public async stt::Task GetIamPolicyAsync()
        {
            moq::Mock <ServiceAttachments.ServiceAttachmentsClient> mockGrpcClient = new moq::Mock <ServiceAttachments.ServiceAttachmentsClient>(moq::MockBehavior.Strict);

            mockGrpcClient.Setup(x => x.CreateOperationsClientForRegionOperations()).Returns(new moq::Mock <lro::Operations.OperationsClient>().Object);
            GetIamPolicyServiceAttachmentRequest request = new GetIamPolicyServiceAttachmentRequest
            {
                Region   = "regionedb20d96",
                Resource = "resource164eab96",
                Project  = "projectaa6ff846",
            };
            Policy expectedResponse = new Policy
            {
                Etag         = "etage8ad7218",
                Rules        = { new Rule(), },
                AuditConfigs = { new AuditConfig(), },
                Version      = 271578922,
                Bindings     = { new Binding(), },
                IamOwned     = false,
            };

            mockGrpcClient.Setup(x => x.GetIamPolicyAsync(request, moq::It.IsAny <grpccore::CallOptions>())).Returns(new grpccore::AsyncUnaryCall <Policy>(stt::Task.FromResult(expectedResponse), null, null, null, null));
            ServiceAttachmentsClient client = new ServiceAttachmentsClientImpl(mockGrpcClient.Object, null);
            Policy responseCallSettings     = await client.GetIamPolicyAsync(request.Project, request.Region, request.Resource, gaxgrpc::CallSettings.FromCancellationToken(st::CancellationToken.None));

            xunit::Assert.Same(expectedResponse, responseCallSettings);
            Policy responseCancellationToken = await client.GetIamPolicyAsync(request.Project, request.Region, request.Resource, st::CancellationToken.None);

            xunit::Assert.Same(expectedResponse, responseCancellationToken);
            mockGrpcClient.VerifyAll();
        }
        public void GetIamPolicy()
        {
            moq::Mock <ServiceAttachments.ServiceAttachmentsClient> mockGrpcClient = new moq::Mock <ServiceAttachments.ServiceAttachmentsClient>(moq::MockBehavior.Strict);

            mockGrpcClient.Setup(x => x.CreateOperationsClientForRegionOperations()).Returns(new moq::Mock <lro::Operations.OperationsClient>().Object);
            GetIamPolicyServiceAttachmentRequest request = new GetIamPolicyServiceAttachmentRequest
            {
                Region   = "regionedb20d96",
                Resource = "resource164eab96",
                Project  = "projectaa6ff846",
            };
            Policy expectedResponse = new Policy
            {
                Etag         = "etage8ad7218",
                Rules        = { new Rule(), },
                AuditConfigs = { new AuditConfig(), },
                Version      = 271578922,
                Bindings     = { new Binding(), },
                IamOwned     = false,
            };

            mockGrpcClient.Setup(x => x.GetIamPolicy(request, moq::It.IsAny <grpccore::CallOptions>())).Returns(expectedResponse);
            ServiceAttachmentsClient client = new ServiceAttachmentsClientImpl(mockGrpcClient.Object, null);
            Policy response = client.GetIamPolicy(request.Project, request.Region, request.Resource);

            xunit::Assert.Same(expectedResponse, response);
            mockGrpcClient.VerifyAll();
        }