add tests

Author: k163377

src/test/kotlin/com/fasterxml/jackson/module/kotlin/test/github/GitHub530.kt

@@ -0,0 +1,83 @@
+package com.fasterxml.jackson.module.kotlin.test.github
+
+import com.fasterxml.jackson.annotation.JsonValue
+import com.fasterxml.jackson.module.kotlin.jacksonMapperBuilder
+import org.junit.Test
+import kotlin.test.assertEquals
+
+class GitHub530 {
+    // At the moment, the output is the same with or without `JsonValue`,
+    // but this pattern is included in the test case in case the option to default to a serialization method that
+    // does not `unbox` is introduced in the future.
+    @JvmInline value class Foo(@get:JsonValue val value: Int)
+    @JvmInline value class Bar(@JvmField @field:JsonValue val value: Int)
+
+    @JvmInline value class Baz(val value: Int) {
+        @get:JsonValue val jsonValue: String get() = this.toString()
+    }
+    @JvmInline value class Qux(val value: Int) {
+        @JsonValue fun getJsonValue(): String = this.toString()
+    }
+
+    interface JsonValueGetter { @get:JsonValue val jsonValue: String get() = this.toString() }
+    @JvmInline value class Quux(val value: Int): JsonValueGetter
+    @JvmInline value class Corge(val value: Int): JsonValueGetter
+
+    @JvmInline value class Grault(val value: Int) {
+        @get:JsonValue val jsonValue: String get() = this.toString()
+    }
+
+    data class Data<T : Any>(
+        val foo1: Foo,
+        val foo2: Foo?,
+        val bar1: Bar,
+        val bar2: Bar?,
+        val baz1: Baz,
+        val baz2: Baz?,
+        val qux1: Qux,
+        val qux2: Qux?,
+        val quux1: Quux,
+        val quux2: Quux?,
+        val corge1: JsonValueGetter,
+        val corge2: JsonValueGetter?,
+        val grault1: T,
+        val grault2: T?
+    )
+
+    @Test
+    fun test() {
+        val writer = jacksonMapperBuilder().build().writerWithDefaultPrettyPrinter()
+
+        assertEquals(
+            """
+                {
+                  "foo1" : 0,
+                  "foo2" : 1,
+                  "bar1" : 2,
+                  "bar2" : 3,
+                  "baz1" : "Baz(value=4)",
+                  "baz2" : "Baz(value=5)",
+                  "qux1" : "Qux(value=6)",
+                  "qux2" : "Qux(value=7)",
+                  "quux1" : "Quux(value=8)",
+                  "quux2" : "Quux(value=9)",
+                  "corge1" : "Corge(value=10)",
+                  "corge2" : "Corge(value=11)",
+                  "grault1" : "Grault(value=12)",
+                  "grault2" : "Grault(value=13)",
+                }
+            """.trimIndent(),
+            writer.writeValueAsString(
+                Data(
+                    Foo(0), Foo(1),
+                    Bar(2), Bar(3),
+                    Baz(4), Baz(5),
+                    Qux(6), Qux(7),
+                    Quux(8), Quux(9),
+                    Corge(10), Corge(11),
+                    Grault(12), Grault(13)
+                )
+            )
+        )
+    }
+}