* roottypes.cs: Rename from tree.cs.

[mono.git] / mono / tests / marshal2.cs

diff --git a/mono/tests/marshal2.cs b/mono/tests/marshal2.cs
index 7c0c1dc6c41ed415a6e689ebb8ef9dd7ab7b3439..3e98a14a48780513be5c497917a81fd9add804d9 100644 (file)
--- a/mono/tests/marshal2.cs
+++ b/mono/tests/marshal2.cs
@@ -1,3 +1,7 @@
+//
+// Tests for Marshal.StructureToPtr and PtrToStructure
+//
+
 using System;
 using System.Runtime.InteropServices;
 
@@ -30,13 +34,19 @@ public class Test {
                public SimpleObj emb2;
                public string s2;
                public double x;
+               [MarshalAs (UnmanagedType.ByValArray, SizeConst=2)] public char[] a2;
+       }
+
+       [StructLayout (LayoutKind.Sequential, CharSet=CharSet.Unicode)]
+       public struct ByValWStrStruct {
+               [MarshalAs (UnmanagedType.ByValTStr, SizeConst=4)] public string s1;
+               public int i;
        }
        
        public unsafe static int Main () {
                SimpleStruct ss = new SimpleStruct ();
                int size = Marshal.SizeOf (typeof (SimpleStruct));
                
-               Console.WriteLine ("SimpleStruct:" + size);
                //if (size != 52)
                //return 1;
                
@@ -57,6 +67,9 @@ public class Test {
                ss.emb2.b = 11;
                ss.s2 = "just a test";
                ss.x = 1.5;
+               ss.a2 = new char [2];
+               ss.a2 [0] = 'a';
+               ss.a2 [1] = 'b';
                
                Marshal.StructureToPtr (ss, p, false);
                Type t = ss.GetType ();
@@ -89,6 +102,10 @@ public class Test {
                        return 13;
                if (Marshal.ReadInt32 (p, 36) != 11)
                        return 14;
+               if (Marshal.ReadByte (p, (int)Marshal.OffsetOf (t, "a2")) != 97)
+                       return 15;
+               if (Marshal.ReadByte (p, (int)Marshal.OffsetOf (t, "a2") + 1) != 98)
+                       return 16;
 
                SimpleStruct cp = (SimpleStruct)Marshal.PtrToStructure (p, ss.GetType ());
 
@@ -130,7 +147,38 @@ public class Test {
 
                if (cp.x != 1.5)
                        return 28;
-               
+
+               if (cp.a2 [0] != 'a')
+                       return 29;
+
+               if (cp.a2 [1] != 'b')
+                       return 30;
+
+               /* ByValTStr with Unicode */
+               ByValWStrStruct s = new ByValWStrStruct ();
+
+               IntPtr p2 = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (ByValWStrStruct)));
+               Marshal.StructureToPtr(s, p2, false);
+
+               /* Check that the ByValWStr is initialized correctly */
+               for (int i = 0; i < 8; ++i)
+                       if (Marshal.ReadByte (p2, i) != 0)
+                               return 31;
+
+               s.s1 = "ABCD";
+               s.i = 55;
+
+               Marshal.StructureToPtr(s, p2, false);
+
+               ByValWStrStruct s2 = (ByValWStrStruct)Marshal.PtrToStructure (p2, typeof (ByValWStrStruct));
+
+               /* The fourth char is lost because of null-termination */
+               if (s2.s1 != "ABC")
+                       return 32;
+
+               if (s2.i != 55)
+                       return 33;
+
                return 0;
        }
 }