New test.

svn path=/trunk/mcs/; revision=100258

1 files changed, 206 insertions, 0 deletions

diff --git a/mcs/tests/test-631.cs b/mcs/tests/test-631.cs
new file mode 100644
index 00000000000..1069135514f
--- /dev/null
+++ b/mcs/tests/test-631.cs
@@ -0,0 +1,206 @@
+using System;
+
+enum E : uint
+{
+	Value = 24
+}
+
+class A
+{
+	public static implicit operator sbyte (A mask)
+	{
+		return 1;
+	}
+
+	public static implicit operator byte (A mask)
+	{
+		return 2;
+	}
+
+	public static implicit operator short (A mask)
+	{
+		return 3;
+	}
+
+	public static implicit operator ushort (A mask)
+	{
+		return 4;
+	}
+
+	public static implicit operator int (A mask)
+	{
+		return 5;
+	}
+
+	public static implicit operator uint (A mask)
+	{
+		return 6;
+	}
+
+	public static implicit operator long (A mask)
+	{
+		return 7;
+	}
+
+	public static implicit operator ulong (A mask)
+	{
+		return 8;
+	}
+}
+
+class A2
+{
+	public static implicit operator sbyte (A2 mask)
+	{
+		return 1;
+	}
+
+	public static implicit operator byte (A2 mask)
+	{
+		return 2;
+	}
+
+	public static implicit operator short (A2 mask)
+	{
+		return 3;
+	}
+
+	public static implicit operator uint (A2 mask)
+	{
+		return 6;
+	}
+
+	public static implicit operator long (A2 mask)
+	{
+		return 7;
+	}
+
+	public static implicit operator ulong (A2 mask)
+	{
+		return 8;
+	}
+}
+
+class A3
+{
+	public static implicit operator sbyte (A3 mask)
+	{
+		return 1;
+	}
+
+	public static implicit operator uint (A3 mask)
+	{
+		return 6;
+	}
+
+	public static implicit operator long (A3 mask)
+	{
+		return 7;
+	}
+
+	public static implicit operator ulong (A3 mask)
+	{
+		return 8;
+	}
+}
+
+class A4
+{
+	public static implicit operator uint (A4 mask)
+	{
+		return 6;
+	}
+
+	public static implicit operator long (A4 mask)
+	{
+		return 7;
+	}
+
+	public static implicit operator ulong (A4 mask)
+	{
+		return 8;
+	}
+}
+
+class A5
+{
+	public static implicit operator uint (A5 mask)
+	{
+		return 6;
+	}
+
+	public static implicit operator int (A5 mask)
+	{
+		return 8;
+	}
+}
+
+class A6
+{
+	public static implicit operator byte (A6 mask)
+	{
+		return 2;
+	}
+}
+
+class MyDecimal
+{
+	public static implicit operator decimal (MyDecimal d)
+	{
+		return 42;
+	}
+}
+
+public class Constraint
+{
+	public static int Main ()
+	{
+		A a = null;
+		A2 a2 = null;
+		A3 a3 = null;
+		A4 a4 = null;
+		A5 a5 = null;
+		A6 a6 = null;
+
+		if (-a != -5)
+			return 1;
+		if (-a2 != -3)
+			return 2;
+		if (-a3 != -1)
+			return 3;
+		if (-a4 != -7)
+			return 4;
+		if (-a5 != -8)
+			return 5;
+		if (-a6 != -2)
+			return 6;
+
+		if (~a != -6)
+			return 10;
+		if (~a2 != -4)
+			return 11;
+		if (~a3 != -2)
+			return 12;
+		if (~a4 != 4294967289)
+			return 13;
+		if (~a5 != -9)
+			return 14;
+		if (~a6 != -3)
+			return 15;
+
+		MyDecimal d = new MyDecimal ();
+		if (-d != -42)
+			return 20;
+
+		E e = E.Value;
+		if (~e != (E)4294967271)
+			return 21;
+			
+		uint dp = 0;
+		dp = +dp;			
+
+		Console.WriteLine ("OK");
+		return 0;
+	}
+
+}