Update CaseClassSerializerTest.scala

Author: pjfanning

src/test/scala/tools/jackson/module/scala/ser/CaseClassSerializerTest.scala

@@ -67,6 +67,8 @@ case class ClassWithOnlyUnitField(field: Unit)
 object CaseClassSerializerTest {
   case class BigDecimalHolder(bigDecimal: BigDecimal)
   case class ClassWithUnorderedFields(f3: Int = 3, f2: Int = 2, f0: Int = 0, f1: Int = 1)
+  @JsonPropertyOrder(Array("f0", "f1", "f2", "f3"))
+  case class AnnotatedClassWithUnorderedFields(f3: Int = 3, f2: Int = 2, f0: Int = 0, f1: Int = 1)
 }
 
 class CaseClassSerializerTest extends SerializerTest {
@@ -238,4 +240,8 @@ class CaseClassSerializerTest extends SerializerTest {
       .build()
     serialize(ClassWithUnorderedFields(), mapper) shouldEqual """{"f0":0,"f1":1,"f2":2,"f3":3}"""
   }
+
+  it should "respect JsonPropertyOrder" in {
+    serialize(AnnotatedClassWithUnorderedFields(), newMapper) shouldEqual """{"f0":0,"f1":1,"f2":2,"f3":3}"""
+  }
 }