Merge pull request #850 from k163377/GitHub841

Add check for #841

src/test/kotlin/com/fasterxml/jackson/module/kotlin/test/github/GitHub841.kt

@@ -0,0 +1,34 @@
+package com.fasterxml.jackson.module.kotlin.test.github
+
+import com.fasterxml.jackson.annotation.JsonCreator
+import com.fasterxml.jackson.annotation.JsonInclude
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.module.kotlin.readValue
+import com.fasterxml.jackson.module.kotlin.registerKotlinModule
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class GitHub841 {
+    object Foo {
+        override fun toString(): String = "Foo()"
+
+        @JvmStatic
+        @JsonCreator
+        fun deserialize(): Foo {
+            return Foo
+        }
+    }
+
+    private val mapper = ObjectMapper()
+        .setSerializationInclusion(JsonInclude.Include.NON_ABSENT)
+        .registerKotlinModule()
+
+    @Test
+    fun shouldDeserializeSimpleObject() {
+        val value = Foo
+        val serialized = mapper.writeValueAsString(value)
+        val deserialized = mapper.readValue<Foo>(serialized)
+
+        assertEquals(value, deserialized)
+    }
+}