confirm element type is same

Author: SentryMan

blackbox-test/src/main/java/org/example/customer/mixin/CrewMate.java

@@ -4,10 +4,12 @@ public class CrewMate {
 
   private String c;
   private Integer susLv;
+  private Integer taskNumber;
 
-  public CrewMate(String c, Integer susLv) {
+  public CrewMate(String c, Integer susLv, Integer taskNumber) {
     this.c = c;
     this.susLv = susLv;
+    this.taskNumber = taskNumber;
   }
 
   public String getC() {
@@ -25,4 +27,12 @@ public Integer getSusLv() {
   public void setSusLv(Integer susLv) {
     this.susLv = susLv;
   }
+
+  public Integer getTaskNumber() {
+    return taskNumber;
+  }
+
+  public void setTaskNumber(Integer taskNumber) {
+    this.taskNumber = taskNumber;
+  }
 }

blackbox-test/src/main/java/org/example/customer/mixin/CrewMateMixIn.java

@@ -10,5 +10,8 @@ public abstract class CrewMateMixIn {
   private String c;
 
   @Json.Ignore(deserialize = true)
-  private int susLv;
+  private Integer susLv;
+
+  @Json.Property("wrongtype")
+  private int taskNumber;
 }

blackbox-test/src/test/java/org/example/customer/mixin/MixinTest.java

@@ -12,13 +12,14 @@ class MixinTest {
 
   @Test
   void toJsonFromJson() {
-    final var bean = new CrewMate("red", 999);
+    final var bean = new CrewMate("red", 999, 45);
 
     final var asJson = jsonb.toJson(bean);
-    assertThat(asJson).isEqualTo("{\"color\":\"red\"}");
+    assertThat(asJson).isEqualTo("{\"color\":\"red\",\"taskNumber\":45}");
 
-    final var fromJson = jsonb.type(CrewMate.class).fromJson("{\"color\":\"blue\",\"susLv\":\"0\"}");
+    final var fromJson = jsonb.type(CrewMate.class).fromJson("{\"color\":\"blue\",\"susLv\":\"0\",\"taskNumber\":45}}");
     assertThat(fromJson.getC()).isEqualTo("blue");
     assertThat(fromJson.getSusLv()).isZero();
+    assertThat(fromJson.getTaskNumber()).isEqualTo(45);
   }
 }

jsonb-generator/src/main/java/io/avaje/jsonb/generator/TypeReader.java

@@ -91,10 +91,12 @@ void read(TypeElement type) {
   }
 
   private void readField(Element element, List<FieldReader> localFields) {
-    if (mixInFields.containsKey(element.getSimpleName().toString())) {
-      element = mixInFields.get(element.getSimpleName().toString());
+    final Element mixInField = mixInFields.get(element.getSimpleName().toString());
+    if (mixInField != null && mixInField.asType().equals(element.asType())) {
+
+      element = mixInField;
     }
-	 if (includeField(element)) {
+    if (includeField(element)) {
       localFields.add(new FieldReader(element, namingConvention, currentSubType));
     }
   }