Test helper methods for inner anonymous struct

Author: kornilova203

tests/samples/Struct.c

@@ -9,3 +9,11 @@ point_s getPoint() {
 }
 
 int getBigStructSize() { return sizeof(struct bigStruct); }
+
+char getCharFromAnonymousStruct(struct structWithAnonymousStruct *s) {
+    return s->anonymousStruct.c;
+}
+
+char getIntFromAnonymousStruct(struct structWithAnonymousStruct *s) {
+    return s->anonymousStruct.i;
+}

tests/samples/Struct.h

@@ -34,3 +34,15 @@ struct bigStruct {
 };
 
 int getBigStructSize();
+
+struct structWithAnonymousStruct {
+    int a;
+    struct {
+        char c;
+        int i;
+    } anonymousStruct;
+};
+
+char getCharFromAnonymousStruct(struct structWithAnonymousStruct *s);
+
+char getIntFromAnonymousStruct(struct structWithAnonymousStruct *s);

tests/samples/Struct.scala

@@ -9,8 +9,11 @@ object Struct {
   type struct_point = native.CStruct2[native.CInt, native.CInt]
   type point_s = native.Ptr[struct_point]
   type struct_bigStruct = native.CArray[Byte, native.Nat.Digit[native.Nat._1, native.Nat.Digit[native.Nat._1, native.Nat._2]]]
+  type struct_structWithAnonymousStruct = native.CStruct2[native.CInt, native.CArray[Byte, native.Nat._8]]
   def getPoint(): native.Ptr[struct_point] = native.extern
   def getBigStructSize(): native.CInt = native.extern
+  def getCharFromAnonymousStruct(s: native.Ptr[struct_structWithAnonymousStruct]): native.CChar = native.extern
+  def getIntFromAnonymousStruct(s: native.Ptr[struct_structWithAnonymousStruct]): native.CChar = native.extern
 }
 
 import Struct._
@@ -25,4 +28,13 @@ object StructHelpers {
   }
 
   def struct_point()(implicit z: native.Zone): native.Ptr[struct_point] = native.alloc[struct_point]
+
+  implicit class struct_structWithAnonymousStruct_ops(val p: native.Ptr[struct_structWithAnonymousStruct]) extends AnyVal {
+    def a: native.CInt = !p._1
+    def a_=(value: native.CInt):Unit = !p._1 = value
+    def anonymousStruct: native.CArray[Byte, native.Nat._8] = !p._2
+    def anonymousStruct_=(value: native.CArray[Byte, native.Nat._8]):Unit = !p._2 = value
+  }
+
+  def struct_structWithAnonymousStruct()(implicit z: native.Zone): native.Ptr[struct_structWithAnonymousStruct] = native.alloc[struct_structWithAnonymousStruct]
 }

tests/samples/src/test/scala/org/scalanative/bindgen/samples/StructTests.scala

@@ -1,7 +1,7 @@
 package org.scalanative.bindgen.samples
 
 import utest._
-import scala.scalanative.native.sizeof
+import scala.scalanative.native._
 import org.scalanative.bindgen.samples.StructHelpers._
 
 object StructTests extends TestSuite {
@@ -10,10 +10,31 @@ object StructTests extends TestSuite {
       val point = Struct.getPoint()
       assert(point.x == 10)
       assert(point.y == 20)
+
+      point.x_=(11)
+      assert(point.x == 11)
     }
 
     'bigStructSize - {
       assert(Struct.getBigStructSize() == sizeof[Struct.struct_bigStruct])
     }
+
+    'innerAnonymousStruct - {
+      type struct_anonymousStruct = CStruct2[CChar, CInt]
+      Zone { implicit zone =>
+        val anonymousStruct: Ptr[struct_anonymousStruct] = alloc[struct_anonymousStruct]
+        !anonymousStruct._1 = 'a'
+        !anonymousStruct._2 = 42
+
+        val structWithAnonymousStruct = struct_structWithAnonymousStruct()
+        val array: Ptr[CArray[Byte, Nat._8]] = anonymousStruct.cast[Ptr[CArray[Byte, Nat._8]]]
+        !structWithAnonymousStruct._2 = !array // works
+        // structWithAnonymousStruct.anonymousStruct_=(!array) // fixme: fails
+        // val s = structWithAnonymousStruct.anonymousStruct // fixme: fails
+
+        assert('a' == Struct.getCharFromAnonymousStruct(structWithAnonymousStruct))
+        assert(42 == Struct.getIntFromAnonymousStruct(structWithAnonymousStruct))
+      }
+    }
   }
 }