本文整理匯總了Golang中github.com/influxdata/influxdb/tsdb/engine/tsm1.FloatDecoder類的典型用法代碼示例。如果您正苦於以下問題：Golang FloatDecoder類的具體用法？Golang FloatDecoder怎麽用？Golang FloatDecoder使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了FloatDecoder類的6個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: TestFloatDecoder_Empty
func TestFloatDecoder_Empty(t *testing.T) {
var dec tsm1.FloatDecoder
if err := dec.SetBytes([]byte{}); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if dec.Next() {
t.Fatalf("exp next == false, got true")
}
}示例2: BenchmarkFloatDecoder
func BenchmarkFloatDecoder(b *testing.B) {
s := tsm1.NewFloatEncoder()
for _, tt := range TwoHoursData {
s.Push(tt.v)
}
s.Finish()
bytes, err := s.Bytes()
if err != nil {
b.Fatalf("unexpected error: %v", err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
var it tsm1.FloatDecoder
if err := it.SetBytes(bytes); err != nil {
b.Fatalf("unexpected error creating float decoder: %v", err)
}
for j := 0; j < len(TwoHoursData); it.Next() {
j++
}
}
}示例3: Test_FloatEncoder_Quick
func Test_FloatEncoder_Quick(t *testing.T) {
quick.Check(func(values []float64) bool {
expected := values
if values == nil {
expected = []float64{}
}
// Write values to encoder.
enc := tsm1.NewFloatEncoder()
for _, v := range values {
enc.Push(v)
}
enc.Finish()
// Read values out of decoder.
got := make([]float64, 0, len(values))
b, err := enc.Bytes()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var dec tsm1.FloatDecoder
if err := dec.SetBytes(b); err != nil {
t.Fatal(err)
}
for dec.Next() {
got = append(got, dec.Values())
}
// Verify that input and output values match.
if !reflect.DeepEqual(expected, got) {
t.Fatalf("mismatch:\n\nexp=%#v\n\ngot=%#v\n\n", expected, got)
}
return true
}, nil)
}示例4: TestFloatEncoder_SimilarFloats
func TestFloatEncoder_SimilarFloats(t *testing.T) {
s := tsm1.NewFloatEncoder()
want := []float64{
6.00065e+06,
6.000656e+06,
6.000657e+06,
6.000659e+06,
6.000661e+06,
}
for _, v := range want {
s.Push(v)
}
s.Finish()
b, err := s.Bytes()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var it tsm1.FloatDecoder
if err := it.SetBytes(b); err != nil {
t.Fatalf("unexpected error creating float decoder: %v", err)
}
for _, w := range want {
if !it.Next() {
t.Fatalf("Next()=false, want true")
}
vv := it.Values()
if w != vv {
t.Errorf("Values()=(%v), want (%v)\n", vv, w)
}
}
if it.Next() {
t.Fatalf("Next()=true, want false")
}
if err := it.Error(); err != nil {
t.Errorf("it.Error()=%v, want nil", err)
}
}示例5: TestFloatEncoder_Roundtrip
func TestFloatEncoder_Roundtrip(t *testing.T) {
s := tsm1.NewFloatEncoder()
for _, p := range TwoHoursData {
s.Push(p.v)
}
s.Finish()
b, err := s.Bytes()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var it tsm1.FloatDecoder
if err := it.SetBytes(b); err != nil {
t.Fatalf("unexpected error creating float decoder: %v", err)
}
for _, w := range TwoHoursData {
if !it.Next() {
t.Fatalf("Next()=false, want true")
}
vv := it.Values()
// t.Logf("it.Values()=(%+v, %+v)\n", time.Unix(int64(tt), 0), vv)
if w.v != vv {
t.Errorf("Values()=(%v), want (%v)\n", vv, w.v)
}
}
if it.Next() {
t.Fatalf("Next()=true, want false")
}
if err := it.Error(); err != nil {
t.Errorf("it.Error()=%v, want nil", err)
}
}示例6: TestFloatEncoder_Simple
func TestFloatEncoder_Simple(t *testing.T) {
// Example from the paper
s := tsm1.NewFloatEncoder()
s.Push(12)
s.Push(12)
s.Push(24)
// extra tests
// floating point masking/shifting bug
s.Push(13)
s.Push(24)
// delta-of-delta sizes
s.Push(24)
s.Push(24)
s.Push(24)
s.Finish()
b, err := s.Bytes()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
var it tsm1.FloatDecoder
if err := it.SetBytes(b); err != nil {
t.Fatalf("unexpected error creating float decoder: %v", err)
}
want := []float64{
12,
12,
24,
13,
24,
24,
24,
24,
}
for _, w := range want {
if !it.Next() {
t.Fatalf("Next()=false, want true")
}
vv := it.Values()
if w != vv {
t.Errorf("Values()=(%v), want (%v)\n", vv, w)
}
}
if it.Next() {
t.Fatalf("Next()=true, want false")
}
if err := it.Error(); err != nil {
t.Errorf("it.Error()=%v, want nil", err)
}
}