The following issues were found

src/test/java/com/alibaba/json/bvt/bug/Issue183.java
3 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 Issue183 extends TestCase {

    public void test_issue_183() throws Exception {
        A a = new A();
        a.setName("xiao").setAge(21);
        String result = JSON.toJSONString(a);
        A newA = JSON.parseObject(result, A.class);
        Assert.assertTrue(a.equals(newA));

Reported by PMD.

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

Line: 14 

              
    public void test_issue_183() throws Exception {
        A a = new A();
        a.setName("xiao").setAge(21);
        String result = JSON.toJSONString(a);
        A newA = JSON.parseObject(result, A.class);
        Assert.assertTrue(a.equals(newA));
    }

Reported by PMD.

Ensure you override both equals() and hashCode()
Error

Line: 53 

                      }

        @Override
        public boolean equals(Object obj) {
            if (this == obj) return true;
            if (obj == null) return false;
            if (getClass() != obj.getClass()) return false;
            A other = (A) obj;
            if (age != other.age) return false;

Reported by PMD.

src/test/java/com/alibaba/json/bvt/bug/Issue184.java
3 issues
System.out.println is used
Design

Line: 18 

                      VO vo = new VO();
        vo.setDate(new Date());
        String text = JSON.toJSONString(vo, filter);
        System.out.println(text);
    }

    private static class VO {

        private Date date;

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: 12 

              
public class Issue184 extends TestCase {

    public void test_for_issue() throws Exception {
        SimplePropertyPreFilter filter = new SimplePropertyPreFilter();
        
        VO vo = new VO();
        vo.setDate(new Date());
        String text = JSON.toJSONString(vo, filter);

Reported by PMD.

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

Line: 12 

              
public class Issue184 extends TestCase {

    public void test_for_issue() throws Exception {
        SimplePropertyPreFilter filter = new SimplePropertyPreFilter();
        
        VO vo = new VO();
        vo.setDate(new Date());
        String text = JSON.toJSONString(vo, filter);

Reported by PMD.

src/test/java/com/alibaba/json/bvt/bug/Issue215_boolean_array.java
3 issues
System.out.println is used
Design

Line: 28 

                      map.put("val", values);
        
        String text = JSON.toJSONString(map);
        System.out.println(text);
        
        Map<String, boolean[]> map2 = JSON.parseObject(text, new TypeReference<HashMap<String, boolean[]>>() {});
        boolean[] values2 = (boolean[]) map2.get("val");
        Assert.assertTrue(Arrays.equals(values2, values));
    }

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: 17 

              

public class Issue215_boolean_array extends TestCase {
    public void test_for_issue() throws Exception {
        boolean[] values = new boolean[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = random.nextInt() % 2 == 0;
        }

Reported by PMD.

Found 'DU'-anomaly for variable 'random' (lines '19'-'33').
Error

Line: 19 

              public class Issue215_boolean_array extends TestCase {
    public void test_for_issue() throws Exception {
        boolean[] values = new boolean[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = random.nextInt() % 2 == 0;
        }
        
        Map<String, boolean[]> map = new HashMap<String, boolean[]>();

Reported by PMD.

src/test/java/com/alibaba/json/bvt/bug/Issue215_char_array.java
3 issues
System.out.println is used
Design

Line: 27 

                      map.put("val", chars);
        
        String text = JSON.toJSONString(map);
        System.out.println(text);
        
        Map<String, char[]> map2 = JSON.parseObject(text, new TypeReference<HashMap<String, char[]>>() {});
        char[] chars2 = (char[]) map2.get("val");
        Assert.assertArrayEquals(chars2, chars);
    }

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: 16 

              

public class Issue215_char_array extends TestCase {
    public void test_for_issue() throws Exception {
        char[] chars = new char[128];
        Random random = new Random();
        for (int i = 0; i < chars.length; ++i) {
            chars[i] = (char) Math.abs((short) random.nextInt());
        }

Reported by PMD.

Found 'DU'-anomaly for variable 'random' (lines '18'-'32').
Error

Line: 18 

              public class Issue215_char_array extends TestCase {
    public void test_for_issue() throws Exception {
        char[] chars = new char[128];
        Random random = new Random();
        for (int i = 0; i < chars.length; ++i) {
            chars[i] = (char) Math.abs((short) random.nextInt());
        }
        
        Map<String, char[]> map = new HashMap<String, char[]>();

Reported by PMD.

src/test/java/com/alibaba/json/bvt/bug/Issue215_double_array.java
3 issues
System.out.println is used
Design

Line: 28 

                      map.put("val", values);
        
        String text = JSON.toJSONString(map);
        System.out.println(text);
        
        Map<String, double[]> map2 = JSON.parseObject(text, new TypeReference<HashMap<String, double[]>>() {});
        double[] values2 = (double[]) map2.get("val");
        Assert.assertTrue(Arrays.equals(values2, values));
    }

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: 17 

              

public class Issue215_double_array extends TestCase {
    public void test_for_issue() throws Exception {
        double[] values = new double[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = random.nextDouble();
        }

Reported by PMD.

