1 files changed, 147 insertions, 0 deletions
diff --git a/mono/tests/pinvoke11.cs b/mono/tests/pinvoke11.cs
new file mode 100644
index 00000000000..bff30b58bd7
--- /dev/null
+++ b/mono/tests/pinvoke11.cs
@@ -0,0 +1,147 @@
+using System;
+using System.Runtime.InteropServices;
+
+[StructLayout(LayoutKind.Sequential)]
+public struct ss
+{
+        public int i1;
+}
+
+[StructLayout(LayoutKind.Explicit)]
+public struct su
+{
+        [FieldOffset(0)] public int i1;
+        [FieldOffset(0)] public int i2;
+}
+
+[StructLayout(LayoutKind.Sequential)]
+public struct cs
+{
+	public bool b1;
+	public int i1;
+	public su u1;
+}
+
+/* various small structs for testing struct-by-value where they are handled specially 
+   on some platforms.
+*/
+[StructLayout(LayoutKind.Sequential)]
+public struct sc1
+{
+	public byte c0;
+}
+
+[StructLayout(LayoutKind.Sequential)]
+public struct sc3
+{
+	public byte c0;
+	public byte c1;
+	public byte c2;
+}
+
+[StructLayout(LayoutKind.Sequential)]
+public struct sc5
+{
+	public byte c0;
+	public byte c1;
+	public byte c2;
+	public byte c3;
+	public byte c4;
+}
+
+public class Test
+{
+	[DllImport ("libtest")]
+	public static extern int mono_union_test_1 (cs a);
+
+	[DllImport ("libtest")]
+	public static extern int mono_return_int (int a);
+
+	[DllImport ("libtest", EntryPoint="mono_return_int_ss")]
+	public static extern int mono_return_int_ss (ss a);
+
+	[DllImport ("libtest", EntryPoint="mono_return_ss")]
+	public static extern ss mono_return_ss (ss a);
+
+	[DllImport ("libtest", EntryPoint="mono_return_sc1")]
+	public static extern sc1 mono_return_sc1 (sc1 a);
+
+	[DllImport ("libtest", EntryPoint="mono_return_sc3")]
+	public static extern sc3 mono_return_sc3 (sc3 a);
+
+	[DllImport ("libtest", EntryPoint="mono_return_sc5")]
+	public static extern sc5 mono_return_sc5 (sc5 a);
+
+	[DllImport ("libtest", EntryPoint="mono_return_int_su")]
+	public static extern int mono_return_int_su (su a);
+
+        static int Main()
+        {
+		if (mono_return_int (5) != 5)
+			return 1;
+
+		ss s1;
+		s1.i1 = 4;
+		if (mono_return_int_ss (s1) != 4)
+			return 2;
+
+		s1 = mono_return_ss (s1);
+		if (s1.i1 != 5)
+			return 3;
+		
+		su s2;
+		s2.i1 = 2;
+		s2.i2 = 3;
+		if (mono_return_int_su (s2) != 3)
+			return 4;
+		
+		s2.i1 = 2;
+		if (mono_return_int_su (s2) != 2)
+			return 5;
+
+
+		cs s3;
+		s3.b1 = false;
+		s3.i1 = 12;
+		s3.u1.i1 = 2;
+		s3.u1.i2 = 1;
+		
+		if (mono_union_test_1 (s3) != 13)
+			return 6;
+
+		s3.u1.i1 = 2;
+		if (mono_union_test_1 (s3) != 14)
+			return 7;
+
+		s3.b1 = true;
+		if (mono_union_test_1 (s3) != 15)
+			return 8;
+
+		sc1 s4;
+		s4.c0 = 3;
+		s4 = mono_return_sc1(s4);
+		if (s4.c0 != 4)
+			return 9;
+
+		sc3 s5;
+		s5.c0 = 4;
+		s5.c1 = 5;
+		s5.c2 = 6;
+		s5 = mono_return_sc3(s5);
+		if (s5.c0 != 5 || s5.c1 != 7 || s5.c2 != 9)
+			return 10;
+
+		sc5 s6;
+		s6.c0 = 4;
+		s6.c1 = 5;
+		s6.c2 = 6;
+		s6.c3 = 7;
+		s6.c4 = 8;
+		s6 = mono_return_sc5(s6);
+		if (s6.c0 != 5 || s6.c1 != 7 || s6.c2 != 9 || s6.c3 != 11 || s6.c4 != 13)
+			return 11;
+
+		return 0;
+        }
+}
+