The following issues were found

src/test/java/com/alibaba/json/bvt/parser/deser/arraymapping/ArrayMappingErrorTest2.java
2 issues
JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 14 

              
public class ArrayMappingErrorTest2 extends TestCase {

    public void test_for_error() throws Exception {
        Exception error = null;
        try {
            JSON.parseObject("[1001,{}}", Model.class, Feature.SupportArrayToBean);
        } catch (JSONException ex) {
            error = ex;

Reported by PMD.

Found 'DD'-anomaly for variable 'error' (lines '15'-'19').
Error

Line: 15 

              public class ArrayMappingErrorTest2 extends TestCase {

    public void test_for_error() throws Exception {
        Exception error = null;
        try {
            JSON.parseObject("[1001,{}}", Model.class, Feature.SupportArrayToBean);
        } catch (JSONException ex) {
            error = ex;
        }

Reported by PMD.

src/test/java/com/alibaba/json/bvt/parser/deser/arraymapping/ArrayMappingErrorTest.java
2 issues
JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 13 

              
public class ArrayMappingErrorTest extends TestCase {

    public void test_for_error() throws Exception {
        Exception error = null;
        try {
            JSON.parseObject("[1001,2002]", Model.class, Feature.SupportArrayToBean);
        } catch (JSONException ex) {
            error = ex;

Reported by PMD.

Found 'DD'-anomaly for variable 'error' (lines '14'-'18').
Error

Line: 14 

              public class ArrayMappingErrorTest extends TestCase {

    public void test_for_error() throws Exception {
        Exception error = null;
        try {
            JSON.parseObject("[1001,2002]", Model.class, Feature.SupportArrayToBean);
        } catch (JSONException ex) {
            error = ex;
        }

Reported by PMD.

src/test/java/com/alibaba/json/bvt/serializer/LocalTest.java
2 issues
JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 12 

              
public class LocalTest extends TestCase {

    public void test_timezone() throws Exception {
        String text = JSON.toJSONString(Locale.CHINA);

        Assert.assertEquals(JSON.toJSONString(Locale.CHINA.toString()), text);
     
        Locale locale = JSON.parseObject(text, Locale.class);

Reported by PMD.

Potential violation of Law of Demeter (static property access)
Design

Line: 15 

                  public void test_timezone() throws Exception {
        String text = JSON.toJSONString(Locale.CHINA);

        Assert.assertEquals(JSON.toJSONString(Locale.CHINA.toString()), text);
     
        Locale locale = JSON.parseObject(text, Locale.class);
        Assert.assertEquals(Locale.CHINA, locale);
    }
}

Reported by PMD.

src/test/java/com/alibaba/json/bvt/serializer/ObjectSerializerTest.java
2 issues
JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 17 

              
public class ObjectSerializerTest extends TestCase {

    public void test_serialize() throws Exception {
        SerializeConfig config = new SerializeConfig();
        config.put(ResultCode.class, new ResultCodeSerilaizer());

        Result result = new Result();
        result.code = ResultCode.SIGN_ERROR;

Reported by PMD.

Found non-transient, non-static member. Please mark as transient or provide accessors.
Error

Line: 29 

              
    public static class Result {

        public ResultCode code;
    }

    public static enum ResultCode {
                                   SUCCESS(1), ERROR(-1), UNKOWN_ERROR(999), LOGIN_FAILURE(8), INVALID_ARGUMENT(0),
                                   SIGN_ERROR(17);

Reported by PMD.

src/test/java/com/alibaba/json/bvt/serializer/PascalNameFilterTest.java
2 issues
JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 11 

              
public class PascalNameFilterTest extends TestCase {

    public void test_0() throws Exception {
        JSONSerializer serializer = new JSONSerializer();
        serializer.getNameFilters().add(new PascalNameFilter());
        
        VO vo = new VO();
        vo.setId(123);

Reported by PMD.

The class 'VO' is suspected to be a Data Class (WOC=0.000%, NOPA=0, NOAM=4, WMC=4)
Design

Line: 26 

                      serializer.close();
    }

    public static class VO {

        private int    id;
        private String name;

        public int getId() {

Reported by PMD.

src/test/java/com/alibaba/json/bvt/serializer/PrePropertyFilterTest.java
2 issues
Avoid throwing raw exception types.
Design

Line: 15 

              
    public void test_0() throws Exception {
        class VO {
            public int getId() { throw new RuntimeException(); }
        }

        PropertyPreFilter filter = new PropertyPreFilter () {
            public boolean apply(JSONSerializer serializer, Object source, String name) {
                return false;

Reported by PMD.

JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 13 

              
public class PrePropertyFilterTest extends TestCase {

    public void test_0() throws Exception {
        class VO {
            public int getId() { throw new RuntimeException(); }
        }

        PropertyPreFilter filter = new PropertyPreFilter () {

Reported by PMD.

src/test/java/com/alibaba/json/bvt/serializer/RectangleSerializerTest.java
2 issues
JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 17 

              
public class RectangleSerializerTest extends TestCase {
    
    public void test_null() throws Exception {
        JSONSerializer serializer = new JSONSerializer();
        Assert.assertEquals(AwtCodec.class, serializer.getObjectWriter(Rectangle.class).getClass());
        
        VO vo = new VO();

Reported by PMD.

Potential violation of Law of Demeter (method chain calls)
Design

Line: 19 

                  
    public void test_null() throws Exception {
        JSONSerializer serializer = new JSONSerializer();
        Assert.assertEquals(AwtCodec.class, serializer.getObjectWriter(Rectangle.class).getClass());
        
        VO vo = new VO();
        
        Assert.assertEquals("{\"value\":null}", JSON.toJSONString(vo, SerializerFeature.WriteMapNullValue));
    }

Reported by PMD.

src/test/java/com/alibaba/json/bvt/serializer/SerializeWriterTest_17.java
2 issues
JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 15 

              
public class SerializeWriterTest_17 extends TestCase {

    public void test_writer_1() throws Exception {
        StringWriter strOut = new StringWriter();
        SerializeWriter out = new SerializeWriter(strOut, 6);
        out.config(SerializerFeature.QuoteFieldNames, true);

        try {

Reported by PMD.

JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 32 

                      Assert.assertEquals("{\"value\":123456789}", strOut.toString());
    }
    
    public void test_direct() throws Exception {
        SerializeWriter out = new SerializeWriter(6);
        out.config(SerializerFeature.QuoteFieldNames, true);

        try {
            JSONSerializer serializer = new JSONSerializer(out);

Reported by PMD.

src/test/java/com/alibaba/json/bvt/serializer/SerializeWriterTest_19.java
2 issues
JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 16 

              
public class SerializeWriterTest_19 extends TestCase {

    public void test_writer_1() throws Exception {
        SerializeWriter out = new SerializeWriter(14);
        out.config(SerializerFeature.QuoteFieldNames, true);
        out.config(SerializerFeature.UseSingleQuotes, true);
        try {
            JSONSerializer serializer = new JSONSerializer(out);

Reported by PMD.

Potential violation of Law of Demeter (method chain calls)
Design

Line: 24 

                          JSONSerializer serializer = new JSONSerializer(out);

            VO vo = new VO();
            vo.getValues().add("#");
            serializer.write(vo);

            Assert.assertEquals("{'values':['#']}", out.toString());
        } finally {
            out.close();

Reported by PMD.

src/test/java/com/alibaba/json/bvt/serializer/SerializeWriterTest_2.java
2 issues
JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 13 

              @SuppressWarnings("deprecation")
public class SerializeWriterTest_2 extends TestCase {

    public void test_0() throws Exception {
        SerializeWriter out = new SerializeWriter(1);
        out.config(SerializerFeature.WriteTabAsSpecial, true);
        out.writeString("\t\n \b\n\r\f\\ \"");
        Assert.assertEquals("\"\\t\\n \\b\\n\\r\\f\\\\ \\\"\"", out.toString());
        out.close();

Reported by PMD.

JUnit 4 tests that execute tests should use the @Test annotation, JUnit 5 tests should use @Test, @RepeatedTest, @TestFactory, @TestTemplate or @ParameterizedTest
Design

Line: 21 

                      out.close();
    }

    public void test_1() throws Exception {
        SerializeWriter out = new SerializeWriter(1);
        out.config(SerializerFeature.WriteTabAsSpecial, true);
        out.config(SerializerFeature.UseSingleQuotes, true);
        out.writeString("\t\n \b\n\r\f\\ \"");
        Assert.assertEquals("'\\t\\n \\b\\n\\r\\f\\\\ \"'", out.toString());

Reported by PMD.