add serialization order tests (JavaBean style)

src/test/java/com/fasterxml/jackson/failing/SerializationOrder3932Test.java

@@ -0,0 +1,154 @@
+package com.fasterxml.jackson.failing;
+
+import org.junit.jupiter.api.Test;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.testutil.DatabindTestUtil;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * Unit tests for verifying that constraints on ordering of serialized
+ * properties are held. This is a regression test for [databind#3932].
+ */
+public class SerializationOrder3932Test
+    extends DatabindTestUtil
+{
+    static class NestedClassOne {
+        private String id;
+        private String name;
+
+        @JsonProperty(value = "nestedProperty")
+        private NestedClassTwo nestedClassTwo;
+
+        NestedClassOne(String id,
+                       String name,
+                       @JsonProperty(value = "nestedProperty") NestedClassTwo nestedClassTwo) {
+            this.id = id;
+            this.name = name;
+            this.nestedClassTwo = nestedClassTwo;
+        }
+
+        public String getId() {
+            return id;
+        }
+
+        public void setId(String id) {
+            this.id = id;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        public NestedClassTwo getNestedClassTwo() {
+            return nestedClassTwo;
+        }
+
+        public void setNestedClassTwo(NestedClassTwo nestedClassTwo) {
+            this.nestedClassTwo = nestedClassTwo;
+        }
+    }
+
+    static class NestedClassOneWithDuplicatedJsonPropertyAnnotations {
+        private String id;
+        private String name;
+
+        @JsonProperty(value = "nestedProperty")
+        private NestedClassTwo nestedClassTwo;
+
+        NestedClassOneWithDuplicatedJsonPropertyAnnotations(String id,
+                       String name,
+                       @JsonProperty(value = "nestedProperty") NestedClassTwo nestedClassTwo) {
+            this.id = id;
+            this.name = name;
+            this.nestedClassTwo = nestedClassTwo;
+        }
+
+        public String getId() {
+            return id;
+        }
+
+        public void setId(String id) {
+            this.id = id;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        public NestedClassTwo getNestedClassTwo() {
+            return nestedClassTwo;
+        }
+
+        public void setNestedClassTwo(NestedClassTwo nestedClassTwo) {
+            this.nestedClassTwo = nestedClassTwo;
+        }
+    }
+
+    static class NestedClassTwo {
+
+        private String id;
+        private String passport;
+
+        NestedClassTwo(String id,
+                       String passport) {
+            this.id = id;
+            this.passport = passport;
+        }
+
+        public String getId() {
+            return id;
+        }
+
+        public void setId(String id) {
+            this.id = id;
+        }
+
+        public String getPassport() {
+            return passport;
+        }
+
+        public void setPassport(String passport) {
+            this.passport = passport;
+        }
+    }
+
+    /*
+    /*********************************************
+    /* Unit tests
+    /*********************************************
+     */
+
+    private final ObjectMapper MAPPER = newJsonMapper();
+
+    @Test
+    public void testSerializationOrderWithJsonProperty() throws Exception {
+        NestedClassTwo nestedTwo = new NestedClassTwo("2", "111110");
+        NestedClassOne nestedOne = new NestedClassOne("1", "test@records.com", nestedTwo);
+        final String output = MAPPER.writeValueAsString(nestedOne);
+        final String expected = a2q(
+                "{'id':'1','email':'test@records.com','nestedProperty':{'id':'2','passport':'111110'}}");
+        assertEquals(expected, output);
+    }
+
+    @Test
+    public void testSerializationOrderWithDuplicatedJsonProperty() throws Exception {
+        NestedClassTwo nestedTwo = new NestedClassTwo("2", "111110");
+        NestedClassOneWithDuplicatedJsonPropertyAnnotations nestedOne = new NestedClassOneWithDuplicatedJsonPropertyAnnotations(
+            "1", "test@records.com", nestedTwo);
+        final String output = MAPPER.writeValueAsString(nestedOne);
+        final String expected = a2q(
+                "{'id':'1','email':'test@records.com','nestedProperty':{'id':'2','passport':'111110'}}");
+        assertEquals(expected, output);
+    }
+}