashMap;

import java.util.Map;

import javax.management.openmbean.CompositeData;

import javax.management.openmbean.CompositeDataSupport;

import javax.management.openmbean.CompositeType;

import javax.management.openmbean.OpenType;

import javax.management.openmbean.SimpleType;

import sun.management.StackTraceElementCompositeData;

import org.testng.annotations.*;

import static org.testng.Assert.*;

/*

 * @test

 * @bug     8139587

 * @summary Check backward compatibility of StackTraceElementCompositeData

 * @run testng CompatibilityTest

 */

public class CompatibilityTest {

    private static CompositeType compositeTypeV6;

    private static Map<String, Object> itemsV6;

    private static CompositeData compositeDataV6;

    @BeforeClass

    public static void setup() throws Exception {

        compositeTypeV6 = new CompositeType(

            StackTraceElement.class.getName(),

            "StackTraceElement",

            new String[]{

                "className", "methodName", "fileName", "nativeMethod", "lineNumber"

            },

            new String[]{

                "className", "methodName", "fileName", "nativeMethod", "lineNumber"

            },

            new OpenType[]{

                SimpleType.STRING,

                SimpleType.STRING,

                SimpleType.STRING,

                SimpleType.BOOLEAN,

                SimpleType.INTEGER

            }

        );

        itemsV6 = new HashMap<>();

        itemsV6.put("className", "MyClass");

        itemsV6.put("methodName", "myMethod");

        itemsV6.put("fileName", "MyClass.java");

        itemsV6.put("nativeMethod", false);

        itemsV6.put("lineNumber", 123);

        compositeDataV6 = new CompositeDataSupport(compositeTypeV6, itemsV6);

    }

    @Test

    public void testV6Compatibility() throws Exception {

        StackTraceElement ste = StackTraceElementCompositeData.from(compositeDataV6);

        assertNotNull(ste);

        assertEquals(ste.getClassName(), "MyClass");

        assertEquals(ste.getMethodName(), "myMethod");

        assertEquals(ste.getFileName(), "MyClass.java");

        assertEquals(ste.isNativeMethod(), false);

        assertEquals(ste.getLineNumber(), 123);

        assertNull(ste.getModuleName());

        assertNull(ste.getModuleVersion());

    }