Found 'DU'-anomaly for variable 'random' (lines '19'-'33').
Error

Line: 19 

              public class Issue215_double_array extends TestCase {
    public void test_for_issue() throws Exception {
        double[] values = new double[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = random.nextDouble();
        }
        
        Map<String, double[]> map = new HashMap<String, double[]>();

Reported by PMD.

src/test/java/com/alibaba/json/bvt/bug/Issue215_float_array.java
3 issues
System.out.println is used
Design

Line: 28 

                      map.put("val", values);
        
        String text = JSON.toJSONString(map);
        System.out.println(text);
        
        Map<String, float[]> map2 = JSON.parseObject(text, new TypeReference<HashMap<String, float[]>>() {});
        float[] values2 = (float[]) map2.get("val");
        Assert.assertTrue(Arrays.equals(values2, values));
    }

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: 17 

              

public class Issue215_float_array extends TestCase {
    public void test_for_issue() throws Exception {
        float[] values = new float[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = random.nextFloat();
        }

Reported by PMD.

Found 'DU'-anomaly for variable 'random' (lines '19'-'33').
Error

Line: 19 

              public class Issue215_float_array extends TestCase {
    public void test_for_issue() throws Exception {
        float[] values = new float[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = random.nextFloat();
        }
        
        Map<String, float[]> map = new HashMap<String, float[]>();

Reported by PMD.

src/test/java/com/alibaba/json/bvt/bug/Issue215_int_array.java
3 issues
System.out.println is used
Design

Line: 27 

                      map.put("val", values);
        
        String text = JSON.toJSONString(map);
        System.out.println(text);
        
        Map<String, int[]> map2 = JSON.parseObject(text, new TypeReference<HashMap<String, int[]>>() {});
        int[] values2 = (int[]) map2.get("val");
        Assert.assertArrayEquals(values2, values);
    }

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: 16 

              

public class Issue215_int_array extends TestCase {
    public void test_for_issue() throws Exception {
        int[] values = new int[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = random.nextInt();
        }

Reported by PMD.

Found 'DU'-anomaly for variable 'random' (lines '18'-'32').
Error

Line: 18 

              public class Issue215_int_array extends TestCase {
    public void test_for_issue() throws Exception {
        int[] values = new int[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = random.nextInt();
        }
        
        Map<String, int[]> map = new HashMap<String, int[]>();

Reported by PMD.

src/test/java/com/alibaba/json/bvt/bug/Issue215_long_array.java
3 issues
System.out.println is used
Design

Line: 27 

                      map.put("val", values);
        
        String text = JSON.toJSONString(map);
        System.out.println(text);
        
        Map<String, long[]> map2 = JSON.parseObject(text, new TypeReference<HashMap<String, long[]>>() {});
        long[] values2 = (long[]) map2.get("val");
        Assert.assertArrayEquals(values2, values);
    }

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: 16 

              

public class Issue215_long_array extends TestCase {
    public void test_for_issue() throws Exception {
        long[] values = new long[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = random.nextLong();
        }

Reported by PMD.

Found 'DU'-anomaly for variable 'random' (lines '18'-'32').
Error

Line: 18 

              public class Issue215_long_array extends TestCase {
    public void test_for_issue() throws Exception {
        long[] values = new long[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = random.nextLong();
        }
        
        Map<String, long[]> map = new HashMap<String, long[]>();

Reported by PMD.

src/test/java/com/alibaba/json/bvt/bug/Issue215_short_array.java
3 issues
System.out.println is used
Design

Line: 27 

                      map.put("val", values);
        
        String text = JSON.toJSONString(map);
        System.out.println(text);
        
        Map<String, short[]> map2 = JSON.parseObject(text, new TypeReference<HashMap<String, short[]>>() {});
        short[] values2 = (short[]) map2.get("val");
        Assert.assertArrayEquals(values2, values);
    }

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: 16 

              

public class Issue215_short_array extends TestCase {
    public void test_for_issue() throws Exception {
        short[] values = new short[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = (short) random.nextInt();
        }

Reported by PMD.

Found 'DU'-anomaly for variable 'random' (lines '18'-'32').
Error

Line: 18 

              public class Issue215_short_array extends TestCase {
    public void test_for_issue() throws Exception {
        short[] values = new short[128];
        Random random = new Random();
        for (int i = 0; i < values.length; ++i) {
            values[i] = (short) random.nextInt();
        }
        
        Map<String, short[]> map = new HashMap<String, short[]>();

Reported by PMD.

src/test/java/com/alibaba/json/bvt/bug/Issue220.java
3 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 Issue220 extends TestCase {

    public void test_for_issue() throws Exception {
        Attr attr = new Attr();
        attr.jTType = 123;
        attr.value = "xxxx";
        attr.symbol = "yyyy";

Reported by PMD.

The class 'Attr' is suspected to be a Data Class (WOC=0.000%, NOPA=0, NOAM=6, WMC=6)
Design

Line: 22 

                      Assert.assertEquals("{\"jTType\":123,\"symbol\":\"yyyy\",\"value\":\"xxxx\"}", text);
    }

    public static class Attr {

        private int    jTType;
        private String value;
        private String symbol;

Reported by PMD.

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

Line: 24 

              
    public static class Attr {

        private int    jTType;
        private String value;
        private String symbol;

        public int getjTType() {
            return jTType;

Reported by PMD.