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util_test.go
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util_test.go
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package gson
import "testing"
import "encoding/json"
import "sort"
import "reflect"
import "fmt"
func TestBytes2Str(t *testing.T) {
if bytes2str(nil) != "" {
t.Errorf("fail bytes2str(nil)")
}
}
func TestStr2Bytes(t *testing.T) {
if str2bytes("") != nil {
t.Errorf(`fail str2bytes("")`)
}
}
func TestCborMap2Golang(t *testing.T) {
ref := `{"a":10,"b":[true,false,null]}`
config := NewDefaultConfig()
jsn := config.NewJson([]byte(ref))
cbr := config.NewCbor(make([]byte, 0, 1024))
_, val1 := jsn.Tovalue()
value := config.NewValue(GolangMap2cborMap(val1))
value.Tocbor(cbr)
val2 := cbr.Tovalue()
data, err := json.Marshal(CborMap2golangMap(val2))
if err != nil {
t.Fatalf("json parsing: %v\n %v", val2, err)
}
if s := string(data); s != ref {
t.Errorf("expected %q, got %q", ref, s)
}
}
func TestKvrefs(t *testing.T) {
items := make(kvrefs, 4)
items[0] = kvref{"1", []byte("1")}
items[2] = kvref{"3", []byte("3")}
items[1] = kvref{"2", []byte("2")}
items[3] = kvref{"0", []byte("0")}
sort.Sort(items)
ref := kvrefs{
kvref{"0", []byte("0")},
kvref{"1", []byte("1")},
kvref{"2", []byte("2")},
kvref{"3", []byte("3")},
}
if !reflect.DeepEqual(ref, items) {
t.Errorf("expected %v, got %v", ref, items)
}
}
func TestCollated2Number(t *testing.T) {
tcases := [][]interface{}{
{
float64(0),
"0",
float64(0), float64(0),
},
{
uint64(0),
"0",
float64(0), float64(0),
},
{
int64(0),
"0",
float64(0), float64(0),
},
{
float64(10.1231131311),
">>2101231131311-",
float64(10.1231131311), float64(10.1231131311),
},
{
float64(-10.1231131311),
"--7898768868688>",
float64(-10.1231131311), float64(-10.1231131311),
},
{
float64(9007199254740992),
">>>2169007199254740992-",
float64(9.007199254740992e+15), uint64(9007199254740992),
},
{
float64(-9007199254740992),
"---7830992800745259007>",
float64(-9.007199254740992e+15), int64(-9.007199254740992e+15),
},
{
int64(9223372036854775807),
">>>2199223372036854775807-",
float64(9.223372036854776e+18), uint64(9223372036854775807),
},
{
int64(-9223372036854775808),
"---7800776627963145224191>",
float64(-9.223372036854776e+18), int64(-9223372036854775808),
},
{
uint64(9223372036854775808),
">>>2199223372036854775808-",
float64(9.223372036854776e+18), uint64(9223372036854775808),
},
{
uint64(18446744073709551615),
">>>22018446744073709551615-",
float64(1.8446744073709552e+19), uint64(18446744073709551615),
},
}
var code [64]byte
var n int
config := NewDefaultConfig()
for _, tcase := range tcases {
t.Logf("%T %v", tcase[0], tcase[0])
switch val := tcase[0].(type) {
case float64:
n = collateFloat64(val, code[:])
case uint64:
n = collateUint64(val, code[:], config)
case int64:
n = collateInt64(val, code[:], config)
}
if ref := tcase[1].(string); ref != string(code[:n]) {
t.Errorf("expected %v, got %v", ref, string(code[:n]))
}
ui, i, f, what := collated2Number(code[:n], FloatNumber)
switch what {
case 1:
if x := uint64(tcase[2].(float64)); ui != x {
t.Errorf("expected uint64 %v, got %v", x, ui)
}
case 2:
if x := int64(tcase[2].(float64)); i != x {
t.Errorf("expected int64 %v, got %v", x, i)
}
case 3:
if x := tcase[2].(float64); f != x {
t.Errorf("expected float64 %v, got %v", x, f)
}
default:
panic("what is unknown")
}
ui, i, f, what = collated2Number(code[:n], SmartNumber)
switch what {
case 1:
if x := tcase[3].(uint64); ui != x {
t.Errorf("expected uint64 %v, got %v", x, ui)
}
case 2:
if x := tcase[3].(int64); i != x {
t.Errorf("expected int64 %v, got %v", x, i)
}
case 3:
if x := tcase[3].(float64); f != x {
t.Errorf("expected float64 %v, got %v", x, f)
}
default:
panic("what is unknown")
}
}
}
func BenchmarkBytes2Str(b *testing.B) {
bs := []byte("hello world")
for i := 0; i < b.N; i++ {
bytes2str(bs)
}
}
func BenchmarkStr2Bytes(b *testing.B) {
s := "hello world"
for i := 0; i < b.N; i++ {
str2bytes(s)
}
}
func compareJSONs(t *testing.T, json1, json2 string) error {
var m1, m2 interface{}
err := json.Unmarshal(str2bytes(json1), &m1)
if err != nil {
return fmt.Errorf("parsing %v: %v", json1, err)
}
err = json.Unmarshal(str2bytes(json2), &m2)
if err != nil {
return fmt.Errorf("parsing %v: %v", json2, err)
}
if !reflect.DeepEqual(m1, m2) {
return fmt.Errorf("expected %v, got %v", m1, m2)
}
return nil
}