public void NullConstructor ()
{
PermissionRequestEvidence pre = new PermissionRequestEvidence (null, null, null);
Assert.IsNull (pre.RequestedPermissions, "Requested");
Assert.IsNull (pre.OptionalPermissions, "Optional");
Assert.IsNull (pre.DeniedPermissions, "Denied");
string expected = AdjustNewLine ("<System.Security.Policy.PermissionRequestEvidence version=\"1\"/>\r\n");
Assert.AreEqual (expected, pre.ToString (), "ToString");
}