Test reuse of union bindings

tests/samples/CustomNames.scala

@@ -14,5 +14,6 @@ object CustomNames {
   type EnumWithTypedef = enum_enumWithTypedef
   type page = native.CStruct2[native.CString, native.Ptr[Byte]]
   type book = native.CStruct1[native.Ptr[page]]
+  type weight = native.CArray[Byte, native.Nat._4]
   type MY_INT = native.CInt
 }

tests/samples/ReuseBindings.h

@@ -11,9 +11,11 @@ typedef struct bigStruct aliasForBigStruct;
 
 struct usesImportedEnum {
     enum pointIndex index;
+    union weight weight;
 };
 
 void readBook(struct book *book);
+void getWeight(union weight *weight);
 
 myInt getMyInt();
 enumWithTypedef getEnum();

tests/samples/ReuseBindings.json

@@ -5,6 +5,7 @@
     "names": {
       "struct book": "book",
       "struct page": "page",
+      "union weight": "weight",
       "myInt": "MY_INT",
       "enumWithTypedef": "EnumWithTypedef"
     }

tests/samples/ReuseBindings.scala

@@ -7,27 +7,31 @@ import scala.scalanative.native._
 @native.extern
 object ReuseBindings {
   type aliasForBigStruct = org.scalanative.bindgen.samples.Struct.struct_bigStruct
-  type struct_usesImportedEnum = native.CStruct1[org.scalanative.bindgen.samples.Struct.enum_pointIndex]
+  type struct_usesImportedEnum = native.CStruct2[org.scalanative.bindgen.samples.Struct.enum_pointIndex, org.scalanative.bindgen.samples.CustomNames.weight]
   def useStruct(p0: native.Ptr[org.scalanative.bindgen.samples.Struct.struct_point]): Unit = native.extern
   def returnTypedef_point_s(): native.Ptr[org.scalanative.bindgen.samples.Struct.struct_point] = native.extern
   def returnTypedef_point(): native.Ptr[org.scalanative.bindgen.samples.Struct.point] = native.extern
   def readBook(book: native.Ptr[org.scalanative.bindgen.samples.CustomNames.book]): Unit = native.extern
+  def getWeight(weight: native.Ptr[org.scalanative.bindgen.samples.CustomNames.weight]): Unit = native.extern
   def getMyInt(): org.scalanative.bindgen.samples.CustomNames.MY_INT = native.extern
   def getEnum(): org.scalanative.bindgen.samples.CustomNames.EnumWithTypedef = native.extern
 
   object implicits {
     implicit class struct_usesImportedEnum_ops(val p: native.Ptr[struct_usesImportedEnum]) extends AnyVal {
       def index: org.scalanative.bindgen.samples.Struct.enum_pointIndex = !p._1
       def index_=(value: org.scalanative.bindgen.samples.Struct.enum_pointIndex): Unit = !p._1 = value
+      def weight: native.Ptr[org.scalanative.bindgen.samples.CustomNames.weight] = p._2
+      def weight_=(value: native.Ptr[org.scalanative.bindgen.samples.CustomNames.weight]): Unit = !p._2 = !value
     }
   }
 
   object struct_usesImportedEnum {
     import implicits._
     def apply()(implicit z: native.Zone): native.Ptr[struct_usesImportedEnum] = native.alloc[struct_usesImportedEnum]
-    def apply(index: org.scalanative.bindgen.samples.Struct.enum_pointIndex)(implicit z: native.Zone): native.Ptr[struct_usesImportedEnum] = {
+    def apply(index: org.scalanative.bindgen.samples.Struct.enum_pointIndex, weight: native.Ptr[org.scalanative.bindgen.samples.CustomNames.weight])(implicit z: native.Zone): native.Ptr[struct_usesImportedEnum] = {
       val ptr = native.alloc[struct_usesImportedEnum]
       ptr.index = index
+      ptr.weight = weight
       ptr
     }
   }

tests/samples/include/CustomNames.h

@@ -7,5 +7,10 @@ struct book {
     struct page *firstPage;
 };
 
+union weight {
+    int kilos;
+    float grams;
+};
+
 typedef int myInt;
 typedef enum { CONST } enumWithTypedef;