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com-lihaoyi · Jul 5, 2024 · 8995e63 · 8995e63
1 parent 2a6ee6d
commit 8995e63
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/upickle/test/src/upickle/AdvancedTests.scala b/upickle/test/src/upickle/AdvancedTests.scala
@@ -335,15 +335,17 @@ object AdvancedTests extends TestSuite {
       //      }
 
       test("issue-371") {
-        val input = """{"head":"a","tail":{"head":"b","tail":null}}"""
+        val input = """{"head":"a","tail":{"head":"b"}}"""
         val expected = Node371("a", Some(Node371("b", None)))
         val result = upickle.default.read[Node371](input)
         assert(result == expected)
+        val written = upickle.default.write(result)
+        assert(written == input)
       }
     }
   }
 
-  case class Node371(head: String, tail: Option[Node371])
+  case class Node371(head: String, tail: Option[Node371] = None)
 
   object Node371 {
     implicit val nodeRW: ReadWriter[Node371] = macroRW[Node371]