| public IsSubsetOf ( IPermission target ) : bool | ||
| target | IPermission | |
| return | bool | |
static void Main(string[] args)
{
CodeAccessPermission permissionA = new FileIOPermission(FileIOPermissionAccess.AllAccess, @"c:\");
CodeAccessPermission permissionB = new FileIOPermission(FileIOPermissionAccess.Read, @"c:\temp");
if (permissionB.IsSubsetOf(permissionA))
{
System.Console.WriteLine("PermissionB is a subset of PermissionA");
}
else
{
Console.WriteLine("PermissionB is NOT a subset of PermissionA");
}
}
public void IsSubsetOf ()
{
unrestricted = new FileIOPermission(PermissionState.Unrestricted);
Assert.IsTrue(unrestricted.IsSubsetOf(unrestricted), "IsSubsetOf reflective test failed");
p = new FileIOPermission(FileIOPermissionAccess.Read, pathArrayGood);
p.AllFiles = FileIOPermissionAccess.Append;
p.AllLocalFiles = FileIOPermissionAccess.Write;
Assert.IsTrue(p.IsSubsetOf(p), "#1 IsSubsetOf reflective test failed");
Assert.IsTrue(!unrestricted.IsSubsetOf(p), "#1 IsSubsetOf false test failed");
Assert.IsTrue(p.IsSubsetOf(unrestricted), "#1 IsSubsetOf true test failed");
p2 = new FileIOPermission(FileIOPermissionAccess.Append | FileIOPermissionAccess.Read, pathArrayGood2);
p2.AllFiles = FileIOPermissionAccess.Append | FileIOPermissionAccess.Write;
p2.AllLocalFiles = FileIOPermissionAccess.Write | FileIOPermissionAccess.Read;
Assert.IsTrue(p2.IsSubsetOf(p2), "#2 IsSubsetOf reflective test failed");
Assert.IsTrue(p.IsSubsetOf(p2), "#2 IsSubsetOf true test failed");
Assert.IsTrue(!p2.IsSubsetOf(p), "#2 IsSubsetOf false test failed");
}