You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: floatmarsh_test.go
    path of file: ./repos/gccrs/libgo/go/math/big
    
    the code of the file until where you have to start completion: // Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package big

import (
	"bytes"
	"encoding/gob"
	"encoding/json"
	"io"
	"testing"
)

var floatVals = []string{
	"0",
	"1",
	"0.1",
	"2.71828",
	"1234567890",
	"3.14e1234",
	"3.14e-1234",
	"0.738957395793475734757349579759957975985497e100",
	"0.73895739579347546656564656573475734957975995797598589749859834759476745986795497e100",
	"inf",
	"Inf",
}

func TestFloatGobEncoding(t *testing.T) {
	var medium bytes.Buffer
	enc := gob.NewEncoder(&medium)
	dec := gob.NewDecoder(&medium)
	fo
    
func TestFloatJSONEncoding(t *testing.T) {
	for _, test := range floatVals {
		for _, sign := range []string{"", "+", "-"} {
			for _, prec := range []uint{0, 1, 2, 10, 53, 64, 100, 1000} {
				if prec > 53 && testing.Short() {
					continue
				}
				x := sign + test
				var tx Float
				_, _, err := tx.SetPrec(prec).Parse(x, 0)
				if err != nil {
					t.Errorf("parsing of %s (prec = %d) failed (invalid test case): %v", x, prec, err)
					continue
				}
				b, err := json.Marshal(&tx)
				if err != nil {
					t.Errorf("marshaling of %v (prec = %d) failed: %v", &tx, prec, err)
					continue
				}
				var rx Float
				rx.SetPrec(prec)
				if err := json.Unmarshal(b, &rx); err != nil {
					t.Errorf("unmarshaling of %v (prec = %d) failed: %v", &tx, prec, err)
					continue
				}
				if rx.Cmp(&tx) != 0 {
					t.Errorf("JSON encoding of %v (prec = %d) failed: got %v want %v", &tx, prec, &rx, &tx)
				}
			}
		}
	}
}