2007-10-16 Mark Probst <mark.probst@gmail.com>
[mono.git] / mono / tests / marshal2.cs
old mode 100755 (executable)
new mode 100644 (file)
index 27058ed..3e98a14
@@ -1,3 +1,7 @@
+//
+// Tests for Marshal.StructureToPtr and PtrToStructure
+//
+
 using System;
 using System.Runtime.InteropServices;
 
@@ -29,15 +33,22 @@ public class Test {
                public SimpleStruct2 emb1;
                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 != 44)
-                       return 1;
+               //if (size != 52)
+               //return 1;
                
                IntPtr p = Marshal.AllocHGlobal (size);
                ss.a = 1;
@@ -55,6 +66,10 @@ public class Test {
                ss.emb2.a = 10;
                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 ();
@@ -62,68 +77,108 @@ public class Test {
                if (Marshal.ReadInt32 (p, (int)Marshal.OffsetOf (t, "a")) != 1)
                        return 1;
                if (Marshal.ReadInt32 (p, (int)Marshal.OffsetOf (t, "bool1")) != 1)
-                       return 1;
+                       return 2;
                if (Marshal.ReadInt32 (p, (int)Marshal.OffsetOf (t, "bool2")) != 0)
-                       return 1;
+                       return 3;
                if (Marshal.ReadInt32 (p, (int)Marshal.OffsetOf (t, "b")) != 2)
-                       return 1;
+                       return 4;
                if (Marshal.ReadInt16 (p, 16) != 6)
-                       return 1;
+                       return 5;
                if (Marshal.ReadInt16 (p, 18) != 5)
-                       return 1;
+                       return 6;
                if (Marshal.ReadByte (p, 20) != 97)
-                       return 1;
+                       return 7;
                if (Marshal.ReadByte (p, 21) != 98)
-                       return 1;
+                       return 8;
                if (Marshal.ReadByte (p, 22) != 99)
-                       return 1;
+                       return 9;
                if (Marshal.ReadByte (p, 23) != 0)
-                       return 1;
+                       return 10;
                if (Marshal.ReadInt32 (p, 24) != 3)
-                       return 1;
+                       return 11;
                if (Marshal.ReadInt32 (p, 28) != 4)
-                       return 1;
-               if (Marshal.ReadInt32 (p, (int)Marshal.OffsetOf (t, "s2")) == 0)
-                       return 1;
+                       return 12;
+               if (Marshal.ReadInt32 (p, 32) != 10)
+                       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 ());
 
                if (cp.a != 1)
-                       return 2;
+                       return 16;
 
                if (cp.bool1 != true)
-                       return 2;
+                       return 17;
 
                if (cp.bool2 != false)
-                       return 2;
+                       return 18;
 
                if (cp.b != 2)
-                       return 2;
+                       return 19;
 
                if (cp.a1 [0] != 6)
-                       return 2;
+                       return 20;
                
                if (cp.a1 [1] != 5)
-                       return 2;
+                       return 21;
 
                if (cp.s1 != "abc")
-                       return 3;
+                       return 22;
                
                if (cp.emb1.a != 3)
-                       return 2;
+                       return 23;
 
                if (cp.emb1.b != 4)
-                       return 2;
+                       return 24;
 
                if (cp.emb2.a != 10)
-                       return 2;
+                       return 25;
 
                if (cp.emb2.b != 11)
-                       return 2;
+                       return 26;
 
                if (cp.s2 != "just a test")
-                       return 2;
-               
+                       return 27;
+
+               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;
        }
 }