Improving auto-implemented properties

IDEHelper/Tests/src/Properties.bf

@@ -0,0 +1,76 @@
+#pragma warning disable 168
+
+using System;
+
+namespace Tests
+{
+	class Properties
+	{
+		struct StructA
+		{
+			public int mA = 111;
+
+			public this()
+			{
+			}
+
+			public this(int a)
+			{
+				mA = a;
+			}
+		}
+
+		struct StructB
+		{
+			public StructA B { get; set; }
+
+			int mZ = 9;
+
+			public this()
+			{
+				B = .();
+			}
+		}
+
+		struct StructC
+		{
+			public StructA B { get; }
+
+			int mZ = 9;
+
+			public this()
+			{
+				B = .();
+			}
+		}
+
+		class ClassB
+		{
+			public StructA B { get; set; }
+
+			int mZ = 9;
+
+			public this()
+			{
+			}
+		}
+
+		[Test]
+		public static void TestBasics()
+		{
+			StructB sb = .();
+			StructA sa = sb.B;
+			Test.Assert(sa.mA == 111);
+			sb.B = .(222);
+			sa = sb.B;
+			Test.Assert(sa.mA == 222);
+
+			ClassB cb = scope .();
+			sa = cb.B;
+			Test.Assert(sa.mA == 0);
+			cb.B = .(333);
+			sa = cb.B;
+			Test.Assert(sa.mA == 333);
+		}
+	}
+}