The following issues were found

src/test/java/com/alibaba/json/bvt/jdk8/OptionalLong_Test.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 OptionalLong_Test extends TestCase {

    public void test_optional() throws Exception {
        Model model = new Model();
        model.value = OptionalLong.empty();

        String text = JSON.toJSONString(model);

Reported by PMD.

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

Line: 28 

              

    public static class Model {
        public OptionalLong value;

    }
}

Reported by PMD.

src/test/java/com/alibaba/json/bvt/parser/autoType/AutoTypeTest6.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: 7 

              import junit.framework.TestCase;

public class AutoTypeTest6 extends TestCase {
    public void test_0() throws Exception {
        JSON.parseObject("{\"@type\":\"com.alibaba.fastjson.util.AntiCollisionHashMap\"}");
    }
}

Reported by PMD.

JUnit tests should include assert() or fail()
Design

Line: 7 

              import junit.framework.TestCase;

public class AutoTypeTest6 extends TestCase {
    public void test_0() throws Exception {
        JSON.parseObject("{\"@type\":\"com.alibaba.fastjson.util.AntiCollisionHashMap\"}");
    }
}

Reported by PMD.

src/test/java/com/alibaba/json/bvt/issue_1100/Issue1177.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 

               * Created by wenshao on 02/05/2017.
 */
public class Issue1177 extends TestCase {
    public void test_for_issue() throws Exception {
        String text = "{\"a\":{\"b\":\"c\",\"g\":{\"e\":\"f\"}},\"d\":{\"a\":\"f\",\"h\":[\"s1\"]}} ";
        JSONObject jsonObject = JSONObject.parseObject(text);
        Object eval = JSONPath.eval(jsonObject, "$..a");
        assertNotNull(eval);
    }

Reported by PMD.

JUnit assertions should include a message
Design

Line: 15 

                      String text = "{\"a\":{\"b\":\"c\",\"g\":{\"e\":\"f\"}},\"d\":{\"a\":\"f\",\"h\":[\"s1\"]}} ";
        JSONObject jsonObject = JSONObject.parseObject(text);
        Object eval = JSONPath.eval(jsonObject, "$..a");
        assertNotNull(eval);
    }
}

Reported by PMD.

src/test/java/com/alibaba/json/bvt/feature/FeatureTest_8.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 

              import junit.framework.TestCase;

public class FeatureTest_8 extends TestCase {
    public void test_get_obj() throws Exception {
        VO value = JSON.parseObject("{}", VO.class, Feature.InitStringFieldAsEmpty);
        Assert.assertEquals("", value.id);
    }

    private static class VO {

Reported by PMD.

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

Line: 17 

                  }

    private static class VO {
        public String id;
    }
}

Reported by PMD.

src/test/java/com/alibaba/json/bvt/issue_1700/Issue1727.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 

              import java.util.Date;

public class Issue1727 extends TestCase {
    public void test_for_issue() throws Exception {
        String jsonString = "{\"gmtCreate\":\"20180131214157805-0800\"}";
        JSONObject.parseObject(jsonString, Model.class); //正常解析
        JSONObject.toJavaObject(JSON.parseObject(jsonString), Model.class);
    }

Reported by PMD.

JUnit tests should include assert() or fail()
Design

Line: 11 

              import java.util.Date;

public class Issue1727 extends TestCase {
    public void test_for_issue() throws Exception {
        String jsonString = "{\"gmtCreate\":\"20180131214157805-0800\"}";
        JSONObject.parseObject(jsonString, Model.class); //正常解析
        JSONObject.toJavaObject(JSON.parseObject(jsonString), Model.class);
    }

Reported by PMD.

src/test/java/com/alibaba/json/bvt/issue_1700/Issue1761.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: 7 

              import junit.framework.TestCase;

public class Issue1761 extends TestCase {
    public void test_for_issue() throws Exception {
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("null","");
        double d = jsonObject.getDoubleValue("null");
        assertEquals(d, 0.0D);
    }

Reported by PMD.

JUnit assertions should include a message
Design

Line: 11 

                      JSONObject jsonObject = new JSONObject();
        jsonObject.put("null","");
        double d = jsonObject.getDoubleValue("null");
        assertEquals(d, 0.0D);
    }
}

Reported by PMD.

src/test/java/com/alibaba/json/bvt/issue_1900/Issue1972.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: 9 

              import junit.framework.TestCase;

public class Issue1972 extends TestCase {
    public void test_for_issue() throws Exception {
        JSONObject jsonObject = new JSONObject();
        final JSONObject a = new JSONObject();
        final JSONObject b = new JSONObject();
        a.put("b", b);

Reported by PMD.

JUnit assertions should include a message
Design

Line: 23 

                      jsonObject.put("a", a);
        JSONPath.arrayAdd(jsonObject,"$.a.b[c = '2018-04'].d", obj);

        assertEquals("{\"a\":{\"b\":{\"c\":\"2018-04\",\"d\":[123]}}}", jsonObject.toString());
    }
}

Reported by PMD.

src/test/java/com/alibaba/json/bvt/issue_2500/Issue2516.java
2 issues
JUnit tests should include assert() or fail()
Design

Line: 13 

              
public class Issue2516 extends TestCase
{
    public void test_for_issue() throws Exception {
        JSONObject jsonObject = new JSONObject();
        jsonObject.toJavaObject(JSONObject.class);
        jsonObject.toJavaObject(JSON.class);

        new JSONArray().toJavaObject(JSON.class);

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 Issue2516 extends TestCase
{
    public void test_for_issue() throws Exception {
        JSONObject jsonObject = new JSONObject();
        jsonObject.toJavaObject(JSONObject.class);
        jsonObject.toJavaObject(JSON.class);

        new JSONArray().toJavaObject(JSON.class);

Reported by PMD.

src/test/java/com/alibaba/json/bvt/date/DateTest_dotnet_3.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 DateTest_dotnet_3 extends TestCase {

    public void test_date() throws Exception {
        String text = "{\"date\":\"/Date(1461081600321+0500)/\"}";

        Model model = JSON.parseObject(text, Model.class);
        Assert.assertEquals(1461081600321L, model.date.getTime());
    }

Reported by PMD.

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

Line: 17 

                      String text = "{\"date\":\"/Date(1461081600321+0500)/\"}";

        Model model = JSON.parseObject(text, Model.class);
        Assert.assertEquals(1461081600321L, model.date.getTime());
    }

    private static class Model {

        private Date date;

Reported by PMD.

src/test/java/com/alibaba/json/bvt/date/DateFieldTest7.java
2 issues
JUnit 4 tests that set up tests should use the @Before annotation, JUnit5 tests should use @BeforeEach or @BeforeAll
Design

Line: 16 

              import com.alibaba.fastjson.serializer.SimpleDateFormatSerializer;

public class DateFieldTest7 extends TestCase {
    protected void setUp() throws Exception {
        JSON.defaultTimeZone = TimeZone.getTimeZone("Asia/Shanghai");
        JSON.defaultLocale = Locale.CHINA;
    }
    
	public void test_0() throws Exception {

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 

                      JSON.defaultLocale = Locale.CHINA;
    }
    
	public void test_0() throws Exception {
		SerializeConfig config = new SerializeConfig();
		config.put(Date.class, new SimpleDateFormatSerializer("yyyy-MM-dd"));
		config.setAsmEnable(false);

		Entity object = new Entity();

Reported by PMD.