Add test

Author: k163377

src/test/kotlin/com/fasterxml/jackson/module/kotlin/test/github/GitHub625.kt

@@ -0,0 +1,73 @@
+package com.fasterxml.jackson.module.kotlin.test.github
+
+import com.fasterxml.jackson.annotation.JsonInclude
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import com.fasterxml.jackson.module.kotlin.testPrettyWriter
+import org.junit.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertNotEquals
+
+class GitHub625 {
+    @JvmInline
+    value class Primitive(val v: Int)
+
+    @JvmInline
+    value class NonNullObject(val v: String)
+
+    @JvmInline
+    value class NullableObject(val v: String?)
+
+    @JsonInclude(value = JsonInclude.Include.NON_NULL, content = JsonInclude.Include.NON_NULL)
+    data class Dto(
+        val primitive: Primitive? = null,
+        val nonNullObject: NonNullObject? = null,
+        val nullableObject: NullableObject? = null
+    ) {
+        fun getPrimitiveGetter(): Primitive? = null
+        fun getNonNullObjectGetter(): NonNullObject? = null
+        fun getNullableObjectGetter(): NullableObject? = null
+    }
+
+    @Test
+    fun test() {
+        val mapper = jacksonObjectMapper()
+        val dto = Dto()
+        assertEquals("{}", mapper.writeValueAsString(dto))
+    }
+
+    @JsonInclude(value = JsonInclude.Include.NON_EMPTY, content = JsonInclude.Include.NON_NULL)
+    data class FailingDto(
+        val nullableObject1: NullableObject = NullableObject(null),
+        val nullableObject2: NullableObject? = NullableObject(null),
+        val map: Map<Any, Any?> = mapOf("nullableObject" to NullableObject(null),)
+    ) {
+        fun getNullableObjectGetter1(): NullableObject = NullableObject(null)
+        fun getNullableObjectGetter2(): NullableObject? = NullableObject(null)
+        fun getMapGetter(): Map<Any, Any?> = mapOf("nullableObject" to NullableObject(null))
+    }
+
+    @Test
+    fun failing() {
+        val writer = jacksonObjectMapper().testPrettyWriter()
+        val json = writer.writeValueAsString(FailingDto())
+
+        assertNotEquals("{ }", json)
+        assertEquals(
+            """
+                {
+                  "nullableObject1" : null,
+                  "nullableObject2" : null,
+                  "map" : {
+                    "nullableObject" : null
+                  },
+                  "mapGetter" : {
+                    "nullableObject" : null
+                  },
+                  "nullableObjectGetter2" : null,
+                  "nullableObjectGetter1" : null
+                }
+            """.trimIndent(),
+            json
+        )
+    }
+}