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/*
 * @test
 * @bug 8246774
 * @summary superclass fields in the stream should be discarded
 * @library /test/lib
 * @modules jdk.compiler
 * @compile AssignableFrom.java Point.java DefaultValues.java SuperStreamFields.java
 * @run testng SuperStreamFieldsTest
 */

import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import static java.lang.System.out;
import static org.testng.Assert.assertEquals;

/**
 *  Tests that superclass fields in the stream are discarded.
 */
public class SuperStreamFieldsTest extends AbstractTest {

    @DataProvider(name = "plainInstances")
    public Object[][] plainInstances() {
        return new Object[][] {
            new Object[] { newPlainSuperStreamFields("cat", new int[] { 1 },    1)   },
            new Object[] { newPlainSuperStreamFields("dog", new int[] { 2, 3 }, 4)   },
            new Object[] { newPlainSuperStreamFields("rat", new int[] { 5, 6 }, 7)   },
        };
    }

    /** Serializes non-record (plain) instance, deserializes as a record. */
    @Test(dataProvider = "plainInstances")
    public void testPlainToRecord(SuperStreamFields objToSerialize) throws Exception {
        assert !objToSerialize.getClass().isRecord();
        out.println("serialize   : " + objToSerialize);
        byte[] bytes = serialize(objToSerialize);
        SuperStreamFields objDeserialized = deserializeAsRecord(bytes);
        assert objDeserialized.getClass().isRecord();
        out.println("deserialized: " + objDeserialized);

        assertEquals(objToSerialize.str(), objDeserialized.str());
        assertEquals(objToSerialize.x(),   objDeserialized.x());
        assertEquals(objToSerialize.y(),   objDeserialized.y());
    }

    @DataProvider(name = "recordInstances")
    public Object[][] recordInstances() {
        return new Object[][] {
            new Object[] { newRecordSuperStreamFields("goat",   new int[] { 56 },     66)   },
            new Object[] { newRecordSuperStreamFields("rabbit", new int[] { 22, 75 }, 77)   },
            new Object[] { newRecordSuperStreamFields("mouse",  new int[] { 12, 18 }, 88)   },
        };
    }

    /** Serializes record instance, deserializes as non-record (plain). */
    @Test(dataProvider = "recordInstances")
    public void testRecordToPlain(SuperStreamFields objToSerialize) throws Exception {
        assert objToSerialize.getClass().isRecord();
        out.println("serialize   : " + objToSerialize);
        byte[] bytes = serialize(objToSerialize);
        SuperStreamFields objDeserialized = deserializeAsPlain(bytes);
        assert !objDeserialized.getClass().isRecord();
        out.println("deserialized: " + objDeserialized);

        assertEquals(objToSerialize.str(), objDeserialized.str());
        assertEquals(objToSerialize.x(),   objDeserialized.x());
        assertEquals(objToSerialize.y(),   objDeserialized.y());

    }

    static SuperStreamFields newPlainSuperStreamFields(String str, int[] x, int y) {
        try {
            Class<?> c = Class.forName("SuperStreamFieldsImpl", true, plainLoader);
            var obj = (SuperStreamFields) c.getConstructor(String.class, int[].class, int.class)
                                           .newInstance(str, x, y);
            assert !obj.getClass().isRecord();
            return obj;
        } catch (ReflectiveOperationException e) {
            throw new AssertionError(e);
        }
    }

    static SuperStreamFields newRecordSuperStreamFields(String str, int[] x, int y) {
        try {
            Class<?> c = Class.forName("SuperStreamFieldsImpl", true, recordLoader);
            var obj = (SuperStreamFields) c.getConstructor(String.class, int[].class, int.class)
                                           .newInstance(str, x, y);
            assert obj.getClass().isRecord();
            return obj;
        } catch (ReflectiveOperationException e) {
            throw new AssertionError(e);
        }
    }
}