add test case for #59

capnproto · Dec 14, 2017 · 5b0afb5 · 5b0afb5
1 parent 906bab7
commit 5b0afb5
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diff --git a/compiler/src/test/scala/org/capnproto/EncodingSuite.scala b/compiler/src/test/scala/org/capnproto/EncodingSuite.scala
@@ -98,6 +98,29 @@ class EncodingSuite extends FunSuite {
     root.getInt16Field() should equal (32767)
   }
 
+  test("UpgradeStruct") {
+    val builder = new MessageBuilder()
+    val root = builder.initRoot(TestAnyPointer.factory)
+
+    {
+      val oldVersion = root.getAnyPointerField().initAs(TestOldVersion.factory)
+      oldVersion.setOld1(123)
+      oldVersion.setOld2("foo")
+      val sub = oldVersion.initOld3()
+      sub.setOld1(456)
+      sub.setOld2("bar")
+    }
+
+    {
+      val newVersion = root.getAnyPointerField().asReader().getAs(TestNewVersion.factory)
+      newVersion.getOld1() should equal (123)
+      newVersion.getOld2().toString() should equal ("foo")
+      newVersion.getNew2().toString() should equal ("baz")
+      newVersion.hasNew2() should equal (false)
+      newVersion.hasNew3() should equal (false)
+    }
+  }
+
   test("UpgradeStructInBuilder") {
     val builder = new MessageBuilder()
     val root = builder.initRoot(TestAnyPointer.factory)

diff --git a/compiler/src/test/schema/test.capnp b/compiler/src/test/schema/test.capnp
@@ -322,6 +322,7 @@ struct TestNewVersion {
   old3 @2 :TestNewVersion;
   new1 @3 :Int64 = 987;
   new2 @4 :Text = "baz";
+  new3 @5 :Data;
 }
 
 struct TestGenerics(Foo, Bar) {