add AnyValDeserializerTest (#676)

Author: pjfanning

src/test/scala/com/fasterxml/jackson/module/scala/deser/AnyValDeserializerTest.scala

@@ -0,0 +1,37 @@
+package com.fasterxml.jackson.module.scala.deser
+
+import com.fasterxml.jackson.module.scala.deser.AnyValDeserializerTest.DoubleAnyValHolder
+import com.fasterxml.jackson.module.scala.{DefaultScalaModule, JacksonModule}
+
+object AnyValDeserializerTest {
+  case class DoubleAnyVal(underlying: Double) extends AnyVal
+  case class DoubleAnyValHolder(value: DoubleAnyVal)
+
+  case class BigIntAnyVal(underlying: BigInt) extends AnyVal
+  case class BigIntAnyValHolder(value: BigIntAnyVal)
+  case class BigIntOptionAnyValHolder(value: Option[BigIntAnyVal])
+}
+
+class AnyValDeserializerTest extends DeserializerTest {
+  import AnyValDeserializerTest._
+
+  lazy val module: JacksonModule = DefaultScalaModule
+
+  behavior of "AnyVal"
+
+  it should "deserialize an Double AnyVal" in {
+    val mapper = newMapper
+    val expected = DoubleAnyVal(42)
+    mapper.readValue("""{"underlying":42.0}""", classOf[DoubleAnyVal]) shouldEqual expected
+    mapper.readValue("""{"value":42.0}""", classOf[DoubleAnyValHolder]) shouldEqual DoubleAnyValHolder(expected)
+  }
+
+  it should "deserialize an BigInt AnyVal" in {
+    val mapper = newMapper
+    val expected = BigIntAnyVal(42)
+    mapper.readValue("""{"underlying":42}""", classOf[BigIntAnyVal]) shouldEqual expected
+    mapper.readValue("""{"value":42}""", classOf[BigIntAnyValHolder]) shouldEqual BigIntAnyValHolder(expected)
+    //mapper.readValue("""{"value":{"underlying":42}}""", classOf[BigIntOptionAnyValHolder]) shouldEqual
+      //BigIntOptionAnyValHolder(Some(expected))
+  }
+}