errs = appendErrors(errs, check(len(src.NotPrincipals) != 0, "From.NotPrincipals"))
						errs = appendErrors(errs, check(len(src.RequestPrincipals) != 0, "From.RequestPrincipals"))
						errs = appendErrors(errs, check(len(src.NotRequestPrincipals) != 0, "From.NotRequestPrincipals"))
					}
				}
				for _, when := range rule.GetWhen() {
					if when == nil {

						},
					},
				},
			},
			valid: false,
		},
		{
			name: "RequestPrincipals-empty",
			in: &security_beta.AuthorizationPolicy{
				Rules: []*security_beta.Rule{
					{
						From: []*security_beta.Rule_From{
							{
								Source: &security_beta.Source{
									RequestPrincipals: []string{"p1", ""},
								},
							},
						},
					},
				},
			},