public void Intersect () { p = new FileIOPermission(FileIOPermissionAccess.Read, pathArrayGood); p.AllFiles = FileIOPermissionAccess.Append; p.AllLocalFiles = FileIOPermissionAccess.Write; unrestricted = new FileIOPermission(PermissionState.Unrestricted); FileIOPermission intersection = (FileIOPermission)p.Intersect(unrestricted); pathsInPermission = intersection.GetPathList(FileIOPermissionAccess.Read); Assert.IsTrue (pathsInPermission.Length == 2, "Should contain correct number of Read paths. Expected 2 but got: "+pathsInPermission.Length); Assert.IsTrue((intersection.AllFiles & FileIOPermissionAccess.Append) != 0, "Should have Append bit in AllFiles."); Assert.IsTrue((intersection.AllLocalFiles & FileIOPermissionAccess.Write) != 0, "Should have Write bit in AllLocalFiles."); intersection = (FileIOPermission)unrestricted.Intersect(p); pathsInPermission = intersection.GetPathList(FileIOPermissionAccess.Read); Assert.IsTrue (pathsInPermission.Length == 2, "Should contain correct number of Read paths. Expected 2 but got: "+pathsInPermission.Length); Assert.IsTrue((intersection.AllFiles & FileIOPermissionAccess.Append) != 0, "Should have Append bit in AllFiles."); Assert.IsTrue((intersection.AllLocalFiles & FileIOPermissionAccess.Write) != 0, "Should have Write bit in AllLocalFiles."); p2 = new FileIOPermission(FileIOPermissionAccess.Append | FileIOPermissionAccess.Read, pathArrayGood2); p2.AllFiles = FileIOPermissionAccess.Append | FileIOPermissionAccess.Write; p2.AllLocalFiles = FileIOPermissionAccess.Write | FileIOPermissionAccess.Read; intersection = (FileIOPermission)p.Intersect(p2); pathsInPermission = intersection.GetPathList(FileIOPermissionAccess.Read); Assert.IsNotNull (pathsInPermission, "Should have some paths"); Assert.AreEqual (2, pathsInPermission.Length, "Should contain correct number of Read paths"); Assert.AreEqual ( FileIOPermissionAccess.Append, intersection.AllFiles, "Should have only Append bit in AllFiles."); Assert.AreEqual ( FileIOPermissionAccess.Write, intersection.AllLocalFiles, "Should have only Write bit in AllLocalFiles."); intersection = (FileIOPermission)p2.Intersect(p); pathsInPermission = intersection.GetPathList(FileIOPermissionAccess.Read); Assert.IsTrue (pathsInPermission.Length == 2, "Should contain correct number of Read paths. Expected 2 but got: "+pathsInPermission.Length); Assert.IsTrue(intersection.AllFiles == FileIOPermissionAccess.Append, "Should have only Append bit in AllFiles."); Assert.IsTrue(intersection.AllLocalFiles == FileIOPermissionAccess.Write, "Should have only Write bit in AllLocalFiles."); }