for _, mf := range mfs {
			if err := enc.Encode(mf); err != nil {
				// client may disconnect for any reasons
				// we do not have to log this.
				return
			}
		}
		if closer, ok := enc.(expfmt.Closer); ok {
			closer.Close()
		}
	})
}

func metricsBucketHandler() http.Handler {
	return metricsHTTPHandler(bucketCollector, "handler.MetricsBucket")
}

			t.Fatalf("for DisableKeepAlives = %v, map size = %d; want 0", disableKeep, got)
		}
	}
}

// Verify the status quo: that the Client.Post function coerces its
// body into a ReadCloser if it's a Closer, and that the Transport
// then closes it.
func TestTransportClosesRequestBody(t *testing.T) {
	run(t, testTransportClosesRequestBody, []testMode{http1Mode})
}

			if err != nil {
				t.Errorf("On test %#v, error writing request headers: %v", test, err)
				return
			}
			if writeBody {
				var targ io.WriteCloser = struct {
					io.Writer
					io.Closer
				}{
					conn,
					io.NopCloser(nil),
				}
				if test.chunked {
					targ = httputil.NewChunkedWriter(conn)
				}
				body := strings.Repeat("A", test.contentLength